DE3927873A1 - Entstoerungssystem zur unterdrueckung von stoerung durch nachbarkanal fuer einen fm-empfaenger und verfahren hierfuer - Google Patents

Entstoerungssystem zur unterdrueckung von stoerung durch nachbarkanal fuer einen fm-empfaenger und verfahren hierfuer

Info

Publication number
DE3927873A1
DE3927873A1 DE3927873A DE3927873A DE3927873A1 DE 3927873 A1 DE3927873 A1 DE 3927873A1 DE 3927873 A DE3927873 A DE 3927873A DE 3927873 A DE3927873 A DE 3927873A DE 3927873 A1 DE3927873 A1 DE 3927873A1
Authority
DE
Germany
Prior art keywords
intermediate frequency
signal
control signal
signals
detector
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.)
Withdrawn
Application number
DE3927873A
Other languages
German (de)
English (en)
Inventor
Eizi Ueno
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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.)
Filing date
Publication date
Application filed by Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Publication of DE3927873A1 publication Critical patent/DE3927873A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/24—Automatic control in frequency-selective amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
    • H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier in emitter-coupled or cascode amplifiers
    • 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
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received 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
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • H04B2001/1054—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal by changing bandwidth

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
DE3927873A 1988-08-24 1989-08-23 Entstoerungssystem zur unterdrueckung von stoerung durch nachbarkanal fuer einen fm-empfaenger und verfahren hierfuer Withdrawn DE3927873A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988110010U JPH0232248U (US08066781-20111129-C00013.png) 1988-08-24 1988-08-24

Publications (1)

Publication Number Publication Date
DE3927873A1 true DE3927873A1 (de) 1990-03-22

Family

ID=14524827

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3927873A Withdrawn DE3927873A1 (de) 1988-08-24 1989-08-23 Entstoerungssystem zur unterdrueckung von stoerung durch nachbarkanal fuer einen fm-empfaenger und verfahren hierfuer

Country Status (4)

Country Link
US (1) US4907293A (US08066781-20111129-C00013.png)
JP (1) JPH0232248U (US08066781-20111129-C00013.png)
DE (1) DE3927873A1 (US08066781-20111129-C00013.png)
FR (1) FR2636185B1 (US08066781-20111129-C00013.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5222255A (en) * 1991-08-05 1993-06-22 Ford Motor Company Intermodulation controller for radio receiver
DE10249353B4 (de) * 2002-10-23 2015-01-22 Robert Bosch Gmbh FM-Selektionsfilteranordnung und Verfahren zur Steuerung einer FM-Selektionsfilteranordnung

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02186723A (ja) * 1988-08-25 1990-07-23 Nec Corp 受信機
US5001776A (en) * 1988-10-27 1991-03-19 Motorola Inc. Communication system with adaptive transceivers to control intermodulation distortion
US5151939A (en) * 1990-03-21 1992-09-29 Delco Electronics Corporation Adaptive audio processor for am stereo signals
EP0459383A3 (en) * 1990-05-30 1993-12-15 Pioneer Electronic Corp Radio receiver
JPH04216326A (ja) * 1990-12-18 1992-08-06 Pioneer Electron Corp クロストーク量検出装置
US5307515A (en) * 1991-08-05 1994-04-26 Ford Motor Company Adjacent channel controller for radio receiver
JP2876837B2 (ja) * 1991-08-20 1999-03-31 日本電気株式会社 検波回路
US5379445A (en) * 1991-11-01 1995-01-03 Comsat Automatic gain control for reducing effects of jamming
FI98580C (fi) * 1991-11-14 1997-07-10 Nokia Mobile Phones Ltd Selektiivisyyssuodatus solukkopuhelimessa
JP2825389B2 (ja) * 1991-11-22 1998-11-18 株式会社東芝 Ｆｍ受信機
DE4208605A1 (de) * 1992-03-18 1993-09-23 Blaupunkt Werke Gmbh Schaltungsanordnung zur nachbarkanalerkennung und -unterdrueckung in einem rundfunkempfaenger
US5507037A (en) * 1992-05-22 1996-04-09 Advanced Micro Devices, Inc. Apparatus and method for discriminating signal noise from saturated signals and from high amplitude signals
WO1994006213A1 (en) * 1992-09-02 1994-03-17 Motorola, Inc. Radio receiver
DE4319457C2 (de) * 1993-06-11 1997-09-04 Blaupunkt Werke Gmbh Schaltungsanordnung zur Nachbarkanalerkennung und -unterdrückung in einem FM-Rundfunkempfänger
US6178314B1 (en) 1997-06-27 2001-01-23 Visteon Global Technologies, Inc. Radio receiver with adaptive bandwidth controls at intermediate frequency and audio frequency sections
US6058148A (en) * 1997-06-27 2000-05-02 Ford Motor Company Digital processing radio receiver with adaptive bandwidth control
US6047171A (en) * 1998-01-08 2000-04-04 Ericsson Inc. Method and apparatus for combating adjacent channel interference using multiple IF filters
JP3579241B2 (ja) * 1998-02-24 2004-10-20 三洋電機株式会社 Ｆｍラジオ受信機
US6389273B1 (en) * 1999-08-23 2002-05-14 Delphi Technologies, Inc. Adjacent channel interference reduction in a FM receiver
EP1500194A1 (en) * 2002-04-26 2005-01-26 Thomson Licensing S.A. Tuner input filter with electronically adjustable center frequency for adapting to antenna characteristic
US7221917B2 (en) * 2002-05-01 2007-05-22 Ibiquity Digital Corporation Adjacent channel interference mitigation for FM digital audio broadcasting receivers
JP3465707B1 (ja) * 2002-05-27 2003-11-10 日本電気株式会社 キャリアセンス多重接続方式の受信機とその干渉抑圧方法
US7194050B2 (en) * 2002-09-30 2007-03-20 Nortel Networks Limited Reducing narrowband interference in a wideband signal
US7197291B2 (en) * 2003-10-03 2007-03-27 Motorola, Inc. Multimode receiver and method for controlling signal interference
US7206564B2 (en) * 2003-10-16 2007-04-17 Broadcom Corporation System and method to perform adaptive channel filtering on a radio frequency burst in a cellular wireless network
US20070184806A1 (en) * 2004-06-07 2007-08-09 Broadcom Corporation A California Corporation System and method to perform adaptive channel filtering on a radio frequency burst in a cellular
KR20060056095A (ko) * 2004-11-19 2006-05-24 지씨티 세미컨덕터 인코포레이티드 집적화된 무선 수신 장치 및 그 방법
WO2006059550A1 (ja) * 2004-11-30 2006-06-08 Pioneer Corporation 受信装置および受信方法
WO2015008802A1 (ja) 2013-07-16 2015-01-22 日本電気株式会社 無線受信回路、無線受信方法および無線受信プログラム
EP3407637A1 (en) * 2017-05-26 2018-11-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Reduction of interference between neighbor transmissions

