SE8201876L - Brusdetektor - Google Patents

Brusdetektor

Info

Publication number: SE8201876L
Authority: SE; Sweden
Prior art keywords: signal; noise; phaselock loop; responsive; received signal
Prior art date: 1981-04-06

Application number

SE8201876A

Other languages

Unknown language ( )

English (en)

Other versions

SE452833B (sv

Inventor

D H Nash

D H Yen

Original Assignee

Western Electric Co

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.)

1981-04-06

Filing date

1982-03-24

Publication date

1982-10-07

1982-03-24 Application filed by Western Electric Co filed Critical Western Electric Co

1982-10-07 Publication of SE8201876L publication Critical patent/SE8201876L/sv

1987-12-14 Publication of SE452833B publication Critical patent/SE452833B/sv

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/34—Muting amplifier when no signal is present
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
- H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
- H04L27/152—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Physics & Mathematics (AREA)
Spectroscopy & Molecular Physics (AREA)
Noise Elimination (AREA)
Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Optical Communication System (AREA)

SE8201876A 1981-04-06 1982-03-24 Brusdetektor- och signalmottagaranordning for frekvensmodulationsmottagare SE452833B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/251,320 US4388730A (en)	1981-04-06	1981-04-06	Noise detector and data signal receiver for a frequency modulation system

Publications (2)

Publication Number	Publication Date
SE8201876L true SE8201876L (sv)	1982-10-07
SE452833B SE452833B (sv)	1987-12-14

Family

ID=22951437

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8201876A SE452833B (sv)	1981-04-06	1982-03-24	Brusdetektor- och signalmottagaranordning for frekvensmodulationsmottagare

Country Status (10)

Country	Link
US (1)	US4388730A (sv)
JP (1)	JPS57193130A (sv)
BE (1)	BE892760A (sv)
CA (1)	CA1181818A (sv)
DE (1)	DE3212539A1 (sv)
FR (1)	FR2503496B1 (sv)
GB (1)	GB2096846B (sv)
IT (1)	IT1150760B (sv)
NL (1)	NL8201449A (sv)
SE (1)	SE452833B (sv)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2523383B1 (fr) *	1982-03-15	1985-11-22	Thomson Csf	Dispositif de recuperation de frequence d'horloge en transmission numerique
JPS61501883A (ja) *	1983-06-27	1986-08-28	ザ　コモンウエルス　オブ　オ−ストラリア	スケルチ回路
JPS60171475A (ja) *	1984-02-15	1985-09-04	アイデンティフィケ−ション・デバイセス・インコ−ポレ−テッド	識別システム
US5289506A (en) *	1990-02-05	1994-02-22	Sharp Kabushiki Kaisha	Automatic frequency control circuit
US5107522A (en) *	1990-02-05	1992-04-21	Sharp Kabushiki Kaisha	Automatic frequency control circuit
JPH06338934A (ja) *	1993-05-25	1994-12-06	Exar Corp	事象駆動型制御回路を有するスピーカーホーン
US5615411A (en) *	1994-04-22	1997-03-25	Rockwell International	Method and apparatus for composite signal separation and FM demodulation
US5430770A (en) *	1994-04-22	1995-07-04	Rockwell International Corp.	Method and apparatus for composite signal separation and PSK/AM/FM demodulation
JPH09321736A (ja) *	1996-05-27	1997-12-12	Sony Corp	受信方法及び受信装置
US7181027B1 (en)	2000-05-17	2007-02-20	Cisco Technology, Inc.	Noise suppression in communications systems
DE10032422C1 (de) *	2000-07-04	2002-01-10	Siemens Ag	Verfahren und Vorrichtung zur Sicherung einer Übertragungsstrecke zwischen einer Basiseinheit und einer mobilen Schlüsseleinheit
JP2002198810A (ja) *	2000-12-25	2002-07-12	Fujitsu Ltd	光受信機の入力断検出回路
US6720930B2 (en)	2001-01-16	2004-04-13	Digital Angel Corporation	Omnidirectional RFID antenna
US6700547B2 (en)	2002-04-12	2004-03-02	Digital Angel Corporation	Multidirectional walkthrough antenna
US6833790B2 (en)	2002-04-12	2004-12-21	Digital Angel Corporation	Livestock chute scanner

