BR9305798A - Modem para receber sinal - Google Patents

Modem para receber sinal

Info

Publication number: BR9305798A
Authority: BR; Brazil
Prior art keywords: modem; receiving signal; receiving; signal
Prior art date: 1992-01-29

Application number

BR9305798A

Other languages

English (en)

Inventor

Mickey C Rushing

Steven Ray Blackwell

Original Assignee

Universal Data Systems 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.)

1992-01-29

Filing date

1993-01-04

Publication date

1997-02-18

1993-01-04 Application filed by Universal Data Systems Inc filed Critical Universal Data Systems Inc

1997-02-18 Publication of BR9305798A publication Critical patent/BR9305798A/pt

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/38—Demodulator circuits; Receiver circuits
- H04L27/3845—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier
- H04L27/3854—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier using a non - coherent carrier, including systems with baseband correction for phase or frequency offset
- H04L27/3872—Compensation for phase rotation in the demodulated signal

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

BR9305798A 1992-01-29 1993-01-04 Modem para receber sinal BR9305798A (pt)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US82778392A	1992-01-29	1992-01-29
PCT/US1993/000098 WO1993015552A1 (en)	1992-01-29	1993-01-04	Modem including an equalizer for amplitude jitter

Publications (1)

Publication Number	Publication Date
BR9305798A true BR9305798A (pt)	1997-02-18

Family

ID=25250156

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR9305798A BR9305798A (pt)	1992-01-29	1993-01-04	Modem para receber sinal

Country Status (10)

