[go: up one dir, main page]

AU2002239251A1 - Method and apparatus for implementing a parallel correlator and applications thereof - Google Patents

Method and apparatus for implementing a parallel correlator and applications thereof

Info

Publication number
AU2002239251A1
AU2002239251A1 AU2002239251A AU3925102A AU2002239251A1 AU 2002239251 A1 AU2002239251 A1 AU 2002239251A1 AU 2002239251 A AU2002239251 A AU 2002239251A AU 3925102 A AU3925102 A AU 3925102A AU 2002239251 A1 AU2002239251 A1 AU 2002239251A1
Authority
AU
Australia
Prior art keywords
implementing
applications
parallel correlator
correlator
parallel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2002239251A
Inventor
Michael J. Bultman
Gregory S. Rawlins
Michael W. Rawlins
David F. Sorrells
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ParkerVision Inc
Original Assignee
ParkerVision Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ParkerVision Inc filed Critical ParkerVision Inc
Publication of AU2002239251A1 publication Critical patent/AU2002239251A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10Complex mathematical operations
    • G06F17/15Correlation function computation including computation of convolution operations
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10Complex mathematical operations
    • G06F17/14Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/141Discrete Fourier transforms
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10Complex mathematical operations
    • G06F17/14Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/147Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computational Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Computing Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Mobile Radio Communication Systems (AREA)
AU2002239251A 2000-11-14 2001-11-14 Method and apparatus for implementing a parallel correlator and applications thereof Abandoned AU2002239251A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US24800100P 2000-11-14 2000-11-14
US60/248,001 2000-11-14
PCT/US2001/043077 WO2002041494A2 (en) 2000-11-14 2001-11-14 Method and apparatus for implementing a parallel correlator and applications thereof

Publications (1)

Publication Number Publication Date
AU2002239251A1 true AU2002239251A1 (en) 2002-05-27

Family

ID=22937232

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002239251A Abandoned AU2002239251A1 (en) 2000-11-14 2001-11-14 Method and apparatus for implementing a parallel correlator and applications thereof

Country Status (3)

Country Link
US (3) US7010559B2 (en)
AU (1) AU2002239251A1 (en)
WO (1) WO2002041494A2 (en)

Families Citing this family (87)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7515896B1 (en) 1998-10-21 2009-04-07 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US6542722B1 (en) 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US7027786B1 (en) 1998-10-21 2006-04-11 Parkervision, Inc. Carrier and clock recovery using universal frequency translation
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US6813485B2 (en) * 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
US6853690B1 (en) 1999-04-16 2005-02-08 Parkervision, Inc. Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments
US6879817B1 (en) * 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US6873836B1 (en) 1999-03-03 2005-03-29 Parkervision, Inc. Universal platform module and methods and apparatuses relating thereto enabled by universal frequency translation technology
US7110435B1 (en) 1999-03-15 2006-09-19 Parkervision, Inc. Spread spectrum applications of universal frequency translation
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US7110444B1 (en) 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
US7082171B1 (en) 1999-11-24 2006-07-25 Parkervision, Inc. Phase shifting applications of universal frequency translation
US7010286B2 (en) 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
US6661834B1 (en) 2000-04-17 2003-12-09 Rf Micro Devices, Inc. Carrier recovery for spread spectrum communications
US6674818B1 (en) 2000-04-17 2004-01-06 Rf Micro Devices, Inc. Reduced complexity decision circuitry
US6693954B1 (en) * 2000-04-17 2004-02-17 Rf Micro Devices, Inc. Apparatus and method of early-late symbol tracking for a complementary code keying receiver
US7554508B2 (en) 2000-06-09 2009-06-30 Parker Vision, Inc. Phased array antenna applications on universal frequency translation
US7010559B2 (en) 2000-11-14 2006-03-07 Parkervision, Inc. Method and apparatus for a parallel correlator and applications thereof
US7454453B2 (en) * 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
EP1207657B1 (en) * 2000-11-20 2007-10-31 Lucent Technologies Inc. Detection method and apparatus for phase-modulated CCK symbols with a correlator-bank
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US7324433B1 (en) 2001-11-29 2008-01-29 Marvell International Ltd. Method and apparatus for determining signal quality
US7321640B2 (en) * 2002-06-07 2008-01-22 Parkervision, Inc. Active polyphase inverter filter for quadrature signal generation
US7460584B2 (en) 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems
US7379883B2 (en) 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
US7353170B2 (en) * 2002-08-13 2008-04-01 Vanu, Inc. Noise-adaptive decoding
JP3751600B2 (en) * 2003-03-27 2006-03-01 株式会社東芝 Receiving apparatus and receiving method
US7324609B1 (en) * 2003-11-05 2008-01-29 Advanced Micro Devices, Inc. DC offset cancellation in a direct conversion receiver configured for receiving an OFDM signal
US7630457B2 (en) * 2003-12-18 2009-12-08 Freescale Semiconductor, Inc. Method and apparatus for demodulating a received signal within a coded system
US20050141784A1 (en) * 2003-12-31 2005-06-30 Ferriz Rafael M. Image scaling using an array of processing elements
EP1730649A2 (en) * 2004-03-05 2006-12-13 Vanu, Inc. Controlling jitter effects
US7330522B2 (en) * 2004-04-07 2008-02-12 Integrated System Solution Corp. Complementary code keying (CCK) sequentially decoding apparatus and process thereof
KR100688086B1 (en) * 2004-12-13 2007-03-02 한국전자통신연구원 Correlator and its method using symmetry of correlation coefficient
US7312700B2 (en) * 2005-01-26 2007-12-25 Broadcom Corporation GPS enabled cell phone with common interest alerts
US7606292B1 (en) * 2005-05-24 2009-10-20 L-3 Communications Corporation Sub-sequence accumulation filter and method
US20070038560A1 (en) * 2005-08-12 2007-02-15 Carl Ansley Transaction payment system and processing
US20080140468A1 (en) * 2006-12-06 2008-06-12 International Business Machines Corporation Complex exponential smoothing for identifying patterns in business data
DE102007002230A1 (en) * 2007-01-10 2008-07-17 Benecke-Kaliko Ag Thermoplastic film
US8312551B2 (en) * 2007-02-15 2012-11-13 Harris Corporation Low level sequence as an anti-tamper Mechanism
US7937427B2 (en) * 2007-04-19 2011-05-03 Harris Corporation Digital generation of a chaotic numerical sequence
US7921145B2 (en) * 2007-05-22 2011-04-05 Harris Corporation Extending a repetition period of a random sequence
US8611530B2 (en) * 2007-05-22 2013-12-17 Harris Corporation Encryption via induced unweighted errors
US7995757B2 (en) 2007-05-31 2011-08-09 Harris Corporation Closed galois field combination
US7974413B2 (en) * 2007-06-07 2011-07-05 Harris Corporation Spread spectrum communications system and method utilizing chaotic sequence
US7962540B2 (en) * 2007-06-07 2011-06-14 Harris Corporation Mixed radix number generator with chosen statistical artifacts
US7970809B2 (en) * 2007-06-07 2011-06-28 Harris Corporation Mixed radix conversion with a priori defined statistical artifacts
US8005221B2 (en) * 2007-08-01 2011-08-23 Harris Corporation Chaotic spread spectrum communications system receiver
US7995749B2 (en) * 2007-10-30 2011-08-09 Harris Corporation Cryptographic system configured for extending a repetition period of a random sequence
US8180055B2 (en) * 2008-02-05 2012-05-15 Harris Corporation Cryptographic system incorporating a digitally generated chaotic numerical sequence
US8363830B2 (en) 2008-02-07 2013-01-29 Harris Corporation Cryptographic system configured to perform a mixed radix conversion with a priori defined statistical artifacts
US8040937B2 (en) * 2008-03-26 2011-10-18 Harris Corporation Selective noise cancellation of a spread spectrum signal
US8139764B2 (en) * 2008-05-06 2012-03-20 Harris Corporation Closed galois field cryptographic system
US8320557B2 (en) 2008-05-08 2012-11-27 Harris Corporation Cryptographic system including a mixed radix number generator with chosen statistical artifacts
US8145692B2 (en) * 2008-05-29 2012-03-27 Harris Corporation Digital generation of an accelerated or decelerated chaotic numerical sequence
US8200728B2 (en) * 2008-05-29 2012-06-12 Harris Corporation Sine/cosine generator
US8064552B2 (en) * 2008-06-02 2011-11-22 Harris Corporation Adaptive correlation
US8068571B2 (en) * 2008-06-12 2011-11-29 Harris Corporation Featureless coherent chaotic amplitude modulation
US8228971B2 (en) * 2008-07-29 2012-07-24 Agere Systems Inc. Technique for searching for a preamble signal in a spread spectrum signal using a fast Hadamard transform
US8325702B2 (en) * 2008-08-29 2012-12-04 Harris Corporation Multi-tier ad-hoc network in which at least two types of non-interfering waveforms are communicated during a timeslot
US8165065B2 (en) * 2008-10-09 2012-04-24 Harris Corporation Ad-hoc network acquisition using chaotic sequence spread waveform
US8406276B2 (en) * 2008-12-29 2013-03-26 Harris Corporation Communications system employing orthogonal chaotic spreading codes
US8351484B2 (en) * 2008-12-29 2013-01-08 Harris Corporation Communications system employing chaotic spreading codes with static offsets
US8457077B2 (en) * 2009-03-03 2013-06-04 Harris Corporation Communications system employing orthogonal chaotic spreading codes
US8428102B2 (en) * 2009-06-08 2013-04-23 Harris Corporation Continuous time chaos dithering
US8509284B2 (en) * 2009-06-08 2013-08-13 Harris Corporation Symbol duration dithering for secured chaotic communications
US8428103B2 (en) * 2009-06-10 2013-04-23 Harris Corporation Discrete time chaos dithering
US8406352B2 (en) * 2009-07-01 2013-03-26 Harris Corporation Symbol estimation for chaotic spread spectrum signal
US8340295B2 (en) * 2009-07-01 2012-12-25 Harris Corporation High-speed cryptographic system using chaotic sequences
US8385385B2 (en) * 2009-07-01 2013-02-26 Harris Corporation Permission-based secure multiple access communication systems
US8363700B2 (en) 2009-07-01 2013-01-29 Harris Corporation Rake receiver for spread spectrum chaotic communications systems
US8379689B2 (en) * 2009-07-01 2013-02-19 Harris Corporation Anti-jam communications having selectively variable peak-to-average power ratio including a chaotic constant amplitude zero autocorrelation waveform
US8369376B2 (en) * 2009-07-01 2013-02-05 Harris Corporation Bit error rate reduction in chaotic communications
US8428104B2 (en) 2009-07-01 2013-04-23 Harris Corporation Permission-based multiple access communications systems
US8369377B2 (en) * 2009-07-22 2013-02-05 Harris Corporation Adaptive link communications using adaptive chaotic spread waveform
US8848909B2 (en) * 2009-07-22 2014-09-30 Harris Corporation Permission-based TDMA chaotic communication systems
US8345725B2 (en) 2010-03-11 2013-01-01 Harris Corporation Hidden Markov Model detection for spread spectrum waveforms
CN102291167B (en) * 2011-08-05 2018-06-15 中兴通讯股份有限公司 A kind of performance test methods and system
US10043535B2 (en) 2013-01-15 2018-08-07 Staton Techiya, Llc Method and device for spectral expansion for an audio signal
US10045135B2 (en) 2013-10-24 2018-08-07 Staton Techiya, Llc Method and device for recognition and arbitration of an input connection
US10043534B2 (en) 2013-12-23 2018-08-07 Staton Techiya, Llc Method and device for spectral expansion for an audio signal
EP3616326A4 (en) 2017-04-24 2021-01-06 Chaos Prime, Inc. Communication system employing chaotic sequence based frequency shift keying spreading signals
US10992337B2 (en) 2017-08-31 2021-04-27 Tokay Systems Llc High-order PSK signaling (HOPS) techniques for low-power spread spectrum communications

Family Cites Families (819)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2057613A (en) 1932-07-28 1936-10-13 Gen Electric Diversity factor receiving system
US2241078A (en) 1937-11-01 1941-05-06 Frederick K Vreeland Multiplex communication
US2283575A (en) 1938-04-19 1942-05-19 Rca Corp High frequency transmission system
GB519264A (en) 1938-10-10 1940-03-20 Philips Nv Improvements in or relating to multi-carrier transmission systems
GB556208A (en) 1941-04-25 1943-09-24 Standard Telephones Cables Ltd Arrangement for conversion of frequency modulation to phase modulation and the application thereof to the production of a frequency modulated wave from a frequency stable oscillator
US2462069A (en) 1942-05-07 1949-02-22 Int Standard Electric Corp Radio communication system
US2410350A (en) 1943-02-06 1946-10-29 Standard Telephones Cables Ltd Method and means for communication
US2472798A (en) 1943-11-29 1949-06-14 Rca Corp Low-pass filter system
US2462181A (en) 1944-09-28 1949-02-22 Western Electric Co Radio transmitting system
US2451430A (en) 1946-04-23 1948-10-12 Jefferson Standard Broadcastin Carrier frequency shift signaling
BE473802A (en) 1946-08-20
GB651011A (en) 1947-04-22 1951-03-07 Ericsson Telefon Ab L M Improvements in modulation devices particularly for wide frequency bands
US2497859A (en) 1947-11-19 1950-02-21 Western Union Telegraph Co Frequency diversity telegraph system
US2802208A (en) 1952-06-25 1957-08-06 Charles F Hobbs Radio frequency multiplexing
US2985875A (en) 1958-02-12 1961-05-23 Marconi Wireless Telegraph Co Radio communication systems
US3069679A (en) 1959-04-22 1962-12-18 Westinghouse Electric Corp Multiplex communication systems
NL257346A (en) 1959-10-30
US3246084A (en) 1960-08-26 1966-04-12 Bolt Beranek & Newman Method of and apparatus for speech compression and the like
US3114106A (en) 1960-11-23 1963-12-10 Mcmauus Robert Paul Frequency diversity system
US3023309A (en) 1960-12-19 1962-02-27 Bell Telephone Labor Inc Communication system
US3104393A (en) 1961-10-18 1963-09-17 Joseph H Vogelman Method and apparatus for phase and amplitude control in ionospheric communications systems
US3226643A (en) 1962-01-08 1965-12-28 Avco Corp Command communication system of the rectangular wave type
US3258694A (en) 1964-01-03 1966-06-28 Multi-channel p.m. transmitter with automatic modulation index control
US3384822A (en) 1964-03-21 1968-05-21 Nippon Electric Co Frequency-shift-keying phase-modulation code transmission system
US3383598A (en) 1965-02-15 1968-05-14 Space General Corp Transmitter for multiplexed phase modulated singaling system
DE1936252U (en) 1965-05-11 1966-04-07 Vdo Schindling TEMPERATURE SENSOR.
FR1504609A (en) 1966-09-21 1967-12-08 Ibm France Data transmission system
US3555428A (en) 1966-10-03 1971-01-12 Xerox Corp Fsk receiver for detecting a data signal with the same number of cycles of each carrier frequency
US3454718A (en) 1966-10-03 1969-07-08 Xerox Corp Fsk transmitter with transmission of the same number of cycles of each carrier frequency
US3617892A (en) 1967-02-27 1971-11-02 Rca Corp Frequency modulation system for spreading radiated power
NL6706736A (en) 1967-05-13 1968-11-14 Philips Nv
CH497089A (en) 1968-07-26 1970-09-30 Autophon Ag System for the transmission of continuous signals
US3629696A (en) 1968-08-06 1971-12-21 Northeast Electronics Corp Method and apparatus for measuring delay distortion including simultaneously applied modulated signals
US3548342A (en) 1968-10-15 1970-12-15 Ibm Digitally controlled amplitude modulation circuit
US3614627A (en) 1968-10-15 1971-10-19 Data Control Systems Inc Universal demodulation system
US3614630A (en) 1969-02-04 1971-10-19 Develco Radio frequency standard and voltage controlled oscillator
US3626417A (en) 1969-03-07 1971-12-07 Everett A Gilbert Hybrid frequency shift-amplitude modulated tone system
FR2040580A5 (en) 1969-04-03 1971-01-22 Inst Francais Du Petrole
US3617898A (en) 1969-04-09 1971-11-02 Eugene A Janning Jr Orthogonal passive frequency converter with control port and signal port
US3643168A (en) 1969-07-07 1972-02-15 Standard Kallsman Ind Inc Solid-state tuned uhf television tuner
US3767984A (en) 1969-09-03 1973-10-23 Nippon Electric Co Schottky barrier type field effect transistor
US3623160A (en) 1969-09-17 1971-11-23 Sanders Associates Inc Data modulator employing sinusoidal synthesis
DE1962156A1 (en) 1969-12-11 1971-02-11
US6531979B1 (en) 1970-02-10 2003-03-11 The United States Of America As Represented By The Secretary Of The Navy Adaptive time-compression stabilizer
US3641442A (en) 1970-06-25 1972-02-08 Hughes Aircraft Co Digital frequency synthesizer
US3621402A (en) 1970-08-03 1971-11-16 Bell Telephone Labor Inc Sampled data filter
JPS472314Y1 (en) 1970-08-08 1972-01-26
US3689841A (en) 1970-10-23 1972-09-05 Signatron Communication system for eliminating time delay effects when used in a multipath transmission medium
US3702440A (en) 1970-11-16 1972-11-07 Motorola Inc Selective calling system providing an increased number of calling codes or auxiliary information transfer
US3662268A (en) 1970-11-17 1972-05-09 Bell Telephone Labor Inc Diversity communication system using distinct spectral arrangements for each branch
US3694754A (en) 1970-12-28 1972-09-26 Tracor Suppression of electrostatic noise in antenna systems
US3716730A (en) 1971-04-19 1973-02-13 Motorola Inc Intermodulation rejection capabilities of field-effect transistor radio frequency amplifiers and mixers
US3714577A (en) 1971-05-06 1973-01-30 W Hayes Single sideband am-fm modulation system
US3735048A (en) 1971-05-28 1973-05-22 Motorola Inc In-band data transmission system
US3719903A (en) 1971-06-25 1973-03-06 Bell Telephone Labor Inc Double sideband modem with either suppressed or transmitted carrier
US3736513A (en) 1971-06-28 1973-05-29 Warwick Electronics Inc Receiver tuning system
US3806811A (en) 1972-01-20 1974-04-23 Gte Sylvania Inc Multiple carrier phase modulated signal generating apparatus
US3764921A (en) 1972-10-27 1973-10-09 Control Data Corp Sample and hold circuit
US3991277A (en) 1973-02-15 1976-11-09 Yoshimutsu Hirata Frequency division multiplex system using comb filters
US3852530A (en) 1973-03-19 1974-12-03 M Shen Single stage power amplifiers for multiple signal channels
US3868601A (en) 1973-06-18 1975-02-25 Us Navy Digital single-sideband modulator
IT996720B (en) 1973-09-21 1975-12-10 Fiat Spa PROCEDURE FOR FITTING A MICROCABLE WITH TERMINALS
FR2245130A1 (en) 1973-09-21 1975-04-18 Jaeger Linear frequency-voltage converter - supplies charge to capacitor proportional to input frequency
US4066841A (en) 1974-01-25 1978-01-03 Serck Industries Limited Data transmitting systems
US3949300A (en) 1974-07-03 1976-04-06 Sadler William S Emergency radio frequency warning device
JPS5113208U (en) 1974-07-17 1976-01-30
US3967202A (en) 1974-07-25 1976-06-29 Northern Illinois Gas Company Data transmission system including an RF transponder for generating a broad spectrum of intelligence bearing sidebands
NL168099C (en) 1974-09-12 1982-02-16 Philips Nv MODULATION AND FILTER DEVICE FOR DIGITAL SIGNALS.
US4035732A (en) 1974-10-03 1977-07-12 The United States Of America As Represented By The Secretary Of The Army High dynamic range receiver front end mixer requiring low local oscillator injection power
US3980945A (en) 1974-10-07 1976-09-14 Raytheon Company Digital communications system with immunity to frequency selective fading
US3940697A (en) 1974-12-02 1976-02-24 Hy-Gain Electronics Corporation Multiple band scanning radio
US3987280A (en) 1975-05-21 1976-10-19 The United States Of America As Represented By The Secretary Of The Navy Digital-to-bandpass converter
US4017798A (en) 1975-09-08 1977-04-12 Ncr Corporation Spread spectrum demodulator
US4013966A (en) 1975-10-16 1977-03-22 The United States Of America As Represented By The Secretary Of The Navy Fm rf signal generator using step recovery diode
US4047121A (en) 1975-10-16 1977-09-06 The United States Of America As Represented By The Secretary Of The Navy RF signal generator
US4019140A (en) 1975-10-24 1977-04-19 Bell Telephone Laboratories, Incorporated Methods and apparatus for reducing intelligible crosstalk in single sideband radio systems
US4045740A (en) 1975-10-28 1977-08-30 The United States Of America As Represented By The Secretary Of The Army Method for optimizing the bandwidth of a radio receiver
JPS5823978B2 (en) 1975-11-11 1983-05-18 ソニー株式会社 Chuyuna
JPS5826699B2 (en) 1975-11-13 1983-06-04 ソニー株式会社 Chuyuna
US4032847A (en) 1976-01-05 1977-06-28 Raytheon Company Distortion adapter receiver having intersymbol interference correction
US4066919A (en) 1976-04-01 1978-01-03 Motorola, Inc. Sample and hold circuit
JPS52141113A (en) 1976-05-19 1977-11-25 Nippon Telegr & Teleph Corp <Ntt> Transmission diversity system
NL175575C (en) 1976-05-28 1984-11-16 Philips Nv FILTER AND DEMODULATION DEVICE.
US4048598A (en) 1976-05-28 1977-09-13 Rca Corporation Uhf tuning circuit utilizing a varactor diode
US4081748A (en) 1976-07-01 1978-03-28 Northern Illinois Gas Company Frequency/space diversity data transmission system
US4080573A (en) 1976-07-16 1978-03-21 Motorola, Inc. Balanced mixer using complementary devices
US4051475A (en) 1976-07-21 1977-09-27 The United States Ofamerica As Represented By The Secretary Of The Army Radio receiver isolation system
JPS5914939B2 (en) 1976-09-30 1984-04-06 日本電気株式会社 carrier wave regenerator
JPS53140962A (en) 1977-05-16 1978-12-08 Hitachi Denshi Ltd Electronic switch circuit
US4145659A (en) 1977-05-25 1979-03-20 General Electric Company UHF electronic tuner
US4130765A (en) 1977-05-31 1978-12-19 Rafi Arakelian Low supply voltage frequency multiplier with common base transistor amplifier
GB1600082A (en) 1977-06-06 1981-10-14 Hobart Corp Food processing apparatus
US4346477A (en) 1977-08-01 1982-08-24 E-Systems, Inc. Phase locked sampling radio receiver
JPS5461822A (en) 1977-10-27 1979-05-18 Sony Corp Transmitter circuit
US4170764A (en) 1978-03-06 1979-10-09 Bell Telephone Laboratories, Incorporated Amplitude and frequency modulation system
DE2813946C2 (en) 1978-03-31 1980-01-31 Siemens Ag, 1000 Berlin Und 8000 Muenchen Filter circuit with a biquadratic transfer function
US4204171A (en) 1978-05-30 1980-05-20 Rca Corporation Filter which tracks changing frequency of input signal
US4241451A (en) 1978-06-26 1980-12-23 Rockwell International Corporation Single sideband signal demodulator
US4193036A (en) 1978-07-03 1980-03-11 Motorola, Inc. Balanced active mixer circuit
US4210872A (en) 1978-09-08 1980-07-01 American Microsystems, Inc. High pass switched capacitor filter section
JPS5566057U (en) 1978-10-24 1980-05-07
US4308614A (en) 1978-10-26 1981-12-29 Fisher Charles B Noise-reduction sampling system
JPS587903Y2 (en) 1978-11-22 1983-02-12 三和シヤツタ−工業株式会社 Fixing device for the upper part of the column during overhead door movement
US4253067A (en) 1978-12-11 1981-02-24 Rockwell International Corporation Baseband differentially phase encoded radio signal detector
BR8006228A (en) 1979-01-29 1980-12-30 Anaconda Co TRANSMISSION SYSTEM, CARRIER MULTIPLEXATION PROCESS IN MULTIPLE CHANNELS OF COMMUNICATION ON A SINGLE COMMUNICATION MEDIA RECEIVER FILTRATION PROCESS, MULTIPLE TRANSPORT SYSTEMS, TRANSMISSION SYSTEMS, MULTIPLE TRANSPORT SYSTEMS, MULTIPLE TRANSPORT SYSTEMS MULTIPLEXED
US4389579A (en) 1979-02-13 1983-06-21 Motorola, Inc. Sample and hold circuit
JPS5831622Y2 (en) 1979-03-22 1983-07-13 日本電気株式会社 positioning jig
DE2921219C2 (en) 1979-05-25 1986-12-04 Blaupunkt-Werke Gmbh, 3200 Hildesheim RF receiver stage for televisions
US4250458A (en) 1979-05-31 1981-02-10 Digital Communications Corporation Baseband DC offset detector and control circuit for DC coupled digital demodulator
JPS5922438Y2 (en) 1979-06-18 1984-07-04 東京電力株式会社 refrigeration cycle
US4320361A (en) 1979-07-20 1982-03-16 Marconi Instruments Limited Amplitude and frequency modulators using a switchable component controlled by data signals
US4245355A (en) 1979-08-08 1981-01-13 Eaton Corporation Microwave frequency converter
US4320536A (en) 1979-09-18 1982-03-16 Dietrich James L Subharmonic pumped mixer circuit
JPS5648732A (en) 1979-09-28 1981-05-02 Nec Corp Radio equipment
FR2471081B1 (en) 1979-11-30 1986-05-30 Thomson Csf SWITCHED CAPACITY FILTER WITH LOAD TRANSFER
US4286283A (en) 1979-12-20 1981-08-25 Rca Corporation Transcoder
US4356558A (en) 1979-12-20 1982-10-26 Martin Marietta Corporation Optimum second order digital filter
FR2473808A1 (en) 1980-01-11 1981-07-17 Thomson Csf SUBHARMONIC MIXER FOR MILLIMETER WAVE RECEIVER AND RECEIVER USING SUCH A MIXER
US4370572A (en) 1980-01-17 1983-01-25 Trw Inc. Differential sample-and-hold circuit
JPS6058705B2 (en) 1980-01-28 1985-12-21 株式会社リコー Multi-head of inkjet printing device
FR2474791A1 (en) 1980-01-29 1981-07-31 Thomson Csf DIVERSITY RADIO-TRANSMISSION SYSTEM OF SIMPLE AND ECONOMIC STRUCTURE, AND TELECOMMUNICATION NETWORK COMPRISING SUCH SYSTEMS
JPS56114451U (en) 1980-02-04 1981-09-03
DE3007907A1 (en) 1980-03-01 1981-09-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt DIGITAL RECEIVER
JPS56133344A (en) 1980-03-21 1981-10-19 Kureha Chem Ind Co Ltd Novel composite material
DE3016082C2 (en) 1980-04-25 1982-10-21 Siemens AG, 1000 Berlin und 8000 München Consisting of CTD elements, with a predeterminable sampling and clock frequency f? T? operated electrical filter circuit
US4253066A (en) 1980-05-13 1981-02-24 Fisher Charles B Synchronous detection with sampling
US4485347A (en) 1980-09-04 1984-11-27 Mitsubishi Denki Kabushiki Kaisha Digital FSK demodulator
US4472785A (en) 1980-10-13 1984-09-18 Victor Company Of Japan, Ltd. Sampling frequency converter
US4334324A (en) 1980-10-31 1982-06-08 Rca Corporation Complementary symmetry FET frequency converter circuits
US4517519A (en) 1980-11-07 1985-05-14 Kabushiki Kaisha Suwa Seikosha FSK Demodulator employing a switched capacitor filter and period counters
US4360867A (en) 1980-12-08 1982-11-23 Bell Telephone Laboratories, Incorporated Broadband frequency multiplication by multitransition operation of step recovery diode
US4393395A (en) 1981-01-26 1983-07-12 Rca Corporation Balanced modulator with feedback stabilization of carrier balance
CA1170354A (en) 1981-02-18 1984-07-03 Takao Mogi Aft circuit
GB2094079A (en) 1981-02-20 1982-09-08 Philips Electronic Associated Fm demodulator
JPS6130821Y2 (en) 1981-03-30 1986-09-09
US4384357A (en) 1981-04-03 1983-05-17 Canadian Patens & Development Limited Self-synchronization circuit for a FFSK or MSK demodulator
JPS57180567A (en) 1981-04-24 1982-11-06 Daiwa Spinning Co Ltd Control of intake operation of intake pipe for holding thread edge in automatic winder
US4380828A (en) 1981-05-26 1983-04-19 Zenith Radio Corporation UHF MOSFET Mixer
DE3121146A1 (en) 1981-05-27 1983-01-05 Siemens AG, 1000 Berlin und 8000 München DIGITAL RADIO SYSTEM
US4481642A (en) 1981-06-02 1984-11-06 Texas Instruments Incorporated Integrated circuit FSK modem
JPS5819349A (en) 1981-07-28 1983-02-04 Mitsubishi Monsanto Chem Co Method for manufacturing paste sol
US4483017A (en) 1981-07-31 1984-11-13 Rca Corporation Pattern recognition system using switched capacitors
US4517520A (en) 1981-08-24 1985-05-14 Trio Kabushiki Kaisha Circuit for converting a staircase waveform into a smoothed analog signal
GB2106359B (en) 1981-09-24 1985-07-03 Standard Telephones Cables Ltd Direct conversion radio receiver for fm signals
FR2515449B1 (en) 1981-10-23 1986-08-14 Thomson Csf MICROPHONE SUBHARMONIC MIXER DEVICE AND MICROWAVE SYSTEM USING SUCH A DEVICE
