FR2481555B1 - - Google Patents
Info
- Publication number
- FR2481555B1 FR2481555B1 FR8108495A FR8108495A FR2481555B1 FR 2481555 B1 FR2481555 B1 FR 2481555B1 FR 8108495 A FR8108495 A FR 8108495A FR 8108495 A FR8108495 A FR 8108495A FR 2481555 B1 FR2481555 B1 FR 2481555B1
- Authority
- FR
- France
- 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
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/7908—Suppression of interfering signals at the reproducing side, e.g. noise
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
- H04N9/78—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/87—Regeneration of colour television signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Filters That Use Time-Delay Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5681480A JPS56153892A (en) | 1980-04-28 | 1980-04-28 | Comb type filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2481555A1 FR2481555A1 (fr) | 1981-10-30 |
| FR2481555B1 true FR2481555B1 (US06299757-20011009-C00006.png) | 1985-03-01 |
Family
ID=13037838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8108495A Granted FR2481555A1 (fr) | 1980-04-28 | 1981-04-28 | Circuit de traitement d'un signal video |
Country Status (7)
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4443817A (en) * | 1981-11-25 | 1984-04-17 | Faroudja Y C | Chroma noise reduction system for quadrature modulated color television picture signals |
| JPS58212289A (ja) * | 1982-06-03 | 1983-12-09 | Sony Corp | ノイズ除去回路 |
| SE453246B (sv) * | 1982-11-26 | 1988-01-18 | Rca Corp | Anordning och sett for bild-till-bildkamfiltrering av en sammansatt televisionssignal |
| JPS5997294A (ja) * | 1982-11-27 | 1984-06-05 | Toshiba Corp | 映像信号記録再生装置 |
| 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 |
| JPS6030296A (ja) * | 1983-07-29 | 1985-02-15 | Victor Co Of Japan Ltd | 映像信号記録装置及び映像信号記録再生装置 |
| JPS6051388A (ja) * | 1983-08-31 | 1985-03-22 | Sony Corp | 記録再生装置の二次ビートキャンセル回路 |
| JPS6054580A (ja) * | 1983-09-05 | 1985-03-29 | Sony Corp | 映像信号再生装置 |
| JPH0832067B2 (ja) * | 1984-11-19 | 1996-03-27 | ソニー株式会社 | カラー映像信号の再生装置 |
| JPS61134198A (ja) * | 1984-12-05 | 1986-06-21 | Matsushita Electric Ind Co Ltd | 映像信号処理装置 |
| US4646133A (en) * | 1984-12-18 | 1987-02-24 | Zenith Electronics Corporation | Adaptive comb filter and interpolator |
| US4584599A (en) * | 1984-12-19 | 1986-04-22 | Scientific Atlanta, Inc. | Signal to noise ratio enhancement using baseband signals in an FM television system |
| US4760449A (en) * | 1985-04-03 | 1988-07-26 | Matsushita Electric Industrial Co., Ltd. | Video signal processing apparatus |
| US4760470A (en) * | 1985-09-27 | 1988-07-26 | Ampex Corporation | Multi-standard adaptive dropout compensator |
| US4750037A (en) * | 1985-10-07 | 1988-06-07 | Victor Company Of Japan, Ltd. | Noise reduction system for video signal |
| JPS62245894A (ja) * | 1986-04-18 | 1987-10-27 | Sony Corp | 映像信号分離装置 |
| JPH07123307B2 (ja) * | 1986-05-20 | 1995-12-25 | ソニー株式会社 | Ｙ／ｃ分離回路 |
| US5029001A (en) * | 1986-08-14 | 1991-07-02 | Sony Corporation | NTSC compatible TV signal transmitting system for improving vertical resolution |
| JPH0198385A (ja) * | 1987-10-09 | 1989-04-17 | Sony Corp | 相関検出方式 |
| US4809070A (en) * | 1987-11-06 | 1989-02-28 | The Grass Valley Group, Inc. | Method and apparatus for adding texturing highlights to a video signal |
| US4951129A (en) * | 1989-01-09 | 1990-08-21 | Dubner Computer Systems, Inc. | Digital prefiltering of encoded video signals |
| JP2574515B2 (ja) * | 1990-05-16 | 1997-01-22 | 松下電器産業株式会社 | Ｙｃ分離回路 |
| DE4118673A1 (de) * | 1991-06-07 | 1992-12-10 | Thomson Brandt Gmbh | Videorecorder |
| US5633689A (en) * | 1995-12-29 | 1997-05-27 | Thomson Consumer Electronics, Inc. | Apparatus for separating a digital composite video signal into components |
| US6175389B1 (en) * | 1999-02-04 | 2001-01-16 | Conexant Systems, Inc. | Comb filtered signal separation |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2053513C3 (de) * | 1970-10-31 | 1975-08-14 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und Anordnung zur Vermeidung des Auflösungsverlustes in Vertikalrichtung eines Farbfernsehbildes |
| US4107736A (en) * | 1971-12-20 | 1978-08-15 | Image Transform, Inc. | Noise reduction system for video signals |
| DE2263678B2 (de) * | 1971-12-27 | 1976-04-29 | Hitachi, Ltd., Tokio | Schaltung zur auftrennung des ntsc-farbfernsehsignals |
| GB1431378A (en) * | 1972-04-19 | 1976-04-07 | Rca Corp | Colour information translating systems |
| US4184174A (en) * | 1977-01-20 | 1980-01-15 | Rca Corporation | Comb filter system |
| JPS592228B2 (ja) * | 1978-12-14 | 1984-01-17 | 松下電器産業株式会社 | テレビジョン信号の雑音除去方式 |
-
1980
- 1980-04-28 JP JP5681480A patent/JPS56153892A/ja active Granted
-
1981
- 1981-04-23 AU AU69767/81A patent/AU539911B2/en not_active Ceased
- 1981-04-27 US US06/257,631 patent/US4355333A/en not_active Expired - Fee Related
- 1981-04-28 GB GB8113035A patent/GB2075793B/en not_active Expired
- 1981-04-28 NL NL8102097A patent/NL8102097A/nl not_active Application Discontinuation
- 1981-04-28 DE DE19813116811 patent/DE3116811A1/de not_active Withdrawn
- 1981-04-28 FR FR8108495A patent/FR2481555A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3116811A1 (de) | 1982-04-08 |
| GB2075793A (en) | 1981-11-18 |
| NL8102097A (nl) | 1981-11-16 |
| AU539911B2 (en) | 1984-10-25 |
| GB2075793B (en) | 1984-02-15 |
| AU6976781A (en) | 1981-11-05 |
| JPS56153892A (en) | 1981-11-28 |
| JPH0154915B2 (US06299757-20011009-C00006.png) | 1989-11-21 |
| US4355333A (en) | 1982-10-19 |
| FR2481555A1 (fr) | 1981-10-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |