DE69118266D1 - Detektor der Spitzen einer Signalstärke für eine automatische Abstimmschaltung - Google Patents

Detektor der Spitzen einer Signalstärke für eine automatische Abstimmschaltung

Info

Publication number
DE69118266D1
DE69118266D1 DE69118266T DE69118266T DE69118266D1 DE 69118266 D1 DE69118266 D1 DE 69118266D1 DE 69118266 T DE69118266 T DE 69118266T DE 69118266 T DE69118266 T DE 69118266T DE 69118266 D1 DE69118266 D1 DE 69118266D1
Authority
DE
Germany
Prior art keywords
signal strength
tuning circuit
automatic tuning
strength peaks
peaks 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.)
Expired - Fee Related
Application number
DE69118266T
Other languages
English (en)
Other versions
DE69118266T2 (de
Inventor
Hisao Ishii
Shinichi Yamasaki
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of DE69118266D1 publication Critical patent/DE69118266D1/de
Application granted granted Critical
Publication of DE69118266T2 publication Critical patent/DE69118266T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18—Automatic scanning over a band of frequencies
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18—Automatic scanning over a band of frequencies
    • H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
    • H03J7/24—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes
    • H03J7/26—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes in which an automatic frequency control circuit is brought into action after the scanning action has been stopped

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Circuits Of Receivers In General (AREA)
DE69118266T 1990-06-29 1991-06-27 Detektor der Spitzen einer Signalstärke für eine automatische Abstimmschaltung Expired - Fee Related DE69118266T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2171846A JP2542955B2 (ja) 1990-06-29 1990-06-29 自動選局回路における信号強度のピ―ク検出回路

Publications (2)

Publication Number Publication Date
DE69118266D1 true DE69118266D1 (de) 1996-05-02
DE69118266T2 DE69118266T2 (de) 1996-10-31

Family

ID=15930857

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69118266T Expired - Fee Related DE69118266T2 (de) 1990-06-29 1991-06-27 Detektor der Spitzen einer Signalstärke für eine automatische Abstimmschaltung

Country Status (5)

Country Link
US (1) US5280641A (de)
EP (1) EP0469301B1 (de)
JP (1) JP2542955B2 (de)
KR (1) KR0156938B1 (de)
DE (1) DE69118266T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6004547A (en) 1997-09-29 1999-12-21 Focal, Inc. Apparatus and method for local application of polymeric material to tissue
US5564082A (en) * 1994-05-06 1996-10-08 At&T Corp. Diversity antenna for a wrist telephone
US6122493A (en) * 1995-11-27 2000-09-19 Sanyo Electric Co., Ltd. Radio receiver having automatic broadcasting-station selecting function
JPH10145188A (ja) * 1996-11-07 1998-05-29 Sony Corp 受信装置
JP2880971B2 (ja) * 1996-11-15 1999-04-12 埼玉日本電気株式会社 周波数安定化回路
JP3549361B2 (ja) * 1997-05-13 2004-08-04 三菱電機株式会社 ディジタル音声放送受信機
US6639926B1 (en) * 1998-03-25 2003-10-28 Mitsubishi Chemical Corporation Semiconductor light-emitting device
KR20040104604A (ko) * 2002-04-26 2004-12-10 톰슨 라이센싱 소시에떼 아노님 안테나 특성에 적응하기 위해 전자적으로 조정가능한 중심주파수를 갖는 튜너 입력 필터
JP3906173B2 (ja) * 2003-03-17 2007-04-18 松下電器産業株式会社 可変利得増幅回路
US7366606B2 (en) * 2004-04-06 2008-04-29 Honda Motor Co., Ltd. Method for refining traffic flow data
JP4099484B2 (ja) * 2005-02-09 2008-06-11 株式会社カイザーテクノロジー 通信システム。
GB201317461D0 (en) * 2013-10-02 2013-11-13 Imagination Tech Ltd Satellite scanning

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2084379A (en) * 1935-07-09 1937-06-22 Rca Corp Automatic fidelity control circuit
US4264977A (en) * 1979-08-29 1981-04-28 Rca Corporation Search type tuning system
US4334323A (en) * 1980-09-08 1982-06-08 Zenith Radio Corporation Self tracking tuner
US4383333A (en) * 1981-03-04 1983-05-10 General Electric Company AM Radio having an automatic fine tuning circuit
US4435841A (en) * 1982-03-01 1984-03-06 Zenith Radio Corporation Communications receiver having a switchable filter input stage
JPH01133409A (ja) * 1987-11-19 1989-05-25 Sanyo Electric Co Ltd オートサーチチューナ
JP2760552B2 (ja) * 1988-03-17 1998-06-04 三洋電機株式会社 受信機

Also Published As

Publication number Publication date
EP0469301B1 (de) 1996-03-27
EP0469301A2 (de) 1992-02-05
KR0156938B1 (ko) 1998-11-16
KR920001871A (ko) 1992-01-30
JPH0461511A (ja) 1992-02-27
US5280641A (en) 1994-01-18
EP0469301A3 (en) 1992-09-23
JP2542955B2 (ja) 1996-10-09
DE69118266T2 (de) 1996-10-31

Similar Documents

Publication Publication Date Title
DE69416345D1 (de) Automatische Frequenzabstimmung mit Signalstärkemessungen mit geteiltem Band
DE69026646D1 (de) Phasendifferenz-Detektorschaltung
DE3068199D1 (en) Signal condition detector circuit
DE69028077D1 (de) Automatische Verstärkerschaltung
DE69118266D1 (de) Detektor der Spitzen einer Signalstärke für eine automatische Abstimmschaltung
DE69031482D1 (de) Automatisches Analysiergerät
DE69024533D1 (de) Schnelle Empfangssignalpegelangabe
DE69128002D1 (de) Detektor-Schaltkreis
FI901552A0 (fi) Digitaalisen signaalin lukituspiiri
EP0426297A3 (en) Ratiometric measurement circuit with improved noise rejection
DE69024687D1 (de) Automatische Frequenzabstimmungsschaltung
KR910012730A (ko) 디지탈 멀티미터의 측정레인지 자동선택회로
DE69022341D1 (de) Detektorschaltung für amplitudenmodulierte Signale.
DE69000868D1 (de) Detektorschaltung.
DE59208948D1 (de) Verfahren und schaltung für eine automatische, hochpräzise frequenz-feinabstimmung
DK85891D0 (da) Modtageapparat for mikroboelgesignaler
GB2194406B (en) Optical signal receiver circuits
DE69031827D1 (de) Abstimmdetektorschaltung
DE59009280D1 (de) Synchronsignal-Detektor.
DE59108038D1 (de) Empfangsgerät für Hochfrequenzsignale
KR910006564U (ko) 방송신호의 세기를 이용한 자동 샤프니스회로
AT383451B (de) Signaldetektorschaltung
DE69025786D1 (de) Detektor für MSK-Signale
DE69132330D1 (de) Detektor für Quadraturfrequenz-Modulationssignal
DE69115343D1 (de) Korrelationsdetektor für FM-Signale

Legal Events

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