Country	Link
US (1)	US5434884A (pt)
EP (1)	EP0624287B1 (pt)
JP (1)	JPH07504072A (pt)
CN (1)	CN1032103C (pt)
BR (1)	BR9305798A (pt)
CA (1)	CA2128609C (pt)
DE (1)	DE69330874T2 (pt)
ES (1)	ES2164654T3 (pt)
SI (1)	SI9300043A (pt)
WO (1)	WO1993015552A1 (pt)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA2121934A1 (en) *	1993-06-14	1994-12-15	Gordon Bremer	Simultaneous analog and digital communication with improved phase immunity
US5970103A (en)	1996-09-06	1999-10-19	Townshend; Brent	High speed communications system for analog subscriber connections
KR100422963B1 (ko) *	1994-12-09	2004-03-12	브렌트 타운젠드	소스로부터 가입자로 통신하기 위한 방법과 디지털 데이터 스트림을 복원하기 위한 고속 디코더
JP3351642B2 (ja) *	1994-12-20	2002-12-03	富士通株式会社	位相ジッタ抽出回路及び位相ジッタキャンセル回路
US6233274B1 (en)	1995-04-27	2001-05-15	Wavetek Wandel Goltermann	Non-invasive digital cable test system
US5751766A (en) *	1995-04-27	1998-05-12	Applied Signal Technology, Inc.	Non-invasive digital communications test system
JP3568284B2 (ja) *	1995-08-22	2004-09-22	松下電器産業株式会社	復調方法および復調装置
US6137831A (en) *	1997-06-20	2000-10-24	Johnson; Neldon P.	Method and apparatus for reducing receiver imposed distortion
US6133783A (en) *	1997-07-07	2000-10-17	Samsung Electronics Co., Inc.	Phase jitter canceller
US6097767A (en) *	1998-04-17	2000-08-01	Advanced Micro Devices, Inc.	Apparatus and method for determining an optimum equalizer setting for a signal equalizer in a communication network receiver
US6650699B1 (en) *	1999-01-21	2003-11-18	International Business Machines Corporation	Methods and apparatus for timing recovery from a sampled and equalized data signal
US6553518B1 (en)	1999-03-08	2003-04-22	International Business Machines Corporation	Severe error detectors, methods and computer program products that use constellation specific error event thresholds to detect severe error events during demodulation of a signal comprising symbols from a plurality of symbol constellations
US6661847B1 (en)	1999-05-20	2003-12-09	International Business Machines Corporation	Systems methods and computer program products for generating and optimizing signal constellations
EP1063826A1 (en) *	1999-06-25	2000-12-27	Sony International (Europe) GmbH	Carrier recovery means in digital quadrature receivers
US6160443A (en) *	1999-09-08	2000-12-12	Atmel Corporation	Dual automatic gain control in a QAM demodulator
US6611563B1 (en)	1999-10-29	2003-08-26	International Business Machines Corporation	Systems, methods and computer program products for data mode refinement of modem constellation points
US6967995B1 (en)	1999-10-29	2005-11-22	International Business Machines Corporation	Methods, systems and computer program products for carrier drop detection using a variable threshold
US6792004B1 (en)	1999-10-29	2004-09-14	International Business Machines Corporation	Systems, methods and computer program products for averaging learned levels in the presence of robbed-bit signaling based on proximity
US6823017B1 (en)	1999-10-29	2004-11-23	International Business Machines Corporation	Systems, methods and computer program products for filtering glitches from measured values in a sequence of code points
US6792040B1 (en)	1999-10-29	2004-09-14	International Business Machines Corporation	Modems having a dual power mode capability and methods of operating same
US6823004B1 (en)	1999-10-29	2004-11-23	International Business Machines Corporation	Methods, systems and computer program products for monitoring performance of a modem during a connection
US6765955B1 (en)	1999-10-29	2004-07-20	International Business Machines Corporation	Methods, systems and computer program products establishing a communication configuration for a modem connection to compensate for echo noise
US6839382B1 (en)	1999-10-29	2005-01-04	International Business Machines Corporation	System, methods and computer program products for identifying digital impairments in modem signals using signature analysis and signal level comparison analysis
US6662322B1 (en)	1999-10-29	2003-12-09	International Business Machines Corporation	Systems, methods, and computer program products for controlling the error rate in a communication device by adjusting the distance between signal constellation points
US6505222B1 (en)	1999-10-29	2003-01-07	International Business Machines Corporation	Systems methods and computer program products for controlling undesirable bias in an equalizer
US6754258B1 (en)	1999-10-29	2004-06-22	International Business Machines Corporation	Systems, methods and computer program products for averaging learned levels in the presence of digital impairments based on patterns
US6816545B1 (en)	1999-10-29	2004-11-09	International Business Machines Corporation	Systems, methods and computer program products for identifying digital impairments in modems based on clusters and/or skips in pulse code modulation signal levels
US6826157B1 (en)	1999-10-29	2004-11-30	International Business Machines Corporation	Systems, methods, and computer program products for controlling data rate reductions in a communication device by using a plurality of filters to detect short-term bursts of errors and long-term sustainable errors
US6650657B1 (en)	1999-10-29	2003-11-18	International Business Machines Corporation	Systems, methods and computer program products for identifying digital impairments in modem signals
KR100959921B1 (ko)	2003-07-03	2010-05-26	삼성전자주식회사	다중 채널 통신 시스템의 수신기 및 상기 수신기를 사용한데이터 복원방법
US7242712B1 (en)	2004-03-08	2007-07-10	Pmc-Sierra, Inc.	Decision feedback equalizer (DFE) for jitter reduction
US8144814B2 (en)	2006-05-22	2012-03-27	Qualcomm Incorporated	Signal quality estimator
US7466140B2 (en) *	2006-12-25	2008-12-16	Advantest Corporation	Signal generation circuit, jitter injection circuit, semiconductor chip and test apparatus
US8428113B1 (en)	2009-01-23	2013-04-23	Pmc-Sierra, Inc.	Equalizer for heavily clipped or compressed communications signals
US8644369B1 (en)	2009-12-01	2014-02-04	Pmc-Sierra, Inc.	Equalizer adaptation for heavily compressed or clipped communications signals
BR112014005375A2 (pt) *	2011-09-09	2017-03-28	Entropic Communications Inc	sistemas e métodos para realizar um rastreamento de fase dentro de um sintonizador com base em adc
US9793879B2 (en)	2014-09-17	2017-10-17	Avnera Corporation	Rate convertor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4027250A (en) *	1975-10-21	1977-05-31	Lang Gordon R	Apparatus and method for reducing effects of amplitude and phase jitter
EP0105513B1 (en) *	1982-10-04	1990-01-03	Nec Corporation	Method of measuring quality of a signal received by a receiver of a two-dimensional linear modulation data communication system
US4631738A (en) *	1984-12-06	1986-12-23	Paradyne Corporation	Gain tracker for digital modem
US4646325A (en) *	1985-04-15	1987-02-24	Paradyne Corporation	Index decoder for digital modems
US4689804A (en) *	1985-08-14	1987-08-25	Racal Data Communications Inc.	Method and apparatus for reduction of sinusoidal phase jitter in a high speed data modem
DE3765947D1 (de) *	1986-01-18	1990-12-13	Hewlett Packard Ltd	Beeinflussungsfreier analysator zur erfassung von kanalstoerungen.
US4777640A (en) *	1986-06-09	1988-10-11	Motorola, Inc.	Frequency adaptive phase jitter canceler
US4953186A (en) *	1988-02-19	1990-08-28	Silicon Systems, Inc.	Phase jitter tracker

1993
- 1993-01-04 ES ES93903400T patent/ES2164654T3/es not_active Expired - Lifetime
- 1993-01-04 WO PCT/US1993/000098 patent/WO1993015552A1/en not_active Ceased
- 1993-01-04 BR BR9305798A patent/BR9305798A/pt not_active IP Right Cessation
- 1993-01-04 DE DE69330874T patent/DE69330874T2/de not_active Expired - Fee Related
- 1993-01-04 CA CA002128609A patent/CA2128609C/en not_active Expired - Fee Related
- 1993-01-04 JP JP5513238A patent/JPH07504072A/ja active Pending
- 1993-01-04 EP EP93903400A patent/EP0624287B1/en not_active Expired - Lifetime
- 1993-01-28 CN CN93100920A patent/CN1032103C/zh not_active Expired - Fee Related
- 1993-01-28 SI SI19939300043A patent/SI9300043A/sl unknown
1994
- 1994-10-04 US US08/317,429 patent/US5434884A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
WO1993015552A1 (en)	1993-08-05
SI9300043A (en)	1993-09-30
ES2164654T3 (es)	2002-03-01
JPH07504072A (ja)	1995-04-27
EP0624287A4 (en)	1997-07-30
CN1032103C (zh)	1996-06-19
EP0624287A1 (en)	1994-11-17
EP0624287B1 (en)	2001-10-04
CA2128609A1 (en)	1993-08-05
CA2128609C (en)	1997-11-25
DE69330874T2 (de)	2002-04-25
DE69330874D1 (de)	2001-11-08
US5434884A (en)	1995-07-18
CN1081550A (zh)	1994-02-02

Publication	Publication Date	Title
BR9305798A (pt)	1997-02-18	Modem para receber sinal
DK0625947T4 (da)	2001-01-02	Jernbanesignalsystem
FI931736A0 (fi)	1993-04-16	Biodegraderbart tgf-b-leveranssystem foer benregeneration
FI933362L (fi)	1994-01-28	Spaenne med stoerre fasthaollningskraft under belastning
NO176897C (no)	1995-06-14	System for område-begrensning
DE69230740D1 (de)	2000-04-13	Aufzeichnungsgerät
FI951651A7 (fi)	1995-05-26	Laite yhteenlukitsemista varten
FI920840L (fi)	1992-08-28	Boggie foer raelsfordon
DE69321773D1 (de)	1998-12-03	Aufzeichnungsgerät
FI925295L (fi)	1993-05-22	Baenksystem foer kompositioner avsedda foer jordbruk
DE69219377D1 (de)	1997-06-05	Aufzeichnungsgerät
NO931650L (no)	1993-11-10	Isbryter
FI933816L (fi)	1994-03-04	Understaell foer raelsfordon
DE69215723D1 (de)	1997-01-23	Aufzeichnungsgerät
FR2692470B1 (fr)	1994-09-16	Instrumentation ancillaire pour la ligamentoplastie coraco-claviculaire.
DE59303942D1 (de)	1996-10-31	Bindemittelsystem
UA23018C2 (uk)	1998-06-30	Криголам
NO921296D0 (no)	1992-04-03	Broeytestikke-opptaker
KR920021542U (ko)	1992-12-19	도로 차단 장치
NO930114D0 (no)	1993-01-13	Bindemiddel
NO912250L (no)	1993-02-04	Egnessystem for line
BR7201678U (pt)	1993-02-24	Bloqueador
BR9003287A (pt)	1992-01-28	Sinalizador para cortejo funebre
SE9203044D0 (sv)	1992-10-16	Balk foer pallstaell e d
FI933039L (fi)	1994-01-02	Signalsystem

Legal Events

Date	Code	Title	Description
1997-05-13	EE	Request for examination
1999-03-23	FB36	Technical and formal requirements: requirement - article 36 of industrial property law
1999-08-10	FF	Decision: intention to grant
2000-03-21	FG9A	Patent or certificate of addition granted
2010-11-03	B24C	Patent annual fee: request for for restoration	Free format text: REFERENTE A 10A,11A,12A,13A,14A,15A,16A,17A E 18A ANUIDADES.
2014-08-26	B24H	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
2020-12-08	B24F	Patent annual fee: publication cancelled	Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2277 DE 26/08/2014 POR TER SIDO INDEVIDA.
2020-12-15	B21F	Lapse acc. art. 78, item iv - on non-payment of the annual fees in time	Free format text: REFERENTE AS 10A, 11A, 12A, 13A, 14A, 15A, 16A, 17A E 18A ANUIDADES.
2021-03-30	B24J	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)	Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.