US4446438A (en) 1981-10-26 1984-05-01 Gte Automatic Electric Incorporated Switched capacitor n-path filter
US4441080A (en) 1981-12-17 1984-04-03 Bell Telephone Laboratories, Incorporated Amplifier with controlled gain
JPS58105493A (en) 1981-12-16 1983-06-23 Matsushita Electric Ind Co Ltd Storing and holding device for amplitude of pulse signal
JPH0239632B2 (en) 1981-12-28 1990-09-06 Mitsubishi Electric Corp SUKUROORUATSUSHUKUKI
FR2521784B1 (en) 1982-02-12 1985-09-20 Thomson Csf TRANSISTOR MIXER FOR MICROWAVE
JPS58107236U (en) 1982-01-14 1983-07-21 アイダエンジニアリング株式会社 Safety device for transfer clamp/unclamp or lift/down equipment
JPS58133004A (en) 1982-02-03 1983-08-08 Matsushita Electric Ind Co Ltd Amplitude detector
US4456990A (en) 1982-02-10 1984-06-26 Fisher Charles B Periodic wave elimination by negative feedback
JPS58133004U (en) 1982-03-03 1983-09-07 株式会社日立製作所 automatic hair dryer
US4479226A (en) 1982-03-29 1984-10-23 At&T Bell Laboratories Frequency-hopped single sideband mobile radio system
US4484143A (en) 1982-05-17 1984-11-20 Rockwell International Corporation CCD Demodulator circuit
JPS58178997U (en) 1982-05-21 1983-11-30 田中 弘道 Spare toilet paper container
US4481490A (en) 1982-06-07 1984-11-06 Ael Microtel, Ltd. Modulator utilizing high and low frequency carriers
US4504803A (en) 1982-06-28 1985-03-12 Gte Lenkurt, Incorporated Switched capacitor AM modulator/demodulator
US4510467A (en) 1982-06-28 1985-04-09 Gte Communication Systems Corporation Switched capacitor DSB modulator/demodulator
US4510453A (en) 1982-07-13 1985-04-09 Westinghouse Electric Corp. Frequency modulation or pulse modulation demodulator
US4470145A (en) 1982-07-26 1984-09-04 Hughes Aircraft Company Single sideband quadricorrelator
EP0176596B1 (en) 1982-11-26 1990-07-18 Mitsubishi Denki Kabushiki Kaisha Analog input circuit
JPS59118315U (en) 1983-01-28 1984-08-09 ソニー株式会社 buffer circuit
JPS59123318U (en) 1983-02-09 1984-08-20 三菱電機株式会社 Coils for electrical equipment
JPS59144249U (en) 1983-03-16 1984-09-27 株式会社御田釦製作所 String terminal processing tool
US4616191A (en) 1983-07-05 1986-10-07 Raytheon Company Multifrequency microwave source
NL8302482A (en) 1983-07-12 1985-02-01 Philips Nv TIRE PRESSURE FILTER OF THE SWITCHED CAPACITIES TYPE.
US4591930A (en) 1983-09-23 1986-05-27 Eastman Kodak Company Signal processing for high resolution electronic still camera
GB2149244B (en) 1983-10-29 1987-01-21 Standard Telephones Cables Ltd Digital demodulator arrangement for quadrature signals
JPH0793553B2 (en) 1983-11-18 1995-10-09 株式会社日立製作所 Switched capacitor filter
US4660164A (en) 1983-12-05 1987-04-21 The United States Of America As Represented By The Secretary Of The Navy Multiplexed digital correlator
US4577157A (en) 1983-12-12 1986-03-18 International Telephone And Telegraph Corporation Zero IF receiver AM/FM/PM demodulator using sampling techniques
US4562414A (en) 1983-12-27 1985-12-31 Motorola, Inc. Digital frequency modulation system and method
JPS60141027A (en) 1983-12-28 1985-07-26 Nec Corp Frequency controller
JPS60130203U (en) 1984-02-10 1985-08-31 岡田 ▲みち▼子 Garbage storage bag in the kitchen
US4563773A (en) 1984-03-12 1986-01-07 The United States Of America As Represented By The Secretary Of The Army Monolithic planar doped barrier subharmonic mixer
US4725041A (en) * 1984-04-16 1988-02-16 Colt Industries Inc Fuel injection apparatus and system
US4970703A (en) 1984-05-10 1990-11-13 Magnavox Government And Industrial Electronics Company Switched capacitor waveform processing circuit
GB2161344A (en) 1984-07-06 1986-01-08 Philips Electronic Associated Transmission of digital data
JPS6160515U (en) 1984-08-22 1986-04-23
US4621217A (en) 1984-09-21 1986-11-04 Tektronix, Inc. Anti-aliasing filter circuit for oscilloscopes
US4603300A (en) 1984-09-21 1986-07-29 General Electric Company Frequency modulation detector using digital signal vector processing
CH666584A5 (en) 1984-11-22 1988-07-29 Zellweger Uster Ag METHOD AND DEVICE FOR DEMODULATING HIGH FREQUENCY MODULATED SIGNALS BY MEANS OF DIGITAL FILTERS AND DIGITAL DEMODULATORS, AND USE OF THE METHOD IN A REMOTE CONTROL RECEIVER.
US4716388A (en) 1984-12-24 1987-12-29 Jacobs Gordon M Multiple output allpass switched capacitor filters
US4716376A (en) 1985-01-31 1987-12-29 At&T Information Systems Inc. Adaptive FSK demodulator and threshold detector
EP0193899B1 (en) 1985-03-04 1990-06-13 Dymax Corporation Tissue signature tracking transceiver having upconverted if amplification
US4893316A (en) 1985-04-04 1990-01-09 Motorola, Inc. Digital radio frequency receiver
JPS61232706A (en) 1985-04-06 1986-10-17 Sharp Corp Frequency converter for signal
JPS61245749A (en) 1985-04-24 1986-11-01 Nec Corp Pcm signal transmission system for catv
JPS61248602A (en) 1985-04-26 1986-11-05 Toshiba Corp Frequency doubler
DE3516492A1 (en) 1985-05-08 1986-11-13 Standard Elektrik Lorenz Ag, 7000 Stuttgart RADIO RECEIVER
JPS61193521U (en) 1985-05-21 1986-12-02
US4612518A (en) 1985-05-28 1986-09-16 At&T Bell Laboratories QPSK modulator or demodulator using subharmonic pump carrier signals
US4833445A (en) 1985-06-07 1989-05-23 Sequence Incorporated Fiso sampling system
GB2177273A (en) 1985-06-26 1987-01-14 Philips Electronic Associated R f power amplifier
DE3674096D1 (en) 1985-07-03 1990-10-18 Siemens Ag DIGITAL FILTER SOFT, IN PARTICULAR FOR A DATA RECEIVER.
GB2177876A (en) 1985-07-08 1987-01-28 Philips Electronic Associated Radio system and a transmitter and a receiver for use in the system
US4810904A (en) 1985-07-17 1989-03-07 Hughes Aircraft Company Sample-and-hold phase detector circuit
US4634998A (en) 1985-07-17 1987-01-06 Hughes Aircraft Company Fast phase-lock frequency synthesizer with variable sampling efficiency
US4675882A (en) 1985-09-10 1987-06-23 Motorola, Inc. FM demodulator
US4785463A (en) 1985-09-03 1988-11-15 Motorola, Inc. Digital global positioning system receiver
GB2181914B (en) 1985-10-22 1989-09-20 Plessey Co Plc Frequency doubling oscillator and heterodyne circuit incorporating same
US5345239A (en) 1985-11-12 1994-09-06 Systron Donner Corporation High speed serrodyne digital frequency translator
US4653117A (en) 1985-11-18 1987-03-24 Motorola, Inc. Dual conversion FM receiver using phase locked direct conversion IF
CA1244139A (en) 1985-12-11 1988-11-01 Larry J. Conway Microwave waveform receiver
US4648021A (en) 1986-01-03 1987-03-03 Motorola, Inc. Frequency doubler circuit and method
US4740675A (en) 1986-04-10 1988-04-26 Hewlett-Packard Company Digital bar code slot reader with threshold comparison of the differentiated bar code signal
US4751468A (en) 1986-05-01 1988-06-14 Tektronix, Inc. Tracking sample and hold phase detector
JPS62264728A (en) 1986-05-12 1987-11-17 Minolta Camera Co Ltd Analog-digital converter
US4733403A (en) 1986-05-12 1988-03-22 Motorola, Inc. Digital zero IF selectivity section
IT1204401B (en) 1986-06-20 1989-03-01 Sgs Microelettronica Spa FILTER DEVICE FOR PASSANDED DATA SAMPLE
US4757538A (en) 1986-07-07 1988-07-12 Tektronix, Inc. Separation of L+R from L-R in BTSC system
US4791600A (en) 1986-07-28 1988-12-13 Tektronix, Inc. Digital pipelined heterodyne circuit
US4688253A (en) 1986-07-28 1987-08-18 Tektronix, Inc. L+R separation system
US4740792A (en) 1986-08-27 1988-04-26 Hughes Aircraft Company Vehicle location system
JPS6369099A (en) 1986-09-10 1988-03-29 Yamaha Corp Sample/hold circuit
US4745463A (en) 1986-09-25 1988-05-17 Rca Licensing Corporation Generalized chrominance signal demodulator for a sampled data television signal processing system
US4791584A (en) 1986-10-15 1988-12-13 Eastman Kodak Company Sub-nyquist interferometry
NL8603110A (en) 1986-12-08 1988-07-01 Philips Nv SWITCH FOR RECOVERING A CARRIER.
US4811422A (en) 1986-12-22 1989-03-07 Kahn Leonard R Reduction of undesired harmonic components
US5014304A (en) 1987-01-09 1991-05-07 Sgs-Thomson Microelectronics S.R.L. Method of reconstructing an analog signal, particularly in digital telephony applications, and a circuit device implementing the method
GB2201559A (en) 1987-01-23 1988-09-01 Gen Electric Plc Electrical signal mixer circuit
US4737969A (en) 1987-01-28 1988-04-12 Motorola, Inc. Spectrally efficient digital modulation method and apparatus
US4806790A (en) 1987-02-16 1989-02-21 Nec Corporation Sample-and-hold circuit
JPS63215185A (en) 1987-03-03 1988-09-07 Matsushita Electric Ind Co Ltd Sub-nyquist coding device and decoding device
FR2612018B1 (en) 1987-03-06 1989-05-26 Labo Electronique Physique HYPERFREQUENCY MIXER
JPH0823359B2 (en) 1987-03-20 1996-03-06 株式会社日立製作所 Fan
US4871987A (en) 1987-03-28 1989-10-03 Kabushiki Kaisha Kenwood FSK or am modulator with digital waveform shaping
JPS63153691U (en) 1987-03-30 1988-10-07
US4761798A (en) 1987-04-02 1988-08-02 Itt Aerospace Optical Baseband phase modulator apparatus employing digital techniques
US4816704A (en) 1987-04-21 1989-03-28 Fiori David Frequency-to-voltage converter
US4789837A (en) 1987-04-22 1988-12-06 Sangamo Weston, Inc. Switched capacitor mixer/multiplier
JPS63274214A (en) 1987-05-01 1988-11-11 Kokusai Electric Co Ltd Digital/analog conversion circuit
FR2615675B1 (en) 1987-05-21 1989-06-30 Alcatel Espace METHOD FOR DEMODULATING DIGITALLY MODULATED SIGNALS AND DEVICE FOR CARRYING OUT SUCH A METHOD
US4855894A (en) 1987-05-25 1989-08-08 Kabushiki Kaisha Kenwood Frequency converting apparatus
US4811362A (en) 1987-06-15 1989-03-07 Motorola, Inc. Low power digital receiver
US4910752A (en) 1987-06-15 1990-03-20 Motorola, Inc. Low power digital receiver
US4772853A (en) 1987-08-12 1988-09-20 Rockwell International Corporation Digital delay FM demodulator with filtered noise dither
US4862121A (en) 1987-08-13 1989-08-29 Texas Instruments Incorporated Switched capacitor filter
GB8719849D0 (en) 1987-08-21 1987-09-30 British Telecomm Fsk discriminator
FR2619973B1 (en) 1987-08-26 1990-01-05 France Etat SAMPLE FILTER DEVICE WITH SWITCHED CAPACITIES
EP0305775B1 (en) 1987-08-29 1994-01-26 Fujitsu Limited FSK demodulation circuit
GB2209442A (en) 1987-09-04 1989-05-10 Marconi Instruments Ltd Frequency synthesizer
JPH079001Y2 (en) 1987-09-18 1995-03-06 アイシン精機株式会社 Cryogenic refrigerator
US4841265A (en) 1987-09-25 1989-06-20 Nec Corporation Surface acoustic wave filter
US5020149A (en) 1987-09-30 1991-05-28 Conifer Corporation Integrated down converter and interdigital filter apparatus and method for construction thereof
RU2109402C1 (en) 1987-10-27 1998-04-20 Энтон Найсен Пол Device for two-way communication between transmitter/receiver units
US4922452A (en) 1987-11-16 1990-05-01 Analytek, Ltd. 10 Gigasample/sec two-stage analog storage integrated circuit for transient digitizing and imaging oscillography
US4814649A (en) 1987-12-18 1989-03-21 Rockwell International Corporation Dual gate FET mixing apparatus with feedback means
USRE35494E (en) 1987-12-22 1997-04-22 Sgs-Thomson Microelectronics, S.R.L. Integrated active low-pass filter of the first order
US4857928A (en) 1988-01-28 1989-08-15 Motorola, Inc. Method and arrangement for a sigma delta converter for bandpass signals
US4819252A (en) 1988-02-16 1989-04-04 Thomson Consumer Electronics, Inc. Sampled data subsampling apparatus
GB2215545A (en) 1988-03-16 1989-09-20 Philips Electronic Associated A direct-conversion receiver
NL8800696A (en) 1988-03-21 1989-10-16 Philips Nv SAMPLING SYSTEM, PULSE GENERATION CIRCUIT AND SAMPLING CIRCUIT SUITABLE FOR APPLICATION IN A SAMPLING SYSTEM, AND OSCILLOSCOPE PROVIDED WITH A SAMPLING SYSTEM.
US4885671A (en) 1988-03-24 1989-12-05 General Electric Company Pulse-by-pulse current mode controlled power supply
GB2215945A (en) 1988-03-26 1989-09-27 Stc Plc Digital direct conversion radio
US4995055A (en) 1988-06-16 1991-02-19 Hughes Aircraft Company Time shared very small aperture satellite terminals
GB2219899A (en) 1988-06-17 1989-12-20 Philips Electronic Associated A zero if receiver
FR2633467B1 (en) 1988-06-24 1990-08-24 Thomson Csf FREQUENCY MULTIPLIER WITH PROGRAMMABLE MULTIPLICATION ROW
US4893341A (en) 1989-08-01 1990-01-09 At&E Corporation Digital receiver operating at sub-nyquist sampling rate
US4944025A (en) 1988-08-09 1990-07-24 At&E Corporation Direct conversion FM receiver with offset
ES2045047T3 (en) 1988-08-31 1994-01-16 Siemens Ag MULTIPLIER WITH FOUR QUADRANTS OF MULTIPLE INPUTS.
SE463540B (en) 1988-09-19 1990-12-03 Ericsson Telefon Ab L M SEAT TO DIGITALIZE ANY RADIO SIGNALS IN A RADIO COMMUNICATION SYSTEM AND DEVICE TO EXERCISE THE SET
US5062122A (en) 1988-09-28 1991-10-29 Kenwood Corporation Delay-locked loop circuit in spread spectrum receiver
US5220583A (en) 1988-10-03 1993-06-15 Motorola, Inc. Digital fm demodulator with a reduced sampling rate
US4972436A (en) 1988-10-14 1990-11-20 Hayes Microcomputer Products, Inc. High performance sigma delta based analog modem front end
US4943974A (en) 1988-10-21 1990-07-24 Geostar Corporation Detection of burst signal transmissions
US5016242A (en) 1988-11-01 1991-05-14 Gte Laboratories Incorporated Microwave subcarrier generation for fiber optic systems
JPH02131629A (en) 1988-11-12 1990-05-21 Nec Corp Transmitter-receiver for frequency diversity
US4894766A (en) 1988-11-25 1990-01-16 Hazeltine Corporation Power supply frequency converter
US4873492A (en) 1988-12-05 1989-10-10 American Telephone And Telegraph Company, At&T Bell Laboratories Amplifier with modulated resistor gain control
GB2225910A (en) 1988-12-08 1990-06-13 Philips Electronic Associated Processing sampled analogue electrical signals
FR2640829B1 (en) 1988-12-20 1991-02-08 Thomson Hybrides Microondes DEVICE FOR DIRECT MICROWAVE MODULATION OR DEMODULATION
US4885587A (en) 1988-12-22 1989-12-05 Westinghouse Electric Corp. Multibit decorrelated spur digital radio frequency memory
JP2576612B2 (en) 1988-12-28 1997-01-29 日本ビクター株式会社 Signal converter
US5058107A (en) 1989-01-05 1991-10-15 Hughes Aircraft Company Efficient digital frequency division multiplexed signal receiver
US5251218A (en) 1989-01-05 1993-10-05 Hughes Aircraft Company Efficient digital frequency division multiplexed signal receiver
US4890162A (en) 1989-01-26 1989-12-26 Rca Licensing Corporation Adjustable antialias filters
US5006854A (en) 1989-02-13 1991-04-09 Silicon Systems, Inc. Method and apparatus for converting A/D nonlinearities to random noise
US4896152A (en) 1989-03-02 1990-01-23 General Electric Company Telemetry system with a sending station using recursive filter for bandwidth limiting
US4902979A (en) 1989-03-10 1990-02-20 General Electric Company Homodyne down-converter with digital Hilbert transform filtering
US4888557A (en) 1989-04-10 1989-12-19 General Electric Company Digital subharmonic sampling down-converter
CA2014916C (en) 1989-04-20 1994-11-08 Yoichiro Minami Direct conversion receiver with dithering local carrier frequency for detecting transmitted carrier frequency
DE59008497D1 (en) 1989-04-20 1995-03-30 Siemens Ag Transmission link.
FR2646741B1 (en) 1989-05-03 1994-09-02 Thomson Hybrides Microondes HIGH FREQUENCY SAMPLING SAMPLER-LOCKER
US4931716A (en) 1989-05-05 1990-06-05 Milan Jovanovic Constant frequency zero-voltage-switching multi-resonant converter
US4931921A (en) 1989-05-30 1990-06-05 Motorola, Inc. Wide bandwidth frequency doubler
EP0401771B1 (en) 1989-06-09 1995-09-20 TEMIC TELEFUNKEN microelectronic GmbH Circuit arrangement for frequency conversion
US5157687A (en) 1989-06-29 1992-10-20 Symbol Technologies, Inc. Packet data communication network
DE3925329A1 (en) 1989-07-31 1991-02-07 Siemens Ag CIRCUIT ARRANGEMENT FOR REGULATING THE AMPLITUDE OF VIDEO SIGNALS
US4992736A (en) 1989-08-04 1991-02-12 General Electric Company Radio frequency receiver for a NMR instrument
US5170414A (en) 1989-09-12 1992-12-08 Siemens Pacesetter, Inc. Adjustable output level signal transmitter
US4982353A (en) 1989-09-28 1991-01-01 General Electric Company Subsampling time-domain digital filter using sparsely clocked output latch
US4955079A (en) 1989-09-29 1990-09-04 Raytheon Company Waveguide excited enhancement and inherent rejection of interference in a subharmonic mixer
US5015963A (en) 1989-09-29 1991-05-14 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Synchronous demodulator
US5012245A (en) 1989-10-04 1991-04-30 At&T Bell Laboratories Integral switched capacitor FIR filter/digital-to-analog converter for sigma-delta encoded digital audio
JPH03132185A (en) 1989-10-17 1991-06-05 Sanyo Electric Co Ltd Television signal converter
US5003621A (en) 1989-11-02 1991-03-26 Motorola, Inc. Direct conversion FM receiver
US5005169A (en) 1989-11-16 1991-04-02 Westinghouse Electric Corp. Frequency division multiplex guardband communication system for sending information over the guardbands
JPH03160803A (en) 1989-11-20 1991-07-10 Pioneer Electron Corp Balanced mixer circuit
US5063387A (en) 1989-11-20 1991-11-05 Unisys Corporation Doppler frequency compensation circuit
US5191459A (en) 1989-12-04 1993-03-02 Scientific-Atlanta, Inc. Method and apparatus for transmitting broadband amplitude modulated radio frequency signals over optical links
US5006810A (en) 1989-12-14 1991-04-09 Northern Telecom Limited Second order active filters
US5239496A (en) * 1989-12-27 1993-08-24 Nynex Science & Technology, Inc. Digital parallel correlator
GB2240240A (en) 1990-01-19 1991-07-24 Philips Electronic Associated Radio receiver for direct sequence spread spectrum signals
JPH063861B2 (en) 1990-02-14 1994-01-12 株式会社東芝 Active filter
US5263194A (en) 1990-03-07 1993-11-16 Seiko Corp. Zero if radio receiver for intermittent operation
US5230097A (en) 1990-03-09 1993-07-20 Scientific-Atlanta, Inc. Offset frequency converter for phase/amplitude data measurement receivers
US5113094A (en) 1990-03-13 1992-05-12 Wiltron Company Method and apparatus for increasing the high frequency sensitivity response of a sampler frequency converter
US5095536A (en) 1990-03-23 1992-03-10 Rockwell International Corporation Direct conversion receiver with tri-phase architecture
US5095533A (en) 1990-03-23 1992-03-10 Rockwell International Corporation Automatic gain control system for a direct conversion receiver
JPH02276351A (en) 1990-03-26 1990-11-13 Seiko Epson Corp FSK demodulation circuit
JPH043540A (en) 1990-04-19 1992-01-08 Yamaha Corp Spread spectrum communication equipment
GB9010637D0 (en) 1990-05-11 1990-07-04 Secr Defence A high frequency multichannel diversity differential phase shift(dpsk)communications system
US5033110A (en) 1990-05-18 1991-07-16 Northern Telecom Limited Frequency converter for a radio communications system
US5010585A (en) 1990-06-01 1991-04-23 Garcia Rafael A Digital data and analog radio frequency transmitter
JP2927896B2 (en) 1990-06-28 1999-07-28 日本電気株式会社 Spectrum suppression circuit
JP2679889B2 (en) 1990-07-19 1997-11-19 株式会社テック Wireless communication device and reception control method of the device
JP2817373B2 (en) 1990-07-30 1998-10-30 松下電器産業株式会社 Direct conversion receiver
GB9017418D0 (en) 1990-08-08 1990-09-19 Gen Electric Co Plc Half frequency mixer
USRE35829E (en) 1990-08-27 1998-06-23 Axonn Corporation Binary phase shift keying modulation system and/or frequency multiplier
US5214787A (en) 1990-08-31 1993-05-25 Karkota Jr Frank P Multiple audio channel broadcast system
JPH04123614A (en) 1990-09-14 1992-04-23 Nec Corp Level converting circuit
JPH04127601A (en) 1990-09-18 1992-04-28 Victor Co Of Japan Ltd Frequency conversion circuit
US5126682A (en) 1990-10-16 1992-06-30 Stanford Telecommunications, Inc. Demodulation method and apparatus incorporating charge coupled devices
JPH04154227A (en) 1990-10-17 1992-05-27 Nagano Hoso:Kk Relay monitoring device for broadcasting radio wave
KR960000775B1 (en) 1990-10-19 1996-01-12 닛본덴기 가부시끼가이샤 Output level control circuit of high frequency power amplifier
KR920010383B1 (en) 1990-10-23 1992-11-27 삼성전자 주식회사 Broadcast signal direct receiving circuit
JP2801389B2 (en) 1990-11-02 1998-09-21 キヤノン株式会社 Signal processing device
JPH04177946A (en) 1990-11-09 1992-06-25 Sony Corp Digital demodulator
NL9002489A (en) 1990-11-15 1992-06-01 Philips Nv RECEIVER.
US5263196A (en) 1990-11-19 1993-11-16 Motorola, Inc. Method and apparatus for compensation of imbalance in zero-if downconverters
FR2669787A1 (en) 1990-11-23 1992-05-29 Alcatel Telspace Symmetric UHF mixer
US5083050A (en) 1990-11-30 1992-01-21 Grumman Aerospace Corporation Modified cascode mixer circuit
US5140699A (en) 1990-12-24 1992-08-18 American Nucleonics Corporation Detector DC offset compensator
US5136267A (en) 1990-12-26 1992-08-04 Audio Precision, Inc. Tunable bandpass filter system and filtering method
JP2800500B2 (en) 1991-10-01 1998-09-21 松下電器産業株式会社 Burst transmission output control circuit
US5287516A (en) 1991-01-10 1994-02-15 Landis & Gyr Betriebs Ag Demodulation process for binary data
US5220680A (en) 1991-01-15 1993-06-15 Pactel Corporation Frequency signal generator apparatus and method for simulating interference in mobile communication systems
JP2850160B2 (en) 1991-01-25 1999-01-27 松下電器産業株式会社 Time division duplex wireless transceiver
US5212827A (en) 1991-02-04 1993-05-18 Motorola, Inc. Zero intermediate frequency noise blanker
US5249203A (en) 1991-02-25 1993-09-28 Rockwell International Corporation Phase and gain error control system for use in an i/q direct conversion receiver
JP2749456B2 (en) 1991-03-06 1998-05-13 三菱電機株式会社 Wireless communication equipment
US5150124A (en) 1991-03-25 1992-09-22 Motorola, Inc. Bandpass filter demodulation for FM-CW systems
US5444865A (en) 1991-04-01 1995-08-22 Motorola, Inc. Generating transmit injection from receiver first and second injections
US5278826A (en) 1991-04-11 1994-01-11 Usa Digital Radio Method and apparatus for digital audio broadcasting and reception
US5315583A (en) 1991-04-11 1994-05-24 Usa Digital Radio Method and apparatus for digital audio broadcasting and reception
US5131014A (en) 1991-04-19 1992-07-14 General Instrument Corporation Apparatus and method for recovery of multiphase modulated data
US5239686A (en) 1991-04-29 1993-08-24 Echelon Corporation Transceiver with rapid mode switching capability
GB9109617D0 (en) 1991-05-03 1991-06-26 Texas Instruments Ltd Method and apparatus for signal processing
US5239687A (en) 1991-05-06 1993-08-24 Chen Shih Chung Wireless intercom having a transceiver in which a bias current for the condenser microphone and the driving current for the speaker are used to charge a battery during transmission and reception, respectively
US5355114A (en) 1991-05-10 1994-10-11 Echelon Corporation Reconstruction of signals using redundant channels
AU1918892A (en) 1991-05-10 1992-12-30 Echelon Corporation Power line communication while avoiding determinable interference harmonics
US5790587A (en) 1991-05-13 1998-08-04 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5337014A (en) 1991-06-21 1994-08-09 Harris Corporation Phase noise measurements utilizing a frequency down conversion/multiplier, direct spectrum measurement technique
US5260970A (en) 1991-06-27 1993-11-09 Hewlett-Packard Company Protocol analyzer pod for the ISDN U-interface
JPH05102899A (en) 1991-08-16 1993-04-23 Shiyoudenriyoku Kosoku Tsushin Kenkyusho:Kk Multi-frequency communication system
US5252865A (en) 1991-08-22 1993-10-12 Triquint Semiconductor, Inc. Integrating phase detector
US5151661A (en) 1991-08-26 1992-09-29 Westinghouse Electric Corp. Direct digital FM waveform generator for radar systems
FR2681994B1 (en) 1991-09-26 1994-09-30 Alcatel Telspace DIGITAL TRANSMISSION DEVICE COMPRISING A RECEIVER WITH CONSISTENT DEMODULATION DIRECTLY MADE IN MICROWAVE.
US5218562A (en) * 1991-09-30 1993-06-08 American Neuralogix, Inc. Hamming data correlator having selectable word-length
US5307517A (en) 1991-10-17 1994-04-26 Rich David A Adaptive notch filter for FM interference cancellation
FR2682841B1 (en) 1991-10-21 1993-11-19 Alcatel Telspace METHOD FOR DETECTING FALSE SNAPS OF A REFERENCE SIGNAL ON A SIGNAL INITIALLY MODULATED IN MULTIPLE OFFSET DIGITAL MODULATION, METHOD OF COHERENT DIGITAL DEMODULATION USING THE SAME.
US5222144A (en) 1991-10-28 1993-06-22 Ford Motor Company Digital quadrature radio receiver with two-step processing
JP2897795B2 (en) 1991-10-31 1999-05-31 日本電気株式会社 Sample and hold type phase comparator
US5204642A (en) 1991-10-31 1993-04-20 Advanced Micro Devices, Inc. Frequency controlled recursive oscillator having sinusoidal output
US5263198A (en) 1991-11-05 1993-11-16 Honeywell Inc. Resonant loop resistive FET mixer
IT1252132B (en) 1991-11-27 1995-06-05 Sits Soc It Telecom Siemens RADIOFREQUENCY FREQUENCY MULTIPLIER INCLUDING AN AUTOMATIC LEVEL CONTROL CIRCUIT
DE4241882A1 (en) 1991-12-13 1993-06-17 Clarion Co Ltd
JPH05168041A (en) 1991-12-16 1993-07-02 Sony Corp Video signal recorder
JPH05175734A (en) 1991-12-25 1993-07-13 Matsushita Electric Ind Co Ltd FM demodulator
JPH05175730A (en) 1991-12-25 1993-07-13 Fujitsu Ten Ltd Time division direct receiver
JPH05183456A (en) 1991-12-27 1993-07-23 Nec Corp Control signal generator
US5172019A (en) 1992-01-17 1992-12-15 Burr-Brown Corporation Bootstrapped FET sampling switch
JP2842725B2 (en) 1992-02-17 1999-01-06 日本電気株式会社 Digital to analog converter
JPH05259745A (en) 1992-03-11 1993-10-08 Sumitomo Electric Ind Ltd Mixer circuit
US5282222A (en) 1992-03-31 1994-01-25 Michel Fattouche Method and apparatus for multiple access between transceivers in wireless communications using OFDM spread spectrum
US5535402A (en) 1992-04-30 1996-07-09 The United States Of America As Represented By The Secretary Of The Navy System for (N•M)-bit correlation using N M-bit correlators
US5410541A (en) 1992-05-04 1995-04-25 Ivon International, Inc. System for simultaneous analog and digital communications over an analog channel
US5400084A (en) 1992-05-14 1995-03-21 Hitachi America, Ltd. Method and apparatus for NTSC signal interference cancellation using recursive digital notch filters
US5325204A (en) 1992-05-14 1994-06-28 Hitachi America, Ltd. Narrowband interference cancellation through the use of digital recursive notch filters
US5282023A (en) 1992-05-14 1994-01-25 Hitachi America, Ltd. Apparatus for NTSC signal interference cancellation through the use of digital recursive notch filters
JPH05327356A (en) 1992-05-22 1993-12-10 Sanyo Electric Co Ltd Frequency converter
EP0645063B1 (en) 1992-06-08 2002-06-12 Motorola, Inc. Receiver automatic gain control
JP3166321B2 (en) 1992-07-01 2001-05-14 日本電気株式会社 Modulated signal transmission system
US5465071A (en) 1992-07-13 1995-11-07 Canon Kabushiki Kaisha Information signal processing apparatus
US5465415A (en) 1992-08-06 1995-11-07 National Semiconductor Corporation Even order term mixer
US5493581A (en) 1992-08-14 1996-02-20 Harris Corporation Digital down converter and method
WO1994005087A1 (en) 1992-08-25 1994-03-03 Wireless Access, Inc. A direct conversion receiver for multiple protocols
WO1994006206A1 (en) 1992-08-27 1994-03-17 Motorola Inc. Push pull buffer with noise cancelling symmetry
US5471162A (en) 1992-09-08 1995-11-28 The Regents Of The University Of California High speed transient sampler
JPH0690225A (en) 1992-09-09 1994-03-29 Shodenryoku Kosoku Tsushin Kenkyusho:Kk Diversity radio receiver
FR2696598B1 (en) 1992-10-01 1994-11-04 Sgs Thomson Microelectronics Charge pump type voltage booster circuit with bootstrap oscillator.
US5594470A (en) 1992-10-02 1997-01-14 Teletransaction, Inc. Highly integrated portable electronic work slate unit
US5390215A (en) 1992-10-13 1995-02-14 Hughes Aircraft Company Multi-processor demodulator for digital cellular base station employing partitioned demodulation procedure with pipelined execution
US5428640A (en) 1992-10-22 1995-06-27 Digital Equipment Corporation Switch circuit for setting and signaling a voltage level
US5390364A (en) 1992-11-02 1995-02-14 Harris Corporation Least-mean squares adaptive digital filter havings variable size loop bandwidth
DE4237692C1 (en) 1992-11-07 1994-03-03 Grundig Emv Receiver for a digital broadcast signal
JP3111425B2 (en) 1992-11-18 2000-11-20 株式会社鷹山 Filter circuit
TW225067B (en) 1992-11-26 1994-06-11 Philips Electronics Nv
KR100355684B1 (en) 1992-11-26 2002-12-11 코닌클리케 필립스 일렉트로닉스 엔.브이. Direct conversion receiver
US5339459A (en) 1992-12-03 1994-08-16 Motorola, Inc. High speed sample and hold circuit and radio constructed therewith
US5410326A (en) 1992-12-04 1995-04-25 Goldstein; Steven W. Programmable remote control device for interacting with a plurality of remotely controlled devices
GB2274222A (en) 1993-01-08 1994-07-13 Plessey Semiconductors Ltd Transceivers
EP0606094B1 (en) 1993-01-08 1999-10-06 Sony Corporation Monolithic microwave integrated circuit
JP3025384B2 (en) 1993-01-13 2000-03-27 シャープ株式会社 Digital FM demodulator
US5661424A (en) 1993-01-27 1997-08-26 Gte Laboratories Incorporated Frequency hopping synthesizer using dual gate amplifiers
JPH06237276A (en) 1993-02-12 1994-08-23 Fujitsu Ltd Quadrature modulator
KR0183143B1 (en) 1993-02-17 1999-05-15 안쏘니 제이. 살리, 쥬니어 Multiple-modulation communication system
GB2277010B (en) 1993-03-01 1997-09-17 Texas Instruments Ltd A method of generation and demodulation of modulated signals and radio transmitters and receivers using the method
US5389839A (en) 1993-03-03 1995-02-14 Motorola, Inc. Integratable DC blocking circuit
KR100297012B1 (en) 1993-03-04 2001-10-24 에를링 블로메, 타게 뢰브그렌 Modular wireless communication system and method
FR2702903B1 (en) 1993-03-17 1995-05-24 Europ Agence Spatiale Receiver of radio frequency signals.
SG48871A1 (en) 1993-03-31 1998-05-18 British Telecomm Optical communications
US5495200A (en) 1993-04-06 1996-02-27 Analog Devices, Inc. Double sampled biquad switched capacitor filter
US5523760A (en) 1993-04-12 1996-06-04 The Regents Of The University Of California Ultra-wideband receiver
US5392460A (en) 1993-04-23 1995-02-21 Nokia Mobile Phones Ltd. Dual mode radiotelephone terminal selectively operable for frequency modulated or phase modulated operation
US5465418A (en) 1993-04-29 1995-11-07 Drexel University Self-oscillating mixer circuits and methods therefor
US5369404A (en) 1993-04-30 1994-11-29 The Regents Of The University Of California Combined angle demodulator and digitizer
US5479447A (en) 1993-05-03 1995-12-26 The Board Of Trustees Of The Leland Stanford, Junior University Method and apparatus for adaptive, variable bandwidth, high-speed data transmission of a multicarrier signal over digital subscriber lines
US5375146A (en) 1993-05-06 1994-12-20 Comsat Corporation Digital frequency conversion and tuning scheme for microwave radio receivers and transmitters
FR2705176B1 (en) 1993-05-12 1995-07-21 Suisse Electronique Microtech FM RADIO RECEIVER COMPRISING A SUPERCHAMPLE CIRCUIT.
JP2912791B2 (en) 1993-06-01 1999-06-28 松下電器産業株式会社 High frequency receiver
US5438329A (en) 1993-06-04 1995-08-01 M & Fc Holding Company, Inc. Duplex bi-directional multi-mode remote instrument reading and telemetry system
US5410743A (en) 1993-06-14 1995-04-25 Motorola, Inc. Active image separation mixer
CA2120077A1 (en) 1993-06-17 1994-12-18 Louis Labreche System and method for modulating a carrier frequency
