HK135693A - Circuit for an adaptive comb filter for separating the luminance and chrominance signals of a composite pal or ntsc video signal - Google Patents
Circuit for an adaptive comb filter for separating the luminance and chrominance signals of a composite pal or ntsc video signalInfo
- Publication number
- HK135693A HK135693A HK1356/93A HK135693A HK135693A HK 135693 A HK135693 A HK 135693A HK 1356/93 A HK1356/93 A HK 1356/93A HK 135693 A HK135693 A HK 135693A HK 135693 A HK135693 A HK 135693A
- Authority
- HK
- Hong Kong
- Prior art keywords
- pct
- luminance
- chrominance component
- chrominance
- comb filter
- 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)
- Filters That Use Time-Delay Elements (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Polyesters Or Polycarbonates (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3836043A DE3836043A1 (de) | 1988-10-20 | 1988-10-20 | Schaltung fuer ein adaptives kammfilter zur trennung von leuchtdichtesignal und farbartsignal eines fbas-pal-signals |
Publications (1)
Publication Number | Publication Date |
---|---|
HK135693A true HK135693A (en) | 1993-12-17 |
Family
ID=6365704