BE872665A - Circuit de suppression de la contamination des signaux de chrominance par des signaux de luminance dans un systeme de traitement de signaux video - Google Patents
Circuit de suppression de la contamination des signaux de chrominance par des signaux de luminance dans un systeme de traitement de signaux videoInfo
- Publication number
- BE872665A BE872665A BE192246A BE192246A BE872665A BE 872665 A BE872665 A BE 872665A BE 192246 A BE192246 A BE 192246A BE 192246 A BE192246 A BE 192246A BE 872665 A BE872665 A BE 872665A
- Authority
- BE
- Belgium
- Prior art keywords
- signals
- suppression
- contamination
- circuit
- signal processing
- Prior art date
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/859,863 US4167020A (en) | 1977-12-12 | 1977-12-12 | Suppression of luminance signal contamination of chrominance signals in a video signal processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE872665A true BE872665A (fr) | 1979-03-30 |
Family
ID=25331912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE192246A BE872665A (fr) | 1977-12-12 | 1978-12-11 | Circuit de suppression de la contamination des signaux de chrominance par des signaux de luminance dans un systeme de traitement de signaux video |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US4167020A (xx) |
| JP (1) | JPS5493919A (xx) |
| AT (1) | AT377405B (xx) |
| AU (1) | AU521555B2 (xx) |
| BE (1) | BE872665A (xx) |
| CA (1) | CA1115412A (xx) |
| DE (1) | DE2853610C2 (xx) |
| ES (1) | ES475926A1 (xx) |
| FI (1) | FI66104C (xx) |
| FR (1) | FR2411529A1 (xx) |
| GB (1) | GB2010046B (xx) |
| HK (1) | HK51684A (xx) |
| IT (1) | IT1192293B (xx) |
| MY (1) | MY8500448A (xx) |
| NL (1) | NL7812051A (xx) |
| NZ (1) | NZ189145A (xx) |
| SE (1) | SE438767B (xx) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2127250B (en) * | 1982-09-20 | 1986-04-09 | British Broadcasting Corp | Colour video signal processing |
| US4706112A (en) * | 1986-01-31 | 1987-11-10 | Faroudja Laboratories, Inc. | Cross color suppression for quadrature modulated color television |
| CA1303727C (en) * | 1987-08-28 | 1992-06-16 | Institut National De La Recherche Scientifique | Apparatus and method for encoding and decoding a ntsc color video signal |
| JPH01103391A (ja) * | 1987-10-16 | 1989-04-20 | Sharp Corp | 垂直色擬似信号消去回路 |
| US5150203A (en) * | 1990-12-26 | 1992-09-22 | The Grass Valley Group, Inc. | Variable chrominance filtering for encoding television signals |
| FI92129C (fi) * | 1992-08-20 | 1994-09-26 | Salon Televisiotehdas Oy | Kytkentäjärjestely ristivärin detektoimiseen |
| US5512958A (en) * | 1994-04-29 | 1996-04-30 | Matsushita Electric Corporation Of America | System for controlling the effects of noise in television receivers |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2580148A (en) * | 1947-12-09 | 1951-12-25 | Collins Radio Co | Antinoise carrier receiving system |
| DE1437744A1 (de) * | 1965-07-15 | 1968-10-31 | Eisenmann Dr Hans | Verfahren zum Verhindern von Farbfehlern bei Farbfernsehuebertragungssystemen durch UEbersprechen des Helligkeitssignals in den Farbkanal |
| DE2263678B2 (de) * | 1971-12-27 | 1976-04-29 | Hitachi, Ltd., Tokio | Schaltung zur auftrennung des ntsc-farbfernsehsignals |
| US3778543A (en) * | 1972-09-05 | 1973-12-11 | Ellanin Investments | Predictive-retrospective method for bandwidth improvement |
| DE2411296C3 (de) * | 1974-03-09 | 1978-04-13 | Robert Bosch Gmbh, 7000 Stuttgart | Schaltungsanordnung zur Dämpfung der Amplitude von Signalanteilen im Leuchtdichtesignal, welche im Frequenzbereich eines hinzufügenden Farbträgersignals liegen |
| US4030121A (en) * | 1975-12-02 | 1977-06-14 | Faroudja Y C | Video crispener |
| US4143397A (en) * | 1976-04-19 | 1979-03-06 | Rca Corporation | Comb filter apparatus |
-
1977
- 1977-12-12 US US05/859,863 patent/US4167020A/en not_active Expired - Lifetime
-
1978
- 1978-12-05 CA CA317,439A patent/CA1115412A/en not_active Expired
- 1978-12-05 SE SE7812514A patent/SE438767B/sv not_active IP Right Cessation
- 1978-12-05 FI FI783733A patent/FI66104C/fi not_active IP Right Cessation
- 1978-12-06 AU AU42239/78A patent/AU521555B2/en not_active Expired
- 1978-12-06 IT IT30666/78A patent/IT1192293B/it active
- 1978-12-06 GB GB7847344A patent/GB2010046B/en not_active Expired
- 1978-12-08 FR FR7834631A patent/FR2411529A1/fr active Granted
- 1978-12-11 NL NL7812051A patent/NL7812051A/xx not_active Application Discontinuation
- 1978-12-11 BE BE192246A patent/BE872665A/xx not_active IP Right Cessation
- 1978-12-11 NZ NZ189145A patent/NZ189145A/xx unknown
- 1978-12-11 JP JP15360478A patent/JPS5493919A/ja active Granted
- 1978-12-12 ES ES475926A patent/ES475926A1/es not_active Expired
- 1978-12-12 DE DE2853610A patent/DE2853610C2/de not_active Expired
- 1978-12-12 AT AT0885278A patent/AT377405B/de not_active IP Right Cessation
-
1984
- 1984-06-22 HK HK516/84A patent/HK51684A/xx unknown
-
1985
- 1985-12-30 MY MY448/85A patent/MY8500448A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB2010046B (en) | 1982-06-09 |
| JPS5493919A (en) | 1979-07-25 |
| NZ189145A (en) | 1982-08-17 |
| CA1115412A (en) | 1981-12-29 |
| HK51684A (en) | 1984-06-22 |
| SE7812514L (sv) | 1979-06-13 |
| GB2010046A (en) | 1979-06-20 |
| AU4223978A (en) | 1979-06-21 |
| SE438767B (sv) | 1985-04-29 |
| IT1192293B (it) | 1988-03-31 |
| FI66104C (fi) | 1984-08-10 |
| FR2411529B1 (xx) | 1983-11-10 |
| FR2411529A1 (fr) | 1979-07-06 |
| FI66104B (fi) | 1984-04-30 |
| AT377405B (de) | 1985-03-25 |
| NL7812051A (nl) | 1979-06-14 |
| JPS627755B2 (xx) | 1987-02-19 |
| AU521555B2 (en) | 1982-04-08 |
| FI783733A (fi) | 1979-06-13 |
| IT7830666A0 (it) | 1978-12-06 |
| DE2853610C2 (de) | 1981-10-08 |
| US4167020A (en) | 1979-09-04 |
| ATA885278A (de) | 1984-07-15 |
| ES475926A1 (es) | 1979-05-01 |
| DE2853610A1 (de) | 1979-06-13 |
| MY8500448A (en) | 1985-12-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: RCA CORP. Effective date: 19871231 |