DE3504407A1 - Frequenznachlaufeinrichtung in einem stereo-fm-rundfunkempfaenger - Google Patents

Frequenznachlaufeinrichtung in einem stereo-fm-rundfunkempfaenger

Info

Publication number
DE3504407A1
DE3504407A1 DE19853504407 DE3504407A DE3504407A1 DE 3504407 A1 DE3504407 A1 DE 3504407A1 DE 19853504407 DE19853504407 DE 19853504407 DE 3504407 A DE3504407 A DE 3504407A DE 3504407 A1 DE3504407 A1 DE 3504407A1
Authority
DE
Germany
Prior art keywords
voltage
noise
signal
stereo
components
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.)
Ceased
Application number
DE19853504407
Other languages
German (de)
English (en)
Inventor
Toshiyuki Tokio/Tokyo Imagawa
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.)
Faurecia Clarion Electronics Co Ltd
Original Assignee
Clarion 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 Clarion Co Ltd filed Critical Clarion Co Ltd
Publication of DE3504407A1 publication Critical patent/DE3504407A1/de
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
    • H04H40/36—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving
    • H04H40/45—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving
    • H04H40/54—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving generating subcarriers
    • 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
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
    • H04H40/36—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving
    • H04H40/45—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving
    • H04H40/72—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving for noise suppression

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Noise Elimination (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
DE19853504407 1984-02-09 1985-02-08 Frequenznachlaufeinrichtung in einem stereo-fm-rundfunkempfaenger Ceased DE3504407A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59023749A JPS60165834A (ja) 1984-02-09 1984-02-09 自動周波数制御回路

Publications (1)

Publication Number Publication Date
DE3504407A1 true DE3504407A1 (de) 1985-08-14

Family

ID=12118960

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853504407 Ceased DE3504407A1 (de) 1984-02-09 1985-02-08 Frequenznachlaufeinrichtung in einem stereo-fm-rundfunkempfaenger

Country Status (3)

Country Link
US (1) US4620315A (en:Method)
JP (1) JPS60165834A (en:Method)
DE (1) DE3504407A1 (en:Method)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH0669150B2 (ja) * 1985-05-16 1994-08-31 クラリオン株式会社 Ｆｍ受信機
US4691357A (en) * 1985-06-14 1987-09-01 Pioneer Electronic Corporation Stereophonic receiving circuit providing improved switching characteristics between stereophonic and monaural modes
JP3018634B2 (ja) * 1991-09-05 2000-03-13 日本電気株式会社 Ｆｍ雑音低減回路
JP2601764Y2 (ja) * 1992-07-10 1999-12-06 パイオニア株式会社 Ｆｍチューナ
JP3368879B2 (ja) * 1999-12-22 2003-01-20 三菱電機株式会社 マルチパスノイズ除去装置、オーディオ出力装置およびｆｍ受信機

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3823268A (en) * 1972-06-07 1974-07-09 Mc Intosh Labor Inc Dynamic stereo separation control
US4063039A (en) * 1976-06-16 1977-12-13 General Motors Corporation Stereo noise reduction circuit
US4157455A (en) * 1976-07-14 1979-06-05 Pioneer Electronic Corporation FM stereophonic receiver having muting and mode changing
DE2134892C2 (de) * 1970-07-13 1983-01-20 Sony Corp., Tokyo FM-Stereoempfänger
US4390749A (en) * 1981-04-13 1983-06-28 Superscope, Inc. Noise control system for FM radio

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5646346A (en) * 1979-09-21 1981-04-27 Hitachi Ltd Control system for fm stereo demodulation
US4416024A (en) * 1979-12-17 1983-11-15 Sanyo Electric Co., Inc. Distortion reducing circuit in FM receiver
JPS57121345A (en) * 1981-01-20 1982-07-28 Sanyo Electric Co Ltd Pulse noise eliminating circuit
JPS57196631A (en) * 1981-05-28 1982-12-02 Sanyo Electric Co Ltd Detecting circuit for pulse noise

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2134892C2 (de) * 1970-07-13 1983-01-20 Sony Corp., Tokyo FM-Stereoempfänger
US3823268A (en) * 1972-06-07 1974-07-09 Mc Intosh Labor Inc Dynamic stereo separation control
US4063039A (en) * 1976-06-16 1977-12-13 General Motors Corporation Stereo noise reduction circuit
US4157455A (en) * 1976-07-14 1979-06-05 Pioneer Electronic Corporation FM stereophonic receiver having muting and mode changing
US4390749A (en) * 1981-04-13 1983-06-28 Superscope, Inc. Noise control system for FM radio

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SCHMIDT, Wilhelm: Alles in einem Block. In: Funkschau, 1982, H. 5, S. 61-63 *

Also Published As

Publication number Publication date
JPH0126575B2 (en:Method) 1989-05-24
US4620315A (en) 1986-10-28
JPS60165834A (ja) 1985-08-29

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8120 Willingness to grant licences paragraph 23
8131 Rejection