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1616787B1 (de) * 1962-12-21 1972-06-29 Siemens Ag Fm-richtfunksystem fuer einrichtungen der elektrischen nachrichtentechnik
US3953802A (en) * 1974-06-06 1976-04-27 Edmac Associates Inc. Adjacent channel rejector
DE2803979C2 (US08066781-20111129-C00013.png) * 1977-01-31 1988-09-15 Leonard Richard Freeport N.Y. Us Kahn

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3671867A (en) * 1970-04-15 1972-06-20 Us Navy Noise suppression arrangement for communication receivers
US4206317A (en) * 1977-01-31 1980-06-03 Kahn Leonard R Reduction of adjacent channel interference
US4356567A (en) * 1977-06-28 1982-10-26 Pioneer Electronic Corporation Radio receiver with bandwidth switching
JPS6035856B2 (ja) * 1978-10-28 1985-08-16 ヤマハ株式会社 受信機
US4549312A (en) * 1980-02-29 1985-10-22 Digital Marine Electronics Corporation Radio receiver with automatic interference and distortion compensation
US4388731A (en) * 1981-07-01 1983-06-14 Rockwell International Corporation Receiver with squelch for offset carrier environment
US4498195A (en) * 1982-03-05 1985-02-05 Nippon Telegraph & Telephone Public Corporation Radio interference detection device for use in a multi-channel access angle-modulation radio system
JPS59185433A (ja) * 1983-04-06 1984-10-22 Trio Kenwood Corp Ａｍ受信機
JPS60212039A (ja) * 1984-04-05 1985-10-24 Fujitsu Ten Ltd 受信機
US4673982A (en) * 1984-10-04 1987-06-16 Centre De Recherche Industrielle Du Quebec Multiple frequency adaptive noise filter for removing interference signals from a frequency band having a desired signal
US4739518A (en) * 1986-05-22 1988-04-19 Motorola, Inc. Receiver interference suppression system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1616787B1 (de) * 1962-12-21 1972-06-29 Siemens Ag Fm-richtfunksystem fuer einrichtungen der elektrischen nachrichtentechnik
US3953802A (en) * 1974-06-06 1976-04-27 Edmac Associates Inc. Adjacent channel rejector
DE2803979C2 (US08066781-20111129-C00013.png) * 1977-01-31 1988-09-15 Leonard Richard Freeport N.Y. Us Kahn

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5222255A (en) * 1991-08-05 1993-06-22 Ford Motor Company Intermodulation controller for radio receiver
DE10249353B4 (de) * 2002-10-23 2015-01-22 Robert Bosch Gmbh FM-Selektionsfilteranordnung und Verfahren zur Steuerung einer FM-Selektionsfilteranordnung

Also Published As

Publication number Publication date
FR2636185B1 (US08066781-20111129-C00013.png) 1993-07-23
US4907293A (en) 1990-03-06
JPH0232248U (US08066781-20111129-C00013.png) 1990-02-28
FR2636185A1 (US08066781-20111129-C00013.png) 1990-03-09

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Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8120 Willingness to grant licences paragraph 23
8139 Disposal/non-payment of the annual fee