DE69321019D1 - Mehrwegempfangsminimalisierung für einen Rundfunkempfänger - Google Patents

Mehrwegempfangsminimalisierung für einen Rundfunkempfänger

Info

Publication number
DE69321019D1
DE69321019D1 DE69321019T DE69321019T DE69321019D1 DE 69321019 D1 DE69321019 D1 DE 69321019D1 DE 69321019 T DE69321019 T DE 69321019T DE 69321019 T DE69321019 T DE 69321019T DE 69321019 D1 DE69321019 D1 DE 69321019D1
Authority
DE
Germany
Prior art keywords
minimization
radio receiver
multipath reception
multipath
reception
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.)
Expired - Fee Related
Application number
DE69321019T
Other languages
English (en)
Other versions
DE69321019T2 (de
Inventor
John F Kennedy
Robert D Plowdrey
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.)
Ford Werke GmbH
Original Assignee
Ford Werke GmbH
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 Ford Werke GmbH filed Critical Ford Werke GmbH
Application granted granted Critical
Publication of DE69321019D1 publication Critical patent/DE69321019D1/de
Publication of DE69321019T2 publication Critical patent/DE69321019T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/342—Muting when some special characteristic of the signal is sensed which distinguishes it from noise, e.g. using speech detector
    • 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
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1081—Reduction of multipath noise
    • 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
DE69321019T 1992-04-06 1993-03-18 Mehrwegempfangsminimalisierung für einen Rundfunkempfänger Expired - Fee Related DE69321019T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/863,665 US5249233A (en) 1992-04-06 1992-04-06 Multipath noise minimizer for radio receiver

Publications (2)

Publication Number Publication Date
DE69321019D1 true DE69321019D1 (de) 1998-10-22
DE69321019T2 DE69321019T2 (de) 1999-02-18

Family

ID=25341533

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69321019T Expired - Fee Related DE69321019T2 (de) 1992-04-06 1993-03-18 Mehrwegempfangsminimalisierung für einen Rundfunkempfänger

Country Status (3)

Country Link
US (1) US5249233A (de)
EP (1) EP0565256B1 (de)
DE (1) DE69321019T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5408685A (en) * 1992-04-06 1995-04-18 Ford Motor Company Multipath detector using phase comparison of stereo pilot signal
WO1994006213A1 (en) * 1992-09-02 1994-03-17 Motorola, Inc. Radio receiver
EP0691050B1 (de) * 1993-03-24 1996-12-18 Blaupunkt-Werke GmbH Schaltungsanordnung zur ableitung von signalen zur maskierung von audiosignalen
US5630224A (en) * 1994-12-29 1997-05-13 Motorola, Inc. Method and apparatus for avoiding desensitization of a radio frequency receiver
DE19542737A1 (de) * 1995-11-16 1997-05-22 Bayerische Motoren Werke Ag Schaltanordnung für mobile Rundfunkempfänger
US5828954A (en) * 1996-04-04 1998-10-27 Lucent Technologies Inc. Transmission system for digital audio broadcasting
US5678215A (en) * 1996-06-13 1997-10-14 Motorola, Inc. Method for frequency locking onto a pilot reference signal affected by multipath fading
US6032048A (en) * 1997-03-17 2000-02-29 Ericsson Inc. Method and apparatus for compensating for click noise in an FM receiver
US5848357A (en) * 1997-03-31 1998-12-08 Motorola, Inc. Method and apparatus in a radio communication system for implementing a frequency reuse plan
US6018664A (en) * 1998-04-23 2000-01-25 Motorola, Inc. Method of balancing availability of communication links in communication systems
US6944301B1 (en) 1999-03-10 2005-09-13 Cirrus Logic, Inc. Method and apparatus for discriminating multipath and pulse noise distortions in radio receivers
DE69917767T2 (de) * 1999-07-20 2005-06-02 Stmicroelectronics S.R.L., Agrate Brianza Empfängerteil eines Telephons
JP3670555B2 (ja) * 2000-05-24 2005-07-13 株式会社エヌ・ティ・ティ・ドコモ 無線通信装置及び無線通信方法
TWI244275B (en) * 2003-03-05 2005-11-21 Winbond Electronics Corp A rake receiver employable in multipath environment and method for mitigating the multipath interference
US7447284B2 (en) * 2003-03-28 2008-11-04 Freescale Semiconductor, Inc. Method and apparatus for signal noise control
KR20060056095A (ko) * 2004-11-19 2006-05-24 지씨티 세미컨덕터 인코포레이티드 집적화된 무선 수신 장치 및 그 방법
EP1679802A1 (de) * 2005-01-07 2006-07-12 Success Chip Ltd., c/o Offshore Incorporations Ltd., P.O. Box 957, Offshore Incorporations Center Verfahren und Schaltung zum Erzeugen und Detektieren eines Sendesignals
JP4916974B2 (ja) * 2007-08-03 2012-04-18 オンセミコンダクター・トレーディング・リミテッド Ｆｍチューナ
TWI433137B (zh) 2009-09-10 2014-04-01 Dolby Int Ab 藉由使用參數立體聲改良調頻立體聲收音機之聲頻信號之設備與方法
US9614561B2 (en) 2013-10-31 2017-04-04 Motorola Solutions, Inc. Method and apparatus for mitigating radio frequency interference (RFI) in a portable electronic device while conserving battery power
TWI617202B (zh) * 2016-07-14 2018-03-01 晨星半導體股份有限公司 立體音調頻接收器以及雙聲道分離方法
CN107707321A (zh) * 2016-08-08 2018-02-16 晨星半导体股份有限公司 立体声调频接收器以及双声道分离方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3537008A (en) * 1967-05-09 1970-10-27 Trw Inc Communications system incorporating means for combatting multipath interference
US4521918A (en) * 1980-11-10 1985-06-04 General Electric Company Battery saving frequency synthesizer arrangement
JPS57121345A (en) * 1981-01-20 1982-07-28 Sanyo Electric Co Ltd Pulse noise eliminating circuit
JPS6014524A (ja) * 1983-07-06 1985-01-25 Pioneer Electronic Corp マルチパス歪低減回路
JPS61202537A (ja) * 1985-03-06 1986-09-08 Clarion Co Ltd Ｆｍステレオ受信機におけるステレオ雑音低減回路
JPS62175025A (ja) * 1986-01-25 1987-07-31 Fujitsu Ten Ltd 雑音除去装置
NL8603221A (nl) * 1986-12-18 1988-07-18 Philips Nv Gemodificeerde multipaddetektor.
JPH0422584Y2 (de) * 1987-02-13 1992-05-25
US5036543A (en) * 1989-06-30 1991-07-30 Pioneer Electronic Corporation Noise suppression apparatus for FM receiver
US5202924A (en) * 1989-12-22 1993-04-13 Allegro Microsystems, Inc. Stereo FM radio receiver with variable band pass stereo decoder
JPH04134928A (ja) * 1990-09-26 1992-05-08 Pioneer Electron Corp ノイズ除去回路

Also Published As

Publication number Publication date
US5249233A (en) 1993-09-28
EP0565256A1 (de) 1993-10-13
EP0565256B1 (de) 1998-09-16
DE69321019T2 (de) 1999-02-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee