DE3889086D1 - FM-Empfängerschaltung. - Google Patents

FM-Empfängerschaltung.

Info

Publication number: DE3889086D1
Authority: DE; Germany
Prior art keywords: receiver circuit; receiver; circuit
Prior art date: 1987-12-18
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.): Expired - Fee Related

Application number

DE3889086T

Other languages

English (en)

Other versions

DE3889086T2 (de

Inventor

Shinji C O Nec Miyata

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.)

NEC Corp

Original Assignee

NEC Corp

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.)

1987-12-18

Filing date

1988-12-13

Publication date

1994-05-19

1988-12-13 Application filed by NEC Corp filed Critical NEC Corp

1994-05-19 Application granted granted Critical

1994-05-19 Publication of DE3889086D1 publication Critical patent/DE3889086D1/de

1994-07-28 Publication of DE3889086T2 publication Critical patent/DE3889086T2/de

2008-12-14 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- 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
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/1646—Circuits adapted for the reception of stereophonic signals
- H04B1/1661—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels
- H04B1/1669—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels of the demodulated composite stereo signal
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Noise Elimination (AREA)
Circuits Of Receivers In General (AREA)
Stereo-Broadcasting Methods (AREA)

DE3889086T 1987-12-18 1988-12-13 FM-Empfängerschaltung. Expired - Fee Related DE3889086T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP62320691A JPH01162020A (ja)	1987-12-18	1987-12-18	Ｆｍラジオ受信機

Publications (2)

Publication Number	Publication Date
DE3889086D1 true DE3889086D1 (de)	1994-05-19
DE3889086T2 DE3889086T2 (de)	1994-07-28

Family

ID=18124264

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE3889086T Expired - Fee Related DE3889086T2 (de)	1987-12-18	1988-12-13	FM-Empfängerschaltung.

Country Status (5)

Country	Link
US (1)	US4914715A (de)
EP (1)	EP0320883B1 (de)
JP (1)	JPH01162020A (de)
KR (1)	KR920001537B1 (de)
DE (1)	DE3889086T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0429244U (de) *	1990-07-05	1992-03-09
DE4027399C2 (de) *	1990-08-30	1995-11-30	Blaupunkt Werke Gmbh	UKW-Autoradio
US5113446A (en) *	1990-12-17	1992-05-12	Ford Motor Company	Stereo blend controller for FM receivers
DE59209341D1 (de) *	1991-02-01	1998-07-02	Blaupunkt Werke Gmbh	Verfahren zur Überbrückung von Audiosignalunterbrechungen
US5303405A (en) *	1991-09-03	1994-04-12	Motorola, Inc.	Comparator switched squelch rectifier
JP3018634B2 (ja) *	1991-09-05	2000-03-13	日本電気株式会社	Ｆｍ雑音低減回路
JP3144574B2 (ja) *	1991-11-20	2001-03-12	ローム株式会社	ミューティング制御回路
US5303408A (en) *	1992-04-03	1994-04-12	Motorola, Inc.	Squelch detector
ES2165386T3 (es) *	1993-03-24	2002-03-16	Blaupunkt Werke Gmbh	Receptor de radio con procesamiento digital de las señales.
DE4309518A1 (de) *	1993-03-24	1994-10-06	Blaupunkt Werke Gmbh	Schaltungsanordnung zur Ableitung mindestens eines von der Qualität eines empfangenen Signals abhängigen Qualitätssignals
US6029053A (en)	1995-09-12	2000-02-22	Lockheed Martin Corp.	Apparatus and method for reducing co-channel radio interference
JPH0983388A (ja) *	1995-09-19	1997-03-28	Sony Corp	Ｆｍ受信機
JP3599502B2 (ja) *	1996-10-31	2004-12-08	ミツミ電機株式会社	Ｆｍ多重対応型ナビゲーション装置
US6374124B1 (en)	1997-12-24	2002-04-16	Transcept, Inc.	Dynamic reallocation of transceivers used to interconnect wireless telephones to a broadband network
US6301240B1 (en)	1998-02-19	2001-10-09	Transcept, Inc.	Centrally located equipment for wireless telephone system
US6122529A (en) *	1998-03-17	2000-09-19	Transcept, Inc.	Simulcast with hierarchical cell structure overlay
JP2994362B1 (ja)	1998-10-01	1999-12-27	三菱電機株式会社	高度道路交通システムの狭域通信用車載器
EP1006666B1 (de)	1998-11-30	2005-10-26	Siemens Aktiengesellschaft	Verfahren zur Rauschverminderung beim Empfang eines HF FM Signals
WO2004055997A1 (en) *	2002-12-16	2004-07-01	Koninklijke Philips Electronics N.V.	Noise suppression in an fm receiver
US8108044B2 (en) *	2008-03-27	2012-01-31	Medtronic, Inc.	Method and apparatus for the staged detection of RF energy
US8170515B2 (en) *	2008-05-21	2012-05-01	Medtronic, Inc.	Method and apparatus for the phased detection of a signal including a frequency deviation detection phase

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3628058A (en) *	1970-02-24	1971-12-14	Motorola Inc	Integrated dual time constant squelch circuit
US4087641A (en) *	1976-04-01	1978-05-02	Pioneer Electronic Corporation	Noise limiting circuit for FM stereo receiver
JPS5723332A (en) *	1980-07-16	1982-02-06	Clarion Co Ltd	Muting device
US4390749A (en) *	1981-04-13	1983-06-28	Superscope, Inc.	Noise control system for FM radio
JPS58164329A (ja) *	1982-03-24	1983-09-29	Mitsubishi Electric Corp	Ｆｍミユ−テイング回路
JPS59190748A (ja) *	1983-04-13	1984-10-29	Sharp Corp	Ｆｍ受信機のマルチパス歪軽減装置

1987
- 1987-12-18 JP JP62320691A patent/JPH01162020A/ja active Pending
1988
- 1988-12-12 US US07/283,182 patent/US4914715A/en not_active Expired - Fee Related
- 1988-12-13 EP EP88120820A patent/EP0320883B1/de not_active Expired - Lifetime
- 1988-12-13 DE DE3889086T patent/DE3889086T2/de not_active Expired - Fee Related
- 1988-12-16 KR KR1019880016759A patent/KR920001537B1/ko not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE3889086T2 (de)	1994-07-28
KR890011281A (ko)	1989-08-14
KR920001537B1 (ko)	1992-02-18
EP0320883A2 (de)	1989-06-21
EP0320883A3 (en)	1990-08-16
JPH01162020A (ja)	1989-06-26
EP0320883B1 (de)	1994-04-13
US4914715A (en)	1990-04-03

Publication	Publication Date	Title
DE3855263D1 (de)	1996-06-13	Rundfunkempfänger
DE3788537D1 (de)	1994-02-03	Symmetrischer doppelt-optischer Signalempfänger.
DE3576267D1 (de)	1990-04-05	Fernsehsignalempfangsgeraet.
DE3782740D1 (de)	1993-01-07	Fernsehempfaenger.
DE3782666D1 (de)	1992-12-24	Fernsehempfaenger.
DE3850629D1 (de)	1994-08-18	Adaptierbarer Schaltkreis.
DE3889086D1 (de)	1994-05-19	FM-Empfängerschaltung.
DE3887409D1 (de)	1994-03-10	FSK-Demodulationsschaltung.
DE3884077D1 (de)	1993-10-21	Funktelefonsystem.
DE3854322D1 (de)	1995-09-21	Funkfernsprechapparat.
DE3886434D1 (de)	1994-02-03	Funkfernsprecher.
DE3881855D1 (de)	1993-07-22	Signalverzoegerungsschaltung.
DE3876662D1 (de)	1993-01-28	Rundfunk-empfangsantenne.
DE3884501D1 (de)	1993-11-04	Vergleichsschaltung.
DE68912531D1 (de)	1994-03-03	Radioempfänger.
KR890003644U (ko)	1989-04-13	마이크로파 수신장치
DE3576263D1 (de)	1990-04-05	Radio-empfaenger.
FI842044A0 (fi)	1984-05-22	Radiomottagare.
DE3887049D1 (de)	1994-02-24	FM-Stereodemodulatoren.
DE3784954D1 (de)	1993-04-29	Mikroprozessorgesteuerte signaldiskriminatorschaltung.
DE58907655D1 (de)	1994-06-16	Fm-rundfunkempfangsteil.
DE59009290D1 (de)	1995-07-27	Funk-Empfänger.
DE58906952D1 (de)	1994-03-24	Fm-rundfunkempfangsteil.
DK18385D0 (da)	1985-01-15	Radiomodtager
KR880702012A (ko)	1988-11-07	라디오 수신기

Legal Events

Date	Code	Title	Description
1995-05-11	8364	No opposition during term of opposition
2003-10-09	8339	Ceased/non-payment of the annual fee