GB2284955A (en) 1993-06-21 1995-06-21 Motorola Inc Apparatus and method for frequency translation in a communication device
US5423082A (en) 1993-06-24 1995-06-06 Motorola, Inc. Method for a transmitter to compensate for varying loading without an isolator
CA2125468C (en) 1993-06-28 1998-04-21 Danny Thomas Pinckley Method of selectively reducing spectral components in a wideband radio frequency signal
US5495202A (en) 1993-06-30 1996-02-27 Hughes Aircraft Company High spectral purity digital waveform synthesizer
US5347280A (en) 1993-07-02 1994-09-13 Texas Instruments Deutschland Gmbh Frequency diversity transponder arrangement
US5490173A (en) 1993-07-02 1996-02-06 Ford Motor Company Multi-stage digital RF translator
GB9313981D0 (en) 1993-07-06 1993-08-18 Plessey Semiconductors Ltd Wide-band microwave modulator arrangements
JP3189508B2 (en) 1993-07-08 2001-07-16 株式会社村田製作所 Surface acoustic wave filter
JP3139225B2 (en) 1993-07-08 2001-02-26 株式会社村田製作所 Surface acoustic wave filter
US5428638A (en) 1993-08-05 1995-06-27 Wireless Access Inc. Method and apparatus for reducing power consumption in digital communications devices
US5440311A (en) 1993-08-06 1995-08-08 Martin Marietta Corporation Complementary-sequence pulse radar with matched filtering and Doppler tolerant sidelobe suppression preceding Doppler filtering
FI107855B (en) 1993-09-10 2001-10-15 Nokia Mobile Phones Ltd Demodulation of mf signal with sigma-delta converter
US5617451A (en) 1993-09-13 1997-04-01 Matsushita Electric Industrial Co., Ltd. Direct-conversion receiver for digital-modulation signal with signal strength detection
GB2282030B (en) 1993-09-14 1997-09-24 Plessey Semiconductors Ltd Direct conversion receiver
US5454007A (en) 1993-09-24 1995-09-26 Rockwell International Corporation Arrangement for and method of concurrent quadrature downconversion input sampling of a bandpass signal
US5481570A (en) 1993-10-20 1996-01-02 At&T Corp. Block radio and adaptive arrays for wireless systems
US5434546A (en) 1993-11-15 1995-07-18 Palmer; James K. Circuit for simultaneous amplitude modulation of a number of signals
US5539770A (en) 1993-11-19 1996-07-23 Victor Company Of Japan, Ltd. Spread spectrum modulating apparatus using either PSK or FSK primary modulation
US5422909A (en) 1993-11-30 1995-06-06 Motorola, Inc. Method and apparatus for multi-phase component downconversion
KR100217715B1 (en) 1993-12-31 1999-09-01 윤종용 Up-link system in ds/cdma
US5454009A (en) 1994-01-13 1995-09-26 Scientific-Atlanta, Inc. Method and apparatus for providing energy dispersal using frequency diversity in a satellite communications system
US5574755A (en) 1994-01-25 1996-11-12 Philips Electronics North America Corporation I/Q quadraphase modulator circuit
US5463356A (en) 1994-01-28 1995-10-31 Palmer; James K. FM band multiple signal modulator
US5446421A (en) 1994-02-02 1995-08-29 Thomson Consumer Electronics, Inc. Local oscillator phase noise cancelling modulation technique
US5552789A (en) 1994-02-14 1996-09-03 Texas Instruments Deutschland Gmbh Integrated vehicle communications system
US5483600A (en) 1994-02-14 1996-01-09 Aphex Systems, Ltd. Wave dependent compressor
US5410270A (en) 1994-02-14 1995-04-25 Motorola, Inc. Differential amplifier circuit having offset cancellation and method therefor
US5523719A (en) 1994-02-15 1996-06-04 Rockwell International Corporation Component insensitive, analog bandpass filter
US5809060A (en) 1994-02-17 1998-09-15 Micrilor, Inc. High-data-rate wireless local-area network
GB2286950B (en) 1994-02-22 1998-06-17 Roke Manor Research A direct conversion receiver
US5483549A (en) 1994-03-04 1996-01-09 Stanford Telecommunications, Inc. Receiver having for charge-coupled-device based receiver signal processing
US5557641A (en) 1994-03-04 1996-09-17 Stanford Telecommunications, Inc. Charge-coupled-device based transmitters and receivers
US5682099A (en) 1994-03-14 1997-10-28 Baker Hughes Incorporated Method and apparatus for signal bandpass sampling in measurement-while-drilling applications
HU0004768D0 (en) 1994-03-31 2001-02-28 Arbitron Co
TW257917B (en) 1994-04-12 1995-09-21 Philips Electronics Nv Receiver comprising a pulse count FM demodulator, and pulse count FM demodulator
US5412352A (en) 1994-04-18 1995-05-02 Stanford Telecommunications, Inc. Modulator having direct digital synthesis for broadband RF transmission
JPH07307620A (en) 1994-05-11 1995-11-21 Fujitsu Ltd Bottom detection circuit
MY113061A (en) 1994-05-16 2001-11-30 Sanyo Electric Co Diversity reception device
US5416449A (en) 1994-05-23 1995-05-16 Synergy Microwave Corporation Modulator with harmonic mixers
US5564097A (en) 1994-05-26 1996-10-08 Rockwell International Spread intermediate frequency radio receiver with adaptive spurious rejection
FR2720880B1 (en) 1994-06-06 1996-08-02 Fournier Jean Michel Device for suppressing the image signal from a basic signal transposed to an intermediate frequency.
US5640415A (en) 1994-06-10 1997-06-17 Vlsi Technology, Inc. Bit error performance of a frequency hopping, radio communication system
US5517688A (en) 1994-06-20 1996-05-14 Motorola, Inc. MMIC FET mixer and method
US5907149A (en) 1994-06-27 1999-05-25 Polaroid Corporation Identification card with delimited usage
WO1996002977A1 (en) 1994-07-13 1996-02-01 Stanford Telecommunications, Inc. Method and apparatus for alias-driven frequency downconversion (mixing)
JPH0832556A (en) 1994-07-15 1996-02-02 Matsushita Electric Ind Co Ltd Data transceiver
EP0696854A1 (en) 1994-08-08 1996-02-14 THOMSON multimedia S.A. Broadcast receiver adapted for analog and digital signals
US5495500A (en) 1994-08-09 1996-02-27 Intermec Corporation Homodyne radio architecture for direct sequence spread spectrum data reception
JP3142222B2 (en) 1994-08-22 2001-03-07 松下電器産業株式会社 Spread spectrum communication synchronization method and circuit device thereof
US5703584A (en) 1994-08-22 1997-12-30 Adaptec, Inc. Analog data acquisition system
KR100346966B1 (en) 1994-09-02 2002-11-30 코닌클리케 필립스 일렉트로닉스 엔.브이. Receiver with quadrature decimation stage, method of processing digital signals
US5551076A (en) 1994-09-06 1996-08-27 Motorola, Inc. Circuit and method of series biasing a single-ended mixer
US5742189A (en) 1994-09-16 1998-04-21 Kabushiki Kaisha Toshiba Frequency conversion circuit and radio communication apparatus with the same
JP3178997B2 (en) 1994-09-16 2001-06-25 株式会社東芝 Frequency conversion circuit and wireless communication device provided with this frequency conversion circuit
US5638396A (en) 1994-09-19 1997-06-10 Textron Systems Corporation Laser ultrasonics-based material analysis system and method
US5757299A (en) 1994-09-30 1998-05-26 Yamaha Corporation Analog-Digital converter using delta sigma modulation digital filtering, and gain-scaling
WO1996011527A1 (en) 1994-10-07 1996-04-18 Massachusetts Institute Of Technology Quadrature sampling system and hybrid equalizer
GB2324919B (en) 1994-10-12 1999-01-27 Hewlett Packard Co Modulation and frequency conversion by time sharing
US5920842A (en) 1994-10-12 1999-07-06 Pixel Instruments Signal synchronization
US5523726A (en) 1994-10-13 1996-06-04 Westinghouse Electric Corporation Digital quadriphase-shift keying modulator
US5768323A (en) 1994-10-13 1998-06-16 Westinghouse Electric Corporation Symbol synchronizer using modified early/punctual/late gate technique
US5471665A (en) 1994-10-18 1995-11-28 Motorola, Inc. Differential DC offset compensation circuit
JP3581448B2 (en) 1994-10-21 2004-10-27 キヤノン株式会社 Spread spectrum communication equipment
US5805460A (en) 1994-10-21 1998-09-08 Alliedsignal Inc. Method for measuring RF pulse rise time, fall time and pulse width
US5953642A (en) 1994-10-26 1999-09-14 Siemens Aktiengesellschaft System for contactless power and data transmission
US5650785A (en) 1994-11-01 1997-07-22 Trimble Navigation Limited Low power GPS receiver
US5678226A (en) 1994-11-03 1997-10-14 Watkins Johnson Company Unbalanced FET mixer
ES2153849T3 (en) 1994-11-07 2001-03-16 Cit Alcatel TRANSMISSION MIXER WITH INPUT IN CURRENT MODE.
CN1087120C (en) 1994-11-10 2002-07-03 松下电器产业株式会社 Direct Conversion Receiver
JP2950739B2 (en) 1994-11-11 1999-09-20 沖電気工業株式会社 Dual mode transmitter
JP3478508B2 (en) 1994-11-22 2003-12-15 ユニデン株式会社 Wireless communication device
US5465410A (en) 1994-11-22 1995-11-07 Motorola, Inc. Method and apparatus for automatic frequency and bandwidth control
EP0714035A1 (en) 1994-11-24 1996-05-29 The Furukawa Electric Co., Ltd. Radar device
US5680418A (en) 1994-11-28 1997-10-21 Ericsson, Inc. Removing low frequency interference in a digital FM receiver
US5515014A (en) 1994-11-30 1996-05-07 At&T Corp. Interface between SAW filter and Gilbert cell mixer
CN1501590A (en) 1994-11-30 2004-06-02 ���µ�����ҵ��ʽ���� receiving circuit
US5648985A (en) 1994-11-30 1997-07-15 Rockwell Semiconductor Systems, Inc. Universal radio architecture for low-tier personal communication system
US5621455A (en) 1994-12-01 1997-04-15 Objective Communications, Inc. Video modem for transmitting video data over ordinary telephone wires
US5903178A (en) 1994-12-16 1999-05-11 Matsushita Electronics Corporation Semiconductor integrated circuit
US5714910A (en) 1994-12-19 1998-02-03 Efratom Time And Frequency Products, Inc. Methods and apparatus for digital frequency generation in atomic frequency standards
US5724653A (en) 1994-12-20 1998-03-03 Lucent Technologies Inc. Radio receiver with DC offset correction circuit
ZA9510509B (en) 1994-12-23 1996-05-30 Qualcomm Inc Dual-mode digital FM communication system
JP3084196B2 (en) 1994-12-27 2000-09-04 アイコム株式会社 Wireless communication equipment
US5579347A (en) 1994-12-28 1996-11-26 Telefonaktiebolaget Lm Ericsson Digitally compensated direct conversion receiver
US5748683A (en) 1994-12-29 1998-05-05 Motorola, Inc. Multi-channel transceiver having an adaptive antenna array and method
US5668836A (en) 1994-12-29 1997-09-16 Motorola, Inc. Split frequency band signal digitizer and method
US5572262A (en) 1994-12-29 1996-11-05 Philips Electronics North America Corporation Receiver based methods and devices for combating co-channel NTSC interference in digital transmission
US5579341A (en) 1994-12-29 1996-11-26 Motorola, Inc. Multi-channel digital transceiver and method
JP2571033B2 (en) 1994-12-30 1997-01-16 日本電気株式会社 Output control circuit of transmission power amplifier
JPH08223065A (en) 1995-02-13 1996-08-30 Toshiba Corp Frequency converter
US5995030A (en) 1995-02-16 1999-11-30 Advanced Micro Devices Apparatus and method for a combination D/A converter and FIR filter employing active current division from a single current source
EP0729230B1 (en) 1995-02-21 2002-10-02 Tait Electronics Limited Zero intermediate frequency receiver
US5915278A (en) 1995-02-27 1999-06-22 Mallick; Brian C. System for the measurement of rotation and translation for modal analysis
FR2731310B1 (en) 1995-03-02 1997-04-11 Alcatel Telspace DEVICE AND METHOD FOR MULTIDEBIT RECEPTION WITH SINGLE FILTERING OF INTERPOLATION AND ADAPTATION
US5606731A (en) 1995-03-07 1997-02-25 Motorola, Inc. Zerox-IF receiver with tracking second local oscillator and demodulator phase locked loop oscillator
FR2731853B1 (en) 1995-03-17 1997-06-06 Valeo Electronique SAMPLING DEMODULATION METHOD AND DEVICE, PARTICULARLY FOR A MOTOR VEHICLE ALARM SYSTEM
US5483193A (en) 1995-03-24 1996-01-09 Ford Motor Company Circuit for demodulating FSK signals
US5697074A (en) 1995-03-30 1997-12-09 Nokia Mobile Phones Limited Dual rate power control loop for a transmitter
US5737035A (en) 1995-04-21 1998-04-07 Microtune, Inc. Highly integrated television tuner on a single microcircuit
JPH08307159A (en) 1995-04-27 1996-11-22 Sony Corp High frequency amplifier circuit, transmitter and receiver
US5640424A (en) 1995-05-16 1997-06-17 Interstate Electronics Corporation Direct downconverter circuit for demodulator in digital data transmission system
US5640698A (en) 1995-06-06 1997-06-17 Stanford University Radio frequency signal reception using frequency shifting by discrete-time sub-sampling down-conversion
US5635864A (en) 1995-06-07 1997-06-03 Discovision Associates Comparator circuit
US5764087A (en) 1995-06-07 1998-06-09 Aai Corporation Direct digital to analog microwave frequency signal simulator
US5793818A (en) 1995-06-07 1998-08-11 Discovision Associates Signal processing system
KR100395584B1 (en) 1995-06-08 2004-02-11 코닌클리케 필립스 일렉트로닉스 엔.브이. Transmission system using transmitter with phase modulator and frequency multiplier
US5675392A (en) 1995-06-21 1997-10-07 Sony Corporation Mixer with common-mode noise rejection
US6014176A (en) 1995-06-21 2000-01-11 Sony Corporation Automatic phase control apparatus for phase locking the chroma burst of analog and digital video data using a numerically controlled oscillator
US5812786A (en) 1995-06-21 1998-09-22 Bell Atlantic Network Services, Inc. Variable rate and variable mode transmission system
US5903827A (en) 1995-07-07 1999-05-11 Fujitsu Compound Semiconductor, Inc. Single balanced frequency downconverter for direct broadcast satellite transmissions and hybrid ring signal combiner
JP3189631B2 (en) 1995-07-10 2001-07-16 株式会社村田製作所 Mixer
JPH0936664A (en) 1995-07-19 1997-02-07 Victor Co Of Japan Ltd Frequency conversion circuit
US5745846A (en) 1995-08-07 1998-04-28 Lucent Technologies, Inc. Channelized apparatus for equalizing carrier powers of multicarrier signal
JP4091671B2 (en) 1995-08-08 2008-05-28 松下電器産業株式会社 DC offset compensator
WO1997007529A1 (en) 1995-08-21 1997-02-27 Diasense, Inc. Synchronous detection for photoconductive detectors
US6026286A (en) 1995-08-24 2000-02-15 Nortel Networks Corporation RF amplifier, RF mixer and RF receiver
US5636140A (en) 1995-08-25 1997-06-03 Advanced Micro Devices, Inc. System and method for a flexible MAC layer interface in a wireless local area network
US5563550A (en) 1995-08-28 1996-10-08 Lockheed Martin Corporation Recovery of data from amplitude modulated signals with self-coherent demodulation
US6072994A (en) 1995-08-31 2000-06-06 Northrop Grumman Corporation Digitally programmable multifunction radio system architecture
US5859878A (en) 1995-08-31 1999-01-12 Northrop Grumman Corporation Common receive module for a programmable digital radio
US5903823A (en) 1995-09-19 1999-05-11 Fujitsu Limited Radio apparatus with distortion compensating function
US5602847A (en) 1995-09-27 1997-02-11 Lucent Technologies Inc. Segregated spectrum RF downconverter for digitization systems
CN1081850C (en) 1995-09-29 2002-03-27 松下电器产业株式会社 Power amplifier and communication device
JPH09114591A (en) * 1995-10-12 1997-05-02 Semiconductor Energy Lab Co Ltd Liquid crystal display and its display method
FR2739938B1 (en) 1995-10-17 1997-11-07 Sextant Avionique RECEIVER FOR DETERMINING A POSITION FROM SATELLITE ARRAYS
GB9521769D0 (en) 1995-10-24 1996-01-03 Philips Electronics Nv Transmitter
JPH09121124A (en) 1995-10-25 1997-05-06 Fujitsu Ltd Double-balanced mixer circuit
KR19990028989A (en) 1995-11-07 1999-04-15 타케시 이케다 Tuned amplifier
FR2741221B1 (en) 1995-11-13 1997-12-05 Alcatel Telspace DIRECT DEMODULATION STAGE OF A PHASE QUADRATURE MODULATED SIGNAL AND RECEIVER COMPRISING SUCH A DEMODULATION STAGE
US5721514A (en) 1995-11-22 1998-02-24 Efratom Time And Frequency Products, Inc. Digital frequency generation in atomic frequency standards using digital phase shifting
US5778022A (en) 1995-12-06 1998-07-07 Rockwell International Corporation Extended time tracking and peak energy in-window demodulation for use in a direct sequence spread spectrum system
