FR2540697B1 - Dispositif de reduction du bruit pour un signal video - Google Patents

Dispositif de reduction du bruit pour un signal video

Info

Publication number
FR2540697B1
FR2540697B1 FR8401901A FR8401901A FR2540697B1 FR 2540697 B1 FR2540697 B1 FR 2540697B1 FR 8401901 A FR8401901 A FR 8401901A FR 8401901 A FR8401901 A FR 8401901A FR 2540697 B1 FR2540697 B1 FR 2540697B1
Authority
FR
France
Prior art keywords
video signal
noise reduction
reduction device
noise
video
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
Application number
FR8401901A
Other languages
English (en)
Other versions
FR2540697A1 (fr
Inventor
Akira Hirota
Shinji Hirano
Hiroyuki Kitamura
Takuya Tsushima
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
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Publication of FR2540697A1 publication Critical patent/FR2540697A1/fr
Application granted granted Critical
Publication of FR2540697B1 publication Critical patent/FR2540697B1/fr
Expired 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
FR8401901A 1983-02-07 1984-02-07 Dispositif de reduction du bruit pour un signal video Expired FR2540697B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58018567A JPS59144288A (ja) 1983-02-07 1983-02-07 映像信号記録再生装置

Publications (2)

Publication Number Publication Date
FR2540697A1 FR2540697A1 (fr) 1984-08-10
FR2540697B1 true FR2540697B1 (fr) 1987-10-30

Family

ID=11975199

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8401901A Expired FR2540697B1 (fr) 1983-02-07 1984-02-07 Dispositif de reduction du bruit pour un signal video

Country Status (5)

Country Link
US (1) US4607285A (fr)
JP (1) JPS59144288A (fr)
DE (1) DE3404100C2 (fr)
FR (1) FR2540697B1 (fr)
GB (1) GB2137846B (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS61159876A (ja) * 1984-12-29 1986-07-19 Victor Co Of Japan Ltd 雑音除去回路
US4684976A (en) * 1985-04-18 1987-08-04 Mitsubishi Denki Kabushiki Kaisha Feedback comb-type filter
DE3520722A1 (de) * 1985-06-10 1986-12-11 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Verfahren und einrichtung zur verminderung des rauschens bei der wiedergabe von videosignalen
JPS6258793A (ja) * 1985-09-03 1987-03-14 Victor Co Of Japan Ltd テレビジヨン信号の同時化回路
US4750037A (en) 1985-10-07 1988-06-07 Victor Company Of Japan, Ltd. Noise reduction system for video signal
EP0254512B1 (fr) * 1986-07-21 1993-01-27 Victor Company Of Japan, Limited Dispositif d'enregistrement et de reproduction pour un signal vidéo
US4779133A (en) * 1986-10-23 1988-10-18 Nippon Television Network Corporation Low-noise television system
US4864404A (en) * 1987-05-22 1989-09-05 Victor Company Of Japan, Ltd. Noise reduction circuit of a video signal
US4860105A (en) * 1987-05-22 1989-08-22 Victor Company Of Japan, Ltd. Noise Reducing circuit of a video signal
US4907087A (en) * 1987-06-10 1990-03-06 Massachusetts Institute Of Technology Transmission of signals through analog channels using adaptive frequency modulation
US5040211A (en) * 1988-10-13 1991-08-13 Massachusetts Institute Of Technology Reliable television transmission through analog channels
JPH04180492A (ja) * 1990-11-15 1992-06-26 Sony Corp 映像信号記録再生装置
US5225910A (en) * 1990-11-20 1993-07-06 Nippon Television Network Corporation Adaptive operation type low noise television system
JPH0772463B2 (ja) * 1992-11-12 1995-08-02 ナショナル住宅産業株式会社 出窓装置
CN115333556B (zh) * 2022-08-10 2023-10-03 慷智集成电路(上海)有限公司 一种基于mipi协议的高速收发系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2296331A1 (fr) * 1974-12-24 1976-07-23 Thomson Csf Dispositif d'enregistrement magnetique d'un signal video composite de television en couleur et dispositifs de restitution de signaux correspondants
US4200889A (en) * 1976-12-27 1980-04-29 Basf Aktiengesellschaft Complementary pre-emphasis and de-emphasis circuits for a video signal transfer channel
JPS5412714A (en) * 1977-06-29 1979-01-30 Matsushita Electric Ind Co Ltd Recorder-reproducer
US4142211A (en) * 1977-11-23 1979-02-27 Microtime, Inc. Bidimensional noise reduction system for television
JPS54143021A (en) * 1978-04-28 1979-11-07 Sony Corp Processing circuit of video signal
DE2950764A1 (de) * 1979-12-17 1981-07-23 Basf Ag, 6700 Ludwigshafen Anordnung zur entzerrung eines breitbandsignals, insbesondere eines videosignals mit oder ohne farbinformation in einem signal-aufzeichnungs/wiedergabe-system
US4316210A (en) * 1980-08-28 1982-02-16 Rca Corporation Video signal processing apparatus
JPS58121882A (ja) * 1982-01-16 1983-07-20 Sony Corp 映像及び音声信号再生装置
JPS58147367U (ja) * 1982-03-30 1983-10-04 ソニー株式会社 映像信号の記録再生回路

Also Published As

Publication number Publication date
GB8403148D0 (en) 1984-03-14
JPS59144288A (ja) 1984-08-18
GB2137846B (en) 1986-09-10
FR2540697A1 (fr) 1984-08-10
JPH023356B2 (fr) 1990-01-23
US4607285A (en) 1986-08-19
DE3404100C2 (de) 1986-06-26
DE3404100A1 (de) 1984-08-16
GB2137846A (en) 1984-10-10

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