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2501416A (en) *	1945-02-28	1950-03-21	Philco Corp	Muting circuit for frequency modulation radio receivers
US3783387A (en) *	1972-06-14	1974-01-01	Gen Electric	Noise detector circuit
DE2511323B1 (de)	1975-03-14	1976-08-05	Siemens Ag	Schaltungsanordnung zum ermitteln der phasenstoermodulation eines messignals
DE2644159A1 (de)	1976-09-30	1978-04-06	Siemens Ag	Schaltungsanordnung zum ermitteln und auswerten der phasenstoermodulation eines messignals
US4093824A (en) *	1976-11-15	1978-06-06	Gte Sylvania Incorporated	Receiver having a phase-locked loop
US4167705A (en) *	1977-07-20	1979-09-11	General Electric Company	Circuit for controlling the response conditions of a radio receiver
US4229822A (en) *	1977-09-06	1980-10-21	Motorola, Inc.	Data detector for a data communication system
US4228320A (en) *	1978-11-02	1980-10-14	Bell Telephone Laboratories, Incorporated	Noise detector for frequency modulation systems

1981
- 1981-04-06 US US06/251,320 patent/US4388730A/en not_active Expired - Lifetime
1982
- 1982-03-24 SE SE8201876A patent/SE452833B/sv not_active IP Right Cessation
- 1982-04-02 FR FR8205744A patent/FR2503496B1/fr not_active Expired
- 1982-04-03 DE DE19823212539 patent/DE3212539A1/de not_active Withdrawn
- 1982-04-05 CA CA000400478A patent/CA1181818A/en not_active Expired
- 1982-04-05 NL NL8201449A patent/NL8201449A/nl not_active Application Discontinuation
- 1982-04-05 IT IT20586/82A patent/IT1150760B/it active
- 1982-04-05 GB GB8210048A patent/GB2096846B/en not_active Expired
- 1982-04-05 BE BE0/207755A patent/BE892760A/fr not_active IP Right Cessation
- 1982-04-06 JP JP57057186A patent/JPS57193130A/ja active Pending

Also Published As

Publication number	Publication date
IT1150760B (it)	1986-12-17
FR2503496B1 (fr)	1986-09-05
NL8201449A (nl)	1982-11-01
GB2096846A (en)	1982-10-20
GB2096846B (en)	1985-05-22
FR2503496A1 (fr)	1982-10-08
CA1181818A (en)	1985-01-29
IT8220586A0 (it)	1982-04-05
US4388730A (en)	1983-06-14
DE3212539A1 (de)	1982-11-18
JPS57193130A (en)	1982-11-27
BE892760A (fr)	1982-08-02
SE452833B (sv)	1987-12-14

Publication	Publication Date	Title
SE8201876L (sv)	1982-10-07	Brusdetektor
DK344182A (da)	1982-08-02	Radiotelefon med haandfri drift
KR830008566A (ko)	1983-12-10	반송파 주파수 또는 위상 변조된 am신호 수신용 수신기
CA2125260A1 (en)	1994-12-09	Automatic Frequency Control Apparatus and Method Therefor
MY131094A (en)	2007-07-31	Interference detection technique.
ATE245817T1 (de)	2003-08-15	Phasenrauschendetektor
KR970068203A (ko)	1997-10-13	휴대전화기의 수신회로용 ic
KR860001645A (ko)	1986-03-20	잡음 검출기
KR910007349A (ko)	1991-04-30	텔레비젼수신장치
JPS56110360A (en)	1981-09-01	Muting circuit of am stereo receiver
KR830009846A (ko)	1983-12-23	텔레비죤 음성신호의 수신기
JPS54139417A (en)	1979-10-29	Interpolation receiving devices at voice short break time
KR840005289A (ko)	1984-11-05	Am 스테레오 수신기용 보호회로
US4447909A (en)	1984-05-08	Circuit for rapid recognition of FSK signals in a radio channel
KR860002923A (ko)	1986-04-30	동기형 영상신호 검파회로
EP0394493A4 (en)	1993-01-20	Voice signal demodulation circuit
KR860003737A (ko)	1986-05-28	미동조 장치
JPS5787639A (en)	1982-06-01	Am stereo receiver
FR2430015A1 (fr)	1980-01-25	Discriminateur de phase
FR2321219A1 (fr)	1977-03-11	Discriminateur de signaux vocaux et de signaux numeriques
JPS56146381A (en)	1981-11-13	Television voice receiving device
JPS5784628A (en)	1982-05-27	Mobile radio device
KR920704447A (ko)	1992-12-19	주파수 제어 시스템
JPS5745764A (en)	1982-03-15	Reference carrier reproducing circuit
JPS57164605A (en)	1982-10-09	Amplifier

Legal Events

Date	Code	Title	Description
1995-01-31	NUG	Patent has lapsed	Ref document number: 8201876-3 Effective date: 19910117 Format of ref document f/p: F

Date

Code

Title

Description

1995-01-31

NUG

Patent has lapsed

Ref document number: 8201876-3

Effective date: 19910117

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