JP3406443B2 (en) 1995-12-08 2003-05-12 日本ビクター株式会社 Wireless transmission equipment
US5887001A (en) 1995-12-13 1999-03-23 Bull Hn Information Systems Inc. Boundary scan architecture analog extension with direct connections
FR2742620B1 (en) 1995-12-15 1998-02-20 Matra Communication IMAGE FREQUENCY REJECTION MIXER
US5710998A (en) 1995-12-19 1998-01-20 Motorola, Inc. Method and apparatus for improved zero intermediate frequency receiver latency
JPH09171399A (en) 1995-12-19 1997-06-30 Kokusai Electric Co Ltd Speech synthesis method and its synthesis circuit
US5705955A (en) 1995-12-21 1998-01-06 Motorola, Inc. Frequency locked-loop using a microcontroller as a comparator
JP3338747B2 (en) 1995-12-28 2002-10-28 日本電気株式会社 Interference wave canceller
FR2743227B1 (en) 1995-12-29 1998-03-06 Thomson Broadcast Systems MONOLITHICALLY INTEGRATED FREQUENCY DEMODULATOR DEVICE
FR2743231B1 (en) 1995-12-29 1998-01-30 Thomson Multimedia Sa METHOD AND DEVICE FOR FREQUENCY DIVERSITY OF A SHF CARRIER
US5736895A (en) 1996-01-16 1998-04-07 Industrial Technology Research Institute Biquadratic switched-capacitor filter using single operational amplifier
US5901347A (en) 1996-01-17 1999-05-04 Motorola, Inc. Fast automatic gain control circuit and method for zero intermediate frequency receivers and radiotelephone using same
US5864754A (en) 1996-02-05 1999-01-26 Hotto; Robert System and method for radio signal reconstruction using signal processor
US5697091A (en) 1996-02-07 1997-12-09 Ford Motor Company Distortion-free chopper-based signal mixer
SE519541C2 (en) 1996-10-02 2003-03-11 Ericsson Telefon Ab L M Method and apparatus for transforming a real digital broadband bandpass signal into a set of digital baseband signals with I and Q components
US5732333A (en) 1996-02-14 1998-03-24 Glenayre Electronics, Inc. Linear transmitter using predistortion
JP2782057B2 (en) 1996-02-19 1998-07-30 株式会社鷹山 Despreading circuit for spread spectrum communication systems.
US5729829A (en) 1996-02-29 1998-03-17 American Nucleonics Corporation Interference mitigation method and apparatus for multiple collocated transceivers
US6160280A (en) 1996-03-04 2000-12-12 Motorola, Inc. Field effect transistor
US5689413A (en) 1996-03-04 1997-11-18 Motorola, Inc. Voltage convertor for a portable electronic device
GB2311194B (en) 1996-03-12 2000-05-31 Nokia Mobile Phones Ltd Transmitting and receiving radio signals
JP3712291B2 (en) 1996-03-12 2005-11-02 和夫 坪内 Wireless switch device using surface acoustic wave device
JPH09251651A (en) 1996-03-15 1997-09-22 Toshiba Corp Phase difference voltage generating circuit
KR100193862B1 (en) 1996-03-19 1999-06-15 윤종용 Frequency converter to get stable frequency
JP3125675B2 (en) 1996-03-29 2001-01-22 三菱電機株式会社 Capacitive sensor interface circuit
DE19610760A1 (en) 1996-03-19 1997-09-25 Telefunken Microelectron Transceiver switch with semiconductors
US5663878A (en) 1996-03-21 1997-09-02 Unitrode Corporation Apparatus and method for generating a low frequency AC signal
US5663986A (en) 1996-03-25 1997-09-02 The United States Of America As Represented By The Secretary Of The Navy Apparatus and method of transmitting data over a coaxial cable in a noisy environment
FI100286B (en) 1996-04-01 1997-10-31 Nokia Mobile Phones Ltd Transmitter / receiver for transmitting and receiving an RF signal in two frequency ranges
US6182011B1 (en) 1996-04-01 2001-01-30 The United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration Method and apparatus for determining position using global positioning satellites
JPH10229378A (en) 1996-04-02 1998-08-25 Sharp Corp Matched filter
US6194978B1 (en) 1996-04-08 2001-02-27 Harry A. Romano Interrupt modulation method and apparatus
JP3255843B2 (en) 1996-04-17 2002-02-12 沖電気工業株式会社 Digital / Analog Dual Circuit in Dual Mode Radio Equipment
US5754056A (en) 1996-04-23 1998-05-19 David Sarnoff Research Center, Inc. Charge detector with long integration time
US5847594A (en) 1996-04-26 1998-12-08 Hamamatsu Photonics K.K. Solid-state image sensing device
US5768118A (en) 1996-05-01 1998-06-16 Compaq Computer Corporation Reciprocating converter
US5787125A (en) 1996-05-06 1998-07-28 Motorola, Inc. Apparatus for deriving in-phase and quadrature-phase baseband signals from a communication signal
US5729577A (en) 1996-05-21 1998-03-17 Motorola, Inc. Signal processor with improved efficiency
US6067329A (en) 1996-05-31 2000-05-23 Matsushita Electric Industrial Co., Ltd. VSB demodulator
JP3576702B2 (en) 1996-06-12 2004-10-13 富士通株式会社 Variable high-pass filter
US5724002A (en) 1996-06-13 1998-03-03 Acrodyne Industries, Inc. Envelope detector including sample-and-hold circuit controlled by preceding carrier pulse peak(s)
US5900746A (en) 1996-06-13 1999-05-04 Texas Instruments Incorporated Ultra low jitter differential to fullswing BiCMOS comparator with equal rise/fall time and complementary outputs
US5841324A (en) 1996-06-20 1998-11-24 Harris Corporation Charge-based frequency locked loop and method
US5930301A (en) 1996-06-25 1999-07-27 Harris Corporation Up-conversion mechanism employing side lobe-selective pre-distortion filter and frequency replica-selecting bandpass filter respectively installed upstream and downstream of digital-to-analog converter
US5884154A (en) 1996-06-26 1999-03-16 Raytheon Company Low noise mixer circuit having passive inductor elements
US6185257B1 (en) 1996-06-28 2001-02-06 U.S. Philips Corporation Method for simplifying the demodulation in multiple carrier transmission system
US5898912A (en) 1996-07-01 1999-04-27 Motorola, Inc. Direct current (DC) offset compensation method and apparatus
US6005903A (en) * 1996-07-08 1999-12-21 Mendelovicz; Ephraim Digital correlator
US5793801A (en) 1996-07-09 1998-08-11 Telefonaktiebolaget Lm Ericsson Frequency domain signal reconstruction compensating for phase adjustments to a sampling signal
US5699006A (en) 1996-07-12 1997-12-16 Motorola, Inc. DC blocking apparatus and technique for sampled data filters
US6028887A (en) 1996-07-12 2000-02-22 General Electric Company Power efficient receiver
US5710992A (en) 1996-07-12 1998-01-20 Uniden America Corporation Chain search in a scanning receiver
US5896304A (en) * 1996-07-12 1999-04-20 General Electric Company Low power parallel correlator for measuring correlation between digital signal segments
FI117841B (en) 1996-07-18 2007-03-15 Nokia Corp Device for transmitting and receiving RF signal in two frequency ranges
JPH1041860A (en) 1996-07-22 1998-02-13 Kokusai Electric Co Ltd Echo canceller
US5911123A (en) 1996-07-31 1999-06-08 Siemens Information And Communications Networks, Inc. System and method for providing wireless connections for single-premises digital telephones
US5802463A (en) 1996-08-20 1998-09-01 Advanced Micro Devices, Inc. Apparatus and method for receiving a modulated radio frequency signal by converting the radio frequency signal to a very low intermediate frequency signal
US6330244B1 (en) 1996-09-05 2001-12-11 Jerome Swartz System for digital radio communication between a wireless lan and a PBX
US5956345A (en) 1996-09-13 1999-09-21 Lucent Technologies Inc. IS-95 compatible wideband communication scheme
US5705949A (en) 1996-09-13 1998-01-06 U.S. Robotics Access Corp. Compensation method for I/Q channel imbalance errors
US5894496A (en) 1996-09-16 1999-04-13 Ericsson Inc. Method and apparatus for detecting and compensating for undesired phase shift in a radio transceiver
US6018553A (en) 1996-09-18 2000-01-25 Wireless Access Multi-level mixer architecture for direct conversion of FSK signals
US5818582A (en) 1996-09-19 1998-10-06 Ciencia, Inc. Apparatus and method for phase fluorometry
US5878088A (en) 1997-04-10 1999-03-02 Thomson Consumer Electronics, Inc. Digital variable symbol timing recovery system for QAM
US5870670A (en) 1996-09-23 1999-02-09 Motorola, Inc. Integrated image reject mixer
JP3218189B2 (en) 1996-09-24 2001-10-15 株式会社クボタ Distance measuring device
JPH10117220A (en) 1996-10-11 1998-05-06 Hitachi Denshi Ltd Digital demodulator
US5945660A (en) 1996-10-16 1999-08-31 Matsushita Electric Industrial Co., Ltd. Communication system for wireless bar code reader
JPH10126307A (en) 1996-10-21 1998-05-15 Murata Mfg Co Ltd High-frequency composite component
US5767726A (en) 1996-10-21 1998-06-16 Lucent Technologies Inc. Four terminal RF mixer device
US5909447A (en) 1996-10-29 1999-06-01 Stanford Telecommunications, Inc. Class of low cross correlation palindromic synchronization sequences for time tracking in synchronous multiple access communication systems
US5905433A (en) 1996-11-25 1999-05-18 Highwaymaster Communications, Inc. Trailer communications system
DE19648915C2 (en) 1996-11-26 2001-02-22 Temic Semiconductor Gmbh Frequency conversion procedures
JP3557059B2 (en) 1996-11-27 2004-08-25 富士通株式会社 Pulse width control device
JPH10163756A (en) 1996-11-28 1998-06-19 Fujitsu Ltd Automatic frequency control device
FR2756686B1 (en) 1996-11-29 1999-02-19 Thomson Csf METHOD AND DEVICE FOR ANALOG AND DIGITAL MIXED BROADCASTING OF RADIO TRANSMISSION BROADCASTED BY THE SAME TRANSMITTER
FR2756682B1 (en) 1996-12-03 1999-05-14 Schneider Electric Sa PHOTOELECTRIC CELL WITH STABILIZED AMPLIFICATION
JP3884115B2 (en) 1996-12-10 2007-02-21 三菱電機株式会社 Digital matched filter
JP3410620B2 (en) 1996-12-16 2003-05-26 シャープ株式会社 U / D tuner
US5834985A (en) 1996-12-20 1998-11-10 Telefonaktiebolaget L M Ericsson (Publ) Digital continuous phase modulation for a DDS-driven phase locked loop
US5970053A (en) 1996-12-24 1999-10-19 Rdl, Inc. Method and apparatus for controlling peak factor of coherent frequency-division-multiplexed systems
JP3979690B2 (en) 1996-12-27 2007-09-19 富士通株式会社 Semiconductor memory device system and semiconductor memory device
US5937013A (en) 1997-01-03 1999-08-10 The Hong Kong University Of Science & Technology Subharmonic quadrature sampling receiver and design
US6031217A (en) 1997-01-06 2000-02-29 Texas Instruments Incorporated Apparatus and method for active integrator optical sensors
US5901348A (en) 1997-01-10 1999-05-04 Ail Systems, Inc. Apparatus for enhancing sensitivity in compressive receivers and method for the same
GB2321149B (en) 1997-01-11 2001-04-04 Plessey Semiconductors Ltd Low voltage double balanced mixer
GB2321352B (en) 1997-01-11 2001-04-04 Plessey Semiconductors Ltd Image reject mixer
US5926513A (en) 1997-01-27 1999-07-20 Alcatel Alsthom Compagnie Generale D'electricite Receiver with analog and digital channel selectivity
US5881375A (en) 1997-01-31 1999-03-09 Glenayre Electronics, Inc. Paging transmitter having broadband exciter using an intermediate frequency above the transmit frequency
DE19703889C1 (en) 1997-02-03 1998-02-19 Bosch Gmbh Robert Scanning phase detector device
US6091939A (en) 1997-02-18 2000-07-18 Ericsson Inc. Mobile radio transmitter with normal and talk-around frequency bands
EP0862274A1 (en) 1997-02-26 1998-09-02 TELEFONAKTIEBOLAGET L M ERICSSON (publ) A method of and a device for analog signal sampling
DE19708163A1 (en) 1997-02-28 1998-09-10 Bosch Gmbh Robert Circuit for signal processing of signals occurring in a heterodyne interferometer
EP0863606B1 (en) 1997-03-05 2003-09-24 Nec Corporation Direct conversion receiver capable of cancelling DC offset voltages
JPH10247952A (en) 1997-03-05 1998-09-14 Fujitsu Ltd Phase modulator
JP3911788B2 (en) 1997-03-10 2007-05-09 ソニー株式会社 Solid-state imaging device and driving method thereof
US5918167A (en) 1997-03-11 1999-06-29 Northern Telecom Limited Quadrature downconverter local oscillator leakage canceller
EP0900481B1 (en) 1997-03-12 2006-06-14 Koninklijke Philips Electronics N.V. A frequency conversion circuit
US5903196A (en) 1997-04-07 1999-05-11 Motorola, Inc. Self centering frequency multiplier
JPH10294676A (en) 1997-04-17 1998-11-04 Yozan:Kk Standby circuit
US5894239A (en) 1997-04-18 1999-04-13 International Business Machines Corporation Single shot with pulse width controlled by reference oscillator
GB2325102B (en) 1997-05-09 2001-10-10 Nokia Mobile Phones Ltd Down conversion mixer
US6169733B1 (en) 1997-05-12 2001-01-02 Northern Telecom Limited Multiple mode capable radio receiver device
US7209523B1 (en) 1997-05-16 2007-04-24 Multispectral Solutions, Inc. Ultra-wideband receiver and transmitter
US5999561A (en) 1997-05-20 1999-12-07 Sanconix, Inc. Direct sequence spread spectrum method, computer-based product, apparatus and system tolerant to frequency reference offset
GB2326038A (en) 1997-06-06 1998-12-09 Nokia Mobile Phones Ltd Signal level balancing in quadrature receiver
US5956025A (en) 1997-06-09 1999-09-21 Philips Electronics North America Corporation Remote with 3D organized GUI for a home entertainment system
US5825257A (en) 1997-06-17 1998-10-20 Telecommunications Research Laboratories GMSK modulator formed of PLL to which continuous phase modulated signal is applied
US6608647B1 (en) 1997-06-24 2003-08-19 Cognex Corporation Methods and apparatus for charge coupled device image acquisition with independent integration and readout
WO1999000997A1 (en) 1997-06-27 1999-01-07 Koninklijke Philips Electronics N.V. Power supply switching in a radio communication device
US5907197A (en) 1997-06-30 1999-05-25 Compaq Computer Corporation AC/DC portable power connecting architecture
KR100268648B1 (en) 1997-07-14 2000-10-16 이계철 Low frequency filter
US5834987A (en) 1997-07-30 1998-11-10 Ercisson Inc. Frequency synthesizer systems and methods for three-point modulation with a DC response
US5892380A (en) 1997-08-04 1999-04-06 Motorola, Inc. Method for shaping a pulse width and circuit therefor
DE69826829T2 (en) 1997-08-12 2005-10-20 Koninklijke Philips Electronics N.V. DIGITAL COMMUNICATION DEVICE
US5872446A (en) 1997-08-12 1999-02-16 International Business Machines Corporation Low voltage CMOS analog multiplier with extended input dynamic range
DE19735798C1 (en) 1997-08-18 1998-07-16 Siemens Ag Transceiver device for mobile radio telephone
US6298065B1 (en) 1997-08-29 2001-10-02 Lucent Technologies Inc. Method for multi-mode operation of a subscriber line card in a telecommunications system
US5982315A (en) 1997-09-12 1999-11-09 Qualcomm Incorporated Multi-loop Σ Δ analog to digital converter
JP3419658B2 (en) 1997-09-17 2003-06-23 株式会社東芝 Demodulator for digital wireless communication
US5949827A (en) 1997-09-19 1999-09-07 Motorola, Inc. Continuous integration digital demodulator for use in a communication device
JPH11103215A (en) 1997-09-26 1999-04-13 Matsushita Electric Ind Co Ltd Microwave mixer circuit and down converter
JPH11112882A (en) 1997-09-30 1999-04-23 Olympus Optical Co Ltd Image pickup device
US6047026A (en) 1997-09-30 2000-04-04 Ohm Technologies International, Llc Method and apparatus for automatic equalization of very high frequency multilevel and baseband codes using a high speed analog decision feedback equalizer
SE514795C2 (en) 1997-10-03 2001-04-23 Ericsson Telefon Ab L M Device and method for up and down conversion
US6385439B1 (en) 1997-10-31 2002-05-07 Telefonaktiebolaget Lm Ericsson (Publ) Linear RF power amplifier with optically activated switches
US5883548A (en) 1997-11-10 1999-03-16 The United States Of America As Represented By The Secretary Of The Navy Demodulation system and method for recovering a signal of interest from an undersampled, modulated carrier
US6054889A (en) 1997-11-11 2000-04-25 Trw Inc. Mixer with improved linear range
US6330292B1 (en) 1997-11-11 2001-12-11 Telefonaktiebolaget Lm Ericsson Reduced power matched filter
US6567483B1 (en) 1997-11-11 2003-05-20 Ericsson, Inc. Matched filter using time-multiplexed precombinations
