FR2540697B1 - Dispositif de reduction du bruit pour un signal video - Google Patents
Dispositif de reduction du bruit pour un signal videoInfo
- 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
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)
- Picture Signal Circuits (AREA)
- Television Signal Processing For Recording (AREA)
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)
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 |
DE3783820T2 (de) * | 1986-07-21 | 1993-08-26 | Victor Company Of Japan | Vorrichtung zum aufzeichnen und wiedergeben fuer ein videosignal. |
US4779133A (en) * | 1986-10-23 | 1988-10-18 | Nippon Television Network Corporation | Low-noise television system |
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 |
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)
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 |
-
1983
- 1983-02-07 JP JP58018567A patent/JPS59144288A/ja active Granted
-
1984
- 1984-02-02 US US06/576,155 patent/US4607285A/en not_active Expired - Lifetime
- 1984-02-07 DE DE3404100A patent/DE3404100C2/de not_active Expired
- 1984-02-07 FR FR8401901A patent/FR2540697B1/fr not_active Expired
- 1984-02-07 GB GB08403148A patent/GB2137846B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3404100C2 (de) | 1986-06-26 |
GB2137846A (en) | 1984-10-10 |
JPH023356B2 (fr) | 1990-01-23 |
GB2137846B (en) | 1986-09-10 |
JPS59144288A (ja) | 1984-08-18 |
FR2540697A1 (fr) | 1984-08-10 |
DE3404100A1 (de) | 1984-08-16 |
US4607285A (en) | 1986-08-19 |
GB8403148D0 (en) | 1984-03-14 |
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