DE3679027D1 - Anordnung zur verminderung des rauschens bei einem videosignal. - Google Patents

Anordnung zur verminderung des rauschens bei einem videosignal.

Info

Publication number
DE3679027D1
DE3679027D1 DE8686307726T DE3679027T DE3679027D1 DE 3679027 D1 DE3679027 D1 DE 3679027D1 DE 8686307726 T DE8686307726 T DE 8686307726T DE 3679027 T DE3679027 T DE 3679027T DE 3679027 D1 DE3679027 D1 DE 3679027D1
Authority
DE
Germany
Prior art keywords
arrangement
video signal
reducing noise
noise
reducing
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 - Lifetime
Application number
DE8686307726T
Other languages
English (en)
Inventor
Koichi Kido
Yasutoshi Matsuo
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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
Priority claimed from JP60223162A external-priority patent/JPS6282787A/ja
Priority claimed from JP60223161A external-priority patent/JPS6282786A/ja
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Application granted granted Critical
Publication of DE3679027D1 publication Critical patent/DE3679027D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/923—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback using preemphasis of the signal before modulation and deemphasis of the signal after demodulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Picture Signal Circuits (AREA)
DE8686307726T 1985-10-07 1986-10-07 Anordnung zur verminderung des rauschens bei einem videosignal. Expired - Lifetime DE3679027D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP60223162A JPS6282787A (ja) 1985-10-07 1985-10-07 輝度信号記録再生装置
JP60223161A JPS6282786A (ja) 1985-10-07 1985-10-07 輝度信号記録再生装置

Publications (1)

Publication Number Publication Date
DE3679027D1 true DE3679027D1 (de) 1991-06-06

Family

ID=26525301

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8686307726T Expired - Lifetime DE3679027D1 (de) 1985-10-07 1986-10-07 Anordnung zur verminderung des rauschens bei einem videosignal.
DE198686307726T Pending DE221684T1 (de) 1985-10-07 1986-10-07 Anordnung zur verminderung des rauschens bei einem videosignal.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE198686307726T Pending DE221684T1 (de) 1985-10-07 1986-10-07 Anordnung zur verminderung des rauschens bei einem videosignal.

Country Status (3)

Country Link
US (1) US4750037A (de)
EP (1) EP0221684B1 (de)
DE (2) DE3679027D1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4941055A (en) * 1986-12-09 1990-07-10 Canon Kabushiki Kaisha Recording apparatus with improved S/N ratio
US4860105A (en) * 1987-05-22 1989-08-22 Victor Company Of Japan, Ltd. Noise Reducing circuit of a video signal
US4864404A (en) * 1987-05-22 1989-09-05 Victor Company Of Japan, Ltd. Noise reduction circuit of a video signal
US5097336A (en) * 1987-09-22 1992-03-17 Canon Kabushiki Kaisha Signal processing apparatus
US4926361A (en) * 1987-09-22 1990-05-15 Hitachi, Ltd. Digital noise reducer
JPH01123590A (ja) * 1987-11-07 1989-05-16 Mitsubishi Electric Corp ビデオ信号処理回路
JP2545969B2 (ja) * 1989-03-15 1996-10-23 日本ビクター株式会社 画像信号の雑音軽減回路
US5262863A (en) * 1989-10-06 1993-11-16 Kabushiki Kaisha Toshiba Video signal processor having an adjustable noise cancelling circuit
US5105275A (en) * 1990-01-31 1992-04-14 Sanyo Electric Co., Ltd. Noise reduction circuit for video signal recording/reproduction device
JPH0589594A (ja) * 1991-09-30 1993-04-09 Sony Corp ビデオデイスク再生装置
US5325203A (en) * 1992-04-16 1994-06-28 Sony Corporation Adaptively controlled noise reduction device for producing a continuous output
EP0580144B1 (de) * 1992-07-21 1999-01-13 Victor Company Of Japan, Limited Vorrichtung zum Aufnehmen und Wiedergeben eines Videosignals mit Signalverarbeitung mit Vor- und Nachverzerrung
KR970009467B1 (ko) * 1992-07-21 1997-06-13 니뽕 빅터 가부시끼 가이샤 영상 신호 기록 장치 및 그 재생 장치
US5526136A (en) * 1992-12-24 1996-06-11 Victor Company Of Japan, Ltd. Method and apparatus for reproducing a video signal subject to pre-emphasis

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56153892A (en) * 1980-04-28 1981-11-28 Sony Corp Comb type filter
DE3114275A1 (de) * 1981-04-09 1982-11-04 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und schaltungsanordnung zum verdecken von fehlern in einem digitalen videosignal
JPS5956204A (ja) * 1982-09-25 1984-03-31 Victor Co Of Japan Ltd 記録再生装置
JPS59144288A (ja) 1983-02-07 1984-08-18 Victor Co Of Japan Ltd 映像信号記録再生装置
CA1202413A (en) * 1983-04-07 1986-03-25 Shintaro Nakagaki Noise reduction circuit for a video signal
JPS6030295A (ja) * 1983-07-29 1985-02-15 Victor Co Of Japan Ltd 搬送色信号の記録再生装置
JPS6030285A (ja) * 1983-07-29 1985-02-15 Victor Co Of Japan Ltd 映像信号記録再生装置
JPS6184972A (ja) * 1984-10-03 1986-04-30 Hitachi Ltd 映像信号の垂直方向エンフアシス回路

Also Published As

Publication number Publication date
EP0221684B1 (de) 1991-05-02
DE221684T1 (de) 1987-09-24
US4750037A (en) 1988-06-07
EP0221684A1 (de) 1987-05-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

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