KR100297340B1 (en) 1997-11-18 2001-10-26 이형도 Asymmetry flyback converter
US6005506A (en) 1997-12-09 1999-12-21 Qualcomm, Incorporated Receiver with sigma-delta analog-to-digital converter for sampling a received signal
US6049573A (en) 1997-12-11 2000-04-11 Massachusetts Institute Of Technology Efficient polyphase quadrature digital tuner
US5901054A (en) 1997-12-18 1999-05-04 Chun-Shan Institute Of Science And Technology Pulse-width-modulation control circuit
US6151354A (en) 1997-12-19 2000-11-21 Rockwell Science Center Multi-mode, multi-band, multi-user radio system architecture
GB2332822B (en) 1997-12-23 2002-08-28 Northern Telecom Ltd Communication device having a wideband receiver and operating method therefor
US6144846A (en) 1997-12-31 2000-11-07 Motorola, Inc. Frequency translation circuit and method of translating
US6098886A (en) 1998-01-21 2000-08-08 Symbol Technologies, Inc. Glove-mounted system for reading bar code symbols
US5986600A (en) 1998-01-22 1999-11-16 Mcewan; Thomas E. Pulsed RF oscillator and radar motion sensor
US6144236A (en) 1998-02-01 2000-11-07 Bae Systems Aerospace Electronics Inc. Structure and method for super FET mixer having logic-gate generated FET square-wave switching signal
US6127941A (en) 1998-02-03 2000-10-03 Sony Corporation Remote control device with a graphical user interface
EP0936748A3 (en) 1998-02-12 2003-07-23 Yozan Inc. Matched filter bank CDMA communication
US6686879B2 (en) 1998-02-12 2004-02-03 Genghiscomm, Llc Method and apparatus for transmitting and receiving signals having a carrier interferometry architecture
US5955992A (en) 1998-02-12 1999-09-21 Shattil; Steve J. Frequency-shifted feedback cavity used as a phased array antenna controller and carrier interference multiple access spread-spectrum transmitter
US5952895A (en) 1998-02-23 1999-09-14 Tropian, Inc. Direct digital synthesis of precise, stable angle modulated RF signal
US6076015A (en) 1998-02-27 2000-06-13 Cardiac Pacemakers, Inc. Rate adaptive cardiac rhythm management device using transthoracic impedance
US6085073A (en) 1998-03-02 2000-07-04 Motorola, Inc. Method and system for reducing the sampling rate of a signal for use in demodulating high modulation index frequency modulated signals
US6125271A (en) 1998-03-06 2000-09-26 Conexant Systems, Inc. Front end filter circuitry for a dual band GSM/DCS cellular phone
US6150890A (en) 1998-03-19 2000-11-21 Conexant Systems, Inc. Dual band transmitter for a cellular phone comprising a PLL
US6121819A (en) 1998-04-06 2000-09-19 Motorola, Inc. Switching down conversion mixer for use in multi-stage receiver architectures
US6144331A (en) 1998-04-08 2000-11-07 Texas Instruments Incorporated Analog to digital converter with a differential output resistor-digital-to-analog-converter for improved noise reduction
US6078630A (en) 1998-04-23 2000-06-20 Lucent Technologies Inc. Phase-based receiver with multiple sampling frequencies
US6084465A (en) 1998-05-04 2000-07-04 Tritech Microelectronics, Ltd. Method for time constant tuning of gm-C filters
DE19823049C2 (en) 1998-05-22 2000-09-21 Ericsson Telefon Ab L M Power amplifier output circuit for suppressing harmonics for a mobile radio unit with double band operation and method for operating the same
US6208636B1 (en) 1998-05-28 2001-03-27 Northpoint Technology, Ltd. Apparatus and method for processing signals selected from multiple data streams
US6057714A (en) 1998-05-29 2000-05-02 Conexant Systems, Inc. Double balance differential active ring mixer with current shared active input balun
FI120124B (en) 1998-05-29 2009-06-30 Nokia Corp A method and circuit for sampling a signal at a high sampling rate
US6212369B1 (en) 1998-06-05 2001-04-03 Maxim Integrated Products, Inc. Merged variable gain mixers
US6512544B1 (en) 1998-06-17 2003-01-28 Foveon, Inc. Storage pixel sensor and array with compression
US6314279B1 (en) 1998-06-29 2001-11-06 Philips Electronics North America Corporation Frequency offset image rejection
US6404823B1 (en) 1998-07-01 2002-06-11 Conexant Systems, Inc. Envelope feedforward technique with power control for efficient linear RF power amplification
EP0977351B1 (en) 1998-07-30 2004-02-18 Motorola Semiconducteurs S.A. Method and apparatus for radio communication
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US6694128B1 (en) 1998-08-18 2004-02-17 Parkervision, Inc. Frequency synthesizer using universal frequency translation technology
US6091940A (en) 1998-10-21 2000-07-18 Parkervision, Inc. Method and system for frequency up-conversion
US6094084A (en) 1998-09-04 2000-07-25 Nortel Networks Corporation Narrowband LC folded cascode structure
US5982329A (en) 1998-09-08 1999-11-09 The United States Of America As Represented By The Secretary Of The Army Single channel transceiver with polarization diversity
US6041073A (en) 1998-09-18 2000-03-21 Golden Bridge Technology, Inc. Multi-clock matched filter for receiving signals with multipath
US6147340A (en) 1998-09-29 2000-11-14 Raytheon Company Focal plane readout unit cell background suppression circuit and method
EP1033820A4 (en) 1998-09-30 2004-08-11 Mitsubishi Electric Corp RECEIVER WITH DIRECT CONVERSION OF PAIR HARMONICS, AND TRANSCEIVER COMPRISING THE SAME
US6963626B1 (en) 1998-10-02 2005-11-08 The Board Of Trustees Of The Leland Stanford Junior University Noise-reducing arrangement and method for signal processing
US6230000B1 (en) 1998-10-15 2001-05-08 Motorola Inc. Product detector and method therefor
US7027786B1 (en) 1998-10-21 2006-04-11 Parkervision, Inc. Carrier and clock recovery using universal frequency translation
US6813485B2 (en) 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
US6061555A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for ensuring reception of a communications signal
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US6542722B1 (en) 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
US6049706A (en) 1998-10-21 2000-04-11 Parkervision, Inc. Integrated frequency translation and selectivity
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US7295826B1 (en) 1998-10-21 2007-11-13 Parkervision, Inc. Integrated frequency translation and selectivity with gain control functionality, and applications thereof
US6560301B1 (en) 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
US6366622B1 (en) 1998-12-18 2002-04-02 Silicon Wave, Inc. Apparatus and method for wireless communications
US6704558B1 (en) 1999-01-22 2004-03-09 Parkervision, Inc. Image-reject down-converter and embodiments thereof, such as the family radio service
US7006805B1 (en) 1999-01-22 2006-02-28 Parker Vision, Inc. Aliasing communication system with multi-mode and multi-band functionality and embodiments thereof, such as the family radio service
US7209725B1 (en) 1999-01-22 2007-04-24 Parkervision, Inc Analog zero if FM decoder and embodiments thereof, such as the family radio service
US6704549B1 (en) 1999-03-03 2004-03-09 Parkvision, Inc. Multi-mode, multi-band communication system
US6873836B1 (en) 1999-03-03 2005-03-29 Parkervision, Inc. Universal platform module and methods and apparatuses relating thereto enabled by universal frequency translation technology
US6879817B1 (en) 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US6853690B1 (en) 1999-04-16 2005-02-08 Parkervision, Inc. Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments
US7110435B1 (en) 1999-03-15 2006-09-19 Parkervision, Inc. Spread spectrum applications of universal frequency translation
US7072636B2 (en) 1999-03-25 2006-07-04 Zenith Electronics Corporation Printed circuit doubly balanced mixer for upconverter
US6114980A (en) 1999-04-13 2000-09-05 Motorola, Inc. Method and apparatus for settling a DC offset
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US7110444B1 (en) 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US6404758B1 (en) 1999-04-19 2002-06-11 Ericsson, Inc. System and method for achieving slot synchronization in a wideband CDMA system in the presence of large initial frequency errors
US6445726B1 (en) 1999-04-30 2002-09-03 Texas Instruments Incorporated Direct conversion radio receiver using combined down-converting and energy spreading mixing signal
CA2270516C (en) 1999-04-30 2009-11-17 Mosaid Technologies Incorporated Frequency-doubling delay locked loop
US6313685B1 (en) 1999-05-24 2001-11-06 Level One Communications, Inc. Offset cancelled integrator
US6516185B1 (en) 1999-05-24 2003-02-04 Level One Communications, Inc. Automatic gain control and offset correction
US6307894B2 (en) 1999-05-25 2001-10-23 Conexant Systems, Inc. Power amplification using a direct-upconverting quadrature mixer topology
US7356042B2 (en) 1999-06-03 2008-04-08 Tellabs Beford, Inc. Distributed ethernet hub
JP4245227B2 (en) 1999-06-03 2009-03-25 シャープ株式会社 Digital matched filter
JP2000357951A (en) 1999-06-15 2000-12-26 Mitsubishi Electric Corp Delay circuit, clock generation circuit, and phase synchronization circuit
US7072390B1 (en) 1999-08-04 2006-07-04 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments
US7054296B1 (en) 1999-08-04 2006-05-30 Parkervision, Inc. Wireless local area network (WLAN) technology and applications including techniques of universal frequency translation
JP3677181B2 (en) 1999-09-06 2005-07-27 株式会社東芝 Variable resistance circuit and D / A converter
US6647270B1 (en) 1999-09-10 2003-11-11 Richard B. Himmelstein Vehicletalk
US6618579B1 (en) 1999-09-24 2003-09-09 Chase Manhattan Bank Tunable filter with bypass
US6335656B1 (en) 1999-09-30 2002-01-01 Analog Devices, Inc. Direct conversion receivers and filters adapted for use therein
FI114887B (en) 1999-10-13 2005-01-14 U Nav Microelectronics Corp Signal detection system of a spread spectrum receiver
US6560451B1 (en) 1999-10-15 2003-05-06 Cirrus Logic, Inc. Square wave analog multiplier
US6917789B1 (en) 1999-10-21 2005-07-12 Broadcom Corporation Adaptive radio transceiver with an antenna matching circuit
US7082171B1 (en) 1999-11-24 2006-07-25 Parkervision, Inc. Phase shifting applications of universal frequency translation
US6697603B1 (en) 1999-12-13 2004-02-24 Andrew Corporation Digital repeater
US6963734B2 (en) 1999-12-22 2005-11-08 Parkervision, Inc. Differential frequency down-conversion using techniques of universal frequency translation technology
JP3533351B2 (en) 1999-12-28 2004-05-31 日本無線株式会社 Feed forward amplifier and control circuit thereof
US6327313B1 (en) 1999-12-29 2001-12-04 Motorola, Inc. Method and apparatus for DC offset correction
US6634555B1 (en) 2000-01-24 2003-10-21 Parker Vision, Inc. Bar code scanner using universal frequency translation technology for up-conversion and down-conversion
US6850742B2 (en) 2001-06-01 2005-02-01 Sige Semiconductor Inc. Direct conversion receiver
US7292835B2 (en) 2000-01-28 2007-11-06 Parkervision, Inc. Wireless and wired cable modem applications of universal frequency translation technology
US6321073B1 (en) 2000-01-31 2001-11-20 Motorola, Inc. Radiotelephone receiver and method with improved dynamic range and DC offset correction
US6625470B1 (en) 2000-03-02 2003-09-23 Motorola, Inc. Transmitter
US6741650B1 (en) 2000-03-02 2004-05-25 Adc Telecommunications, Inc. Architecture for intermediate frequency encoder
US6973476B1 (en) 2000-03-10 2005-12-06 Atheros Communications System and method for communicating data via a wireless high speed link
JP2001283107A (en) 2000-03-29 2001-10-12 Sony Corp System and device and method for managing sales task
US7010286B2 (en) 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
US6591310B1 (en) 2000-05-11 2003-07-08 Lsi Logic Corporation Method of responding to I/O request and associated reply descriptor
KR100374929B1 (en) 2000-06-02 2003-03-06 학교법인 한국정보통신학원 Mixer
US6813320B1 (en) 2000-06-28 2004-11-02 Northrop Grumman Corporation Wireless telecommunications multi-carrier receiver architecture
US6992990B2 (en) 2000-07-17 2006-01-31 Sony Corporation Radio communication apparatus
US6437639B1 (en) 2000-07-18 2002-08-20 Lucent Technologies Inc. Programmable RC filter
SE519333C2 (en) 2000-08-25 2003-02-18 Ericsson Telefon Ab L M Mixer comprising noise-reducing passive filter
JP3489621B2 (en) 2000-09-28 2004-01-26 日本電気株式会社 Baseband circuit of direct conversion receiver
US6865399B2 (en) 2000-10-26 2005-03-08 Renesas Technology Corp. Mobile telephone apparatus
AU2002224450A1 (en) 2000-11-03 2002-05-15 Aryya Communications, Inc. Wideband multi-protocol wireless radio transceiver system
US7010559B2 (en) 2000-11-14 2006-03-07 Parkervision, Inc. Method and apparatus for a parallel correlator and applications thereof
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US7088981B2 (en) 2000-11-29 2006-08-08 Broadcom Corporation Apparatus for reducing flicker noise in a mixer circuit
US6441694B1 (en) 2000-12-15 2002-08-27 Motorola, Inc. Method and apparatus for generating digitally modulated signals
US6509777B2 (en) 2001-01-23 2003-01-21 Resonext Communications, Inc. Method and apparatus for reducing DC offset
US6823178B2 (en) 2001-02-14 2004-11-23 Ydi Wireless, Inc. High-speed point-to-point modem-less microwave radio frequency link using direct frequency modulation
US20020132642A1 (en) 2001-03-16 2002-09-19 Hines John Ned Common module combiner/active array multicarrier approach without linearization loops
US6597240B1 (en) 2001-04-02 2003-07-22 Cirrus Logic, Inc. Circuits and methods for slew rate control and current limiting in switch-mode systems
US6741139B2 (en) 2001-05-22 2004-05-25 Ydi Wirelesss, Inc. Optical to microwave converter using direct modulation phase shift keying
US7072433B2 (en) 2001-07-11 2006-07-04 Micron Technology, Inc. Delay locked loop fine tune
US20030149579A1 (en) 2001-08-10 2003-08-07 Begemann Edwin Philip Method of increasing functionality of a product
US6690232B2 (en) 2001-09-27 2004-02-10 Kabushiki Kaisha Toshiba Variable gain amplifier
US6917796B2 (en) 2001-10-04 2005-07-12 Scientific Components Triple balanced mixer
US20030078011A1 (en) 2001-10-18 2003-04-24 Integrated Programmable Communications, Inc. Method for integrating a plurality of radio systems in a unified transceiver structure and the device of the same
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US7085335B2 (en) 2001-11-09 2006-08-01 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
FR2836305B1 (en) 2002-02-15 2004-05-07 St Microelectronics Sa AB CLASS DIFFERENTIAL MIXER
US6903535B2 (en) 2002-04-16 2005-06-07 Arques Technology, Inc. Biasing system and method for low voltage DC—DC converters with built-in N-FETs
US6959178B2 (en) 2002-04-22 2005-10-25 Ipr Licensing Inc. Tunable upconverter mixer with image rejection
US7194044B2 (en) 2002-05-22 2007-03-20 Alexander Neil Birkett Up/down conversion circuitry for radio transceiver
US6975848B2 (en) 2002-06-04 2005-12-13 Parkervision, Inc. Method and apparatus for DC offset removal in a radio frequency communication channel
US7321640B2 (en) 2002-06-07 2008-01-22 Parkervision, Inc. Active polyphase inverter filter for quadrature signal generation
US6892057B2 (en) 2002-08-08 2005-05-10 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for reducing dynamic range of a power amplifier
US20040125879A1 (en) 2002-12-31 2004-07-01 Jaussi James E. Information transmission unit
US6999747B2 (en) 2003-06-22 2006-02-14 Realtek Semiconductor Corp. Passive harmonic switch mixer
WO2005043115A2 (en) * 2003-10-20 2005-05-12 Ionwerks, Inc. Ion mobility tof/maldi/ms using drift cell alternating high and low electrical field regions

Also Published As

Publication number Publication date
US7233969B2 (en) 2007-06-19
US7010559B2 (en) 2006-03-07
WO2002041494A2 (en) 2002-05-23
US20020124036A1 (en) 2002-09-05
US20050193049A1 (en) 2005-09-01
US7433910B2 (en) 2008-10-07
WO2002041494A3 (en) 2003-08-21
US20050185741A1 (en) 2005-08-25

Similar Documents

Publication Publication Date Title
AU2002239251A1 (en) Method and apparatus for implementing a parallel correlator and applications thereof
AU2001247753A1 (en) Method and apparatus for integrated-battery devices
AU2001243522A1 (en) Method and apparatus for inducing a cellular response
AU2002223092A1 (en) Pigging method and apparatus
AU2001241524A1 (en) Method and apparatus for a three-dimensional web-navigator
AU2001263028A1 (en) Stream-cipher method and apparatus
AU2001256933A1 (en) Apparatus and method
AU2001246687A1 (en) A tracking device and method
AU2001247010A1 (en) Incremental alarm correlation method and apparatus
AU2001265038A1 (en) Method and apparatus for balancing distributed applications
AU2001224723A1 (en) Method and apparatus for automatically selecting a rule
AU2001261446A1 (en) Method and apparatus for a portable information agent
AU2001283313A1 (en) Device and method for electrodialysis
AU2001264771A1 (en) Well reference apparatus and method
AU2001286829A1 (en) Method and apparatus for implementing a web application
AU2001273562A1 (en) Method and apparatus for identifying a subject
AU2000276393A1 (en) A method and apparatus for extracting entity names and their relations
AU2002216742A1 (en) Packaging apparatus and method
AU2001227007A1 (en) A processing method and apparatus
AU2001292146A1 (en) Plate processing device and method for processing a plate
AU2002219222A1 (en) Device and method for changing lines
AU2002227964A1 (en) Pneumatic rock-boring device and method for starting such a device
AUPR111700A0 (en) Browsing method and apparatus
AU5648001A (en) Apparatus and method for de-oxygenating a fluid
AU2001236666A1 (en) Apparatus and method for moving fluid