DE3576025D1 - Am/fm-empfaenger mit automatischem abstimmverfahren. - Google Patents

Am/fm-empfaenger mit automatischem abstimmverfahren.

Info

Publication number
DE3576025D1
DE3576025D1 DE8585112188T DE3576025T DE3576025D1 DE 3576025 D1 DE3576025 D1 DE 3576025D1 DE 8585112188 T DE8585112188 T DE 8585112188T DE 3576025 T DE3576025 T DE 3576025T DE 3576025 D1 DE3576025 D1 DE 3576025D1
Authority
DE
Germany
Prior art keywords
receiver
automatic tuning
tuning procedure
procedure
automatic
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
DE8585112188T
Other languages
English (en)
Inventor
Masami Miura
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.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE3576025D1 publication Critical patent/DE3576025D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/06—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers
    • H03J7/065—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers the counter or frequency divider being used in a phase locked loop
DE8585112188T 1984-09-26 1985-09-26 Am/fm-empfaenger mit automatischem abstimmverfahren. Expired - Fee Related DE3576025D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59200904A JPS6178230A (ja) 1984-09-26 1984-09-26 集積化ａｍ／ｆｍ切換回路

Publications (1)

Publication Number Publication Date
DE3576025D1 true DE3576025D1 (de) 1990-03-15

Family

ID=16432192

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585112188T Expired - Fee Related DE3576025D1 (de) 1984-09-26 1985-09-26 Am/fm-empfaenger mit automatischem abstimmverfahren.

Country Status (4)

Country Link
US (1) US4688264A (de)
EP (1) EP0182049B1 (de)
JP (1) JPS6178230A (de)
DE (1) DE3576025D1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63242030A (ja) * 1987-03-30 1988-10-07 Toshiba Corp 広帯域周波数シンセサイザ受信機
JPS6411408A (en) * 1987-07-03 1989-01-17 Nec Corp Automatic frequency sweeping method for frequency synthesizer type channel selecting device
HU207628B (en) * 1988-12-31 1993-04-28 Samsung Electronics Co Ltd Voice signal recognition unit
CA2049969A1 (en) * 1989-03-28 1990-09-29 Andrew A. Andros Paging receiver with continuously tunable antenna and rf amplifier
NL8901460A (nl) * 1989-06-08 1991-01-02 Philips Nv Ontvanger voor terrestriele am- en satelliet fm-tv-omroepsignalen.
JPH0648778B2 (ja) * 1989-09-29 1994-06-22 三洋電機株式会社 衛星放送受信装置のａｆｃ方法
US5125105A (en) * 1989-11-30 1992-06-23 Ford Motor Company High-quality reception indicating circuit for fm receivers
JPH03293824A (ja) * 1990-04-12 1991-12-25 Pioneer Electron Corp ラジオ受信機
US5280638A (en) * 1991-09-06 1994-01-18 Ford Motor Company RF filter self-alignment for multiband radio receiver
JP3049164B2 (ja) * 1992-12-25 2000-06-05 株式会社ケンウッド データ多重放送用チューナ
DE19603721A1 (de) * 1996-02-02 1997-08-07 Telefunken Microelectron Schaltungsanordnung eines Rundfunkempfängers
US6373398B2 (en) * 1997-06-10 2002-04-16 Kabushiki Kaisha Toshiba Automobile tuner system
US6385442B1 (en) * 1998-03-04 2002-05-07 Symbol Technologies, Inc. Multiphase receiver and oscillator
US7123892B2 (en) * 2003-10-10 2006-10-17 Freescale Semiconductor, Inc. Architecture for an AM/FM digital intermediate frequency radio
JP2011061698A (ja) * 2009-09-14 2011-03-24 Mitsumi Electric Co Ltd 受信装置及び受信装置用半導体集積回路

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665507A (en) * 1971-01-04 1972-05-23 Gen Electric Signal processor for reception of amplitude or frequency modulated signals
US3803494A (en) * 1972-04-07 1974-04-09 Bendix Corp Pulse tuning control system for radio receivers
JPS5630969B2 (de) * 1973-06-19 1981-07-18
US3852671A (en) * 1973-06-25 1974-12-03 Gte Sylvania Inc Communication receiving apparatus employing several samples of baseboard noise to detect an incoming signal and turn on the apparatus
US3976943A (en) * 1974-08-19 1976-08-24 Texas Instruments Incorporated Phase lock loop AM/FM receiver
JPS54114915A (en) * 1978-02-28 1979-09-07 Sanshin Denki Kk Radio receiver channel selector
NL176511C (nl) * 1979-01-17 1985-04-16 Philips Nv Ontvanger met een zenderzoekschakeling.
JPS5922409B2 (ja) * 1979-02-26 1984-05-26 シャープ株式会社 電子同調方式のラジオ受信機
JPS57194619A (en) * 1981-05-27 1982-11-30 Toshiba Corp Control circuit for discrimination of auto search stop of receiver
JPS58156232A (ja) * 1982-03-12 1983-09-17 Hitachi Ltd Ａｍ／ｆｍラジオ受信機
JPS5979625A (ja) * 1982-10-27 1984-05-08 Clarion Co Ltd Ｐｌｌ周波数シンセサイザ方式の２バンド・ラジオ受信機用のオ−ト・スキヤン切換装置

Also Published As

Publication number Publication date
EP0182049B1 (de) 1990-02-07
EP0182049A3 (en) 1987-11-25
US4688264A (en) 1987-08-18
JPH0438167B2 (de) 1992-06-23
JPS6178230A (ja) 1986-04-21
EP0182049A2 (de) 1986-05-28

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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