BE872664A - Circuit de suppression de la contamination du signal de luminance par le signal de chrominance dans un systeme de traitement de signaux video - Google Patents
Circuit de suppression de la contamination du signal de luminance par le signal de chrominance dans un systeme de traitement de signaux videoInfo
- Publication number
- BE872664A BE872664A BE192245A BE192245A BE872664A BE 872664 A BE872664 A BE 872664A BE 192245 A BE192245 A BE 192245A BE 192245 A BE192245 A BE 192245A BE 872664 A BE872664 A BE 872664A
- Authority
- BE
- Belgium
- Prior art keywords
- signal
- processing system
- contamination
- suppression circuit
- chrominance
- Prior art date
Links
- 238000011109 contamination Methods 0.000 title 1
- 230000001629 suppression Effects 0.000 title 1
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 |
|---|---|---|---|
| US05/859,922 US4167021A (en) | 1977-12-12 | 1977-12-12 | Suppression of chrominance signal contamination of the luminance signal in a video signal processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE872664A true BE872664A (fr) | 1979-03-30 |
Family
ID=25332060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE192245A BE872664A (fr) | 1977-12-12 | 1978-12-11 | Circuit de suppression de la contamination du signal de luminance par le signal de chrominance dans un systeme de traitement de signaux video |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4167021A (fi) |
| JP (1) | JPS5493920A (fi) |
| AT (1) | AT384336B (fi) |
| AU (1) | AU521444B2 (fi) |
| BE (1) | BE872664A (fi) |
| CA (1) | CA1110760A (fi) |
| DE (1) | DE2853611C2 (fi) |
| ES (1) | ES475928A1 (fi) |
| FI (1) | FI66105C (fi) |
| FR (1) | FR2411530A1 (fi) |
| GB (1) | GB2010045B (fi) |
| IT (1) | IT1192298B (fi) |
| NL (1) | NL7812050A (fi) |
| NZ (1) | NZ189144A (fi) |
| SE (1) | SE438937B (fi) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7803910A (nl) * | 1978-04-13 | 1979-10-16 | Philips Nv | Kamfilterschakeling. |
| DE3119653C2 (de) * | 1981-05-16 | 1985-05-09 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co KG, 8510 Fürth | Verfahren zur dynamischen Cross-Color-Unterdrückung, vorzugsweise in Codern von Farbfernsehsignalquellen |
| US4506293A (en) * | 1981-07-16 | 1985-03-19 | Rca Corporation | Independent fleshtone contours |
| GB2127250B (en) * | 1982-09-20 | 1986-04-09 | British Broadcasting Corp | Colour video signal processing |
| US4626894A (en) * | 1984-10-04 | 1986-12-02 | Rca Corporation | Signal filtering system having adaptively cascaded filter stages for developing a variable bandwidth frequency characteristic |
| US4636842A (en) * | 1984-11-29 | 1987-01-13 | Rca Corporation | Comb filter "hanging dot" eliminator |
| US4651196A (en) * | 1985-03-19 | 1987-03-17 | Rca Corporation | Adaptive control of the chrominance signal frequency response in a video signal processing system |
| US4616254A (en) * | 1985-04-18 | 1986-10-07 | Rca Corporation | Hanging dot reduction system |
| US4644387A (en) * | 1985-04-25 | 1987-02-17 | Rca Corporation | Plural input television receiver having peaking circuit and chrominance band reject filter in a video signal channel |
| US4689663A (en) * | 1985-09-27 | 1987-08-25 | Rca Corporation | Television receiver with display driver amplifier and input video filter having inversely related bandwidths |
| US4694331A (en) * | 1985-10-01 | 1987-09-15 | Rca Corporation | Vertical transition processor for a comb filter |
| JP2534747B2 (ja) * | 1988-03-16 | 1996-09-18 | 株式会社日立製作所 | Ｙ／ｃ分離回路 |
| US5473390A (en) * | 1995-01-31 | 1995-12-05 | Thomson Consumer Electronics, Inc. | Component to composite video signal converter circuit |
| US7065140B1 (en) * | 1999-10-06 | 2006-06-20 | Fairchild Semiconductor Corporation | Method and apparatus for receiving video signals from a plurality of video cameras |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1908897B1 (de) * | 1969-02-22 | 1970-07-02 | Fernseh Gmbh | Steuerschaltung zur Beseitigung von Bildfehlern im Farbfernsehbild |
| 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 |
| JPS5412173B2 (fi) * | 1973-10-31 | 1979-05-21 | ||
| US3924266A (en) * | 1974-08-30 | 1975-12-02 | Rca Corp | Automatic luminance channel bandwidth control apparatus responsive to the amplitude of color image information |
| US3919714A (en) * | 1974-10-21 | 1975-11-11 | Rca Corp | Automatic peaking apparatus |
| JPS5173335A (ja) * | 1974-12-20 | 1976-06-25 | Matsushita Electric Ind Co Ltd | Karaaterebijonjuzoki |
| US4030121A (en) * | 1975-12-02 | 1977-06-14 | Faroudja Y C | Video crispener |
-
1977
- 1977-12-12 US US05/859,922 patent/US4167021A/en not_active Expired - Lifetime
-
1978
- 1978-12-05 FI FI783734A patent/FI66105C/fi not_active IP Right Cessation
- 1978-12-05 CA CA317,413A patent/CA1110760A/en not_active Expired
- 1978-12-05 SE SE7812515A patent/SE438937B/sv not_active IP Right Cessation
- 1978-12-06 AU AU42240/78A patent/AU521444B2/en not_active Expired
- 1978-12-06 GB GB7847343A patent/GB2010045B/en not_active Expired
- 1978-12-08 FR FR7834632A patent/FR2411530A1/fr active Granted
- 1978-12-11 IT IT30707/78A patent/IT1192298B/it active
- 1978-12-11 BE BE192245A patent/BE872664A/xx not_active IP Right Cessation
- 1978-12-11 NZ NZ189144A patent/NZ189144A/xx unknown
- 1978-12-11 NL NL7812050A patent/NL7812050A/xx not_active Application Discontinuation
- 1978-12-11 JP JP15360578A patent/JPS5493920A/ja active Pending
- 1978-12-12 ES ES475928A patent/ES475928A1/es not_active Expired
- 1978-12-12 AT AT0885478A patent/AT384336B/de not_active IP Right Cessation
- 1978-12-12 DE DE2853611A patent/DE2853611C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FI66105C (fi) | 1984-08-10 |
| AU521444B2 (en) | 1982-04-01 |
| AT384336B (de) | 1987-10-27 |
| DE2853611C2 (de) | 1982-05-19 |
| FR2411530B1 (fi) | 1983-11-10 |
| ATA885478A (de) | 1987-03-15 |
| DE2853611A1 (de) | 1979-06-13 |
| JPS5493920A (en) | 1979-07-25 |
| ES475928A1 (es) | 1979-04-16 |
| CA1110760A (en) | 1981-10-13 |
| AU4224078A (en) | 1979-06-21 |
| SE438937B (sv) | 1985-05-13 |
| FI66105B (fi) | 1984-04-30 |
| FR2411530A1 (fr) | 1979-07-06 |
| NL7812050A (nl) | 1979-06-14 |
| GB2010045A (en) | 1979-06-20 |
| IT7830707A0 (it) | 1978-12-11 |
| NZ189144A (en) | 1982-08-17 |
| IT1192298B (it) | 1988-03-31 |
| FI783734A (fi) | 1979-06-13 |
| GB2010045B (en) | 1982-06-30 |
| SE7812515L (sv) | 1979-06-13 |
| US4167021A (en) | 1979-09-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: RCA CORP. Effective date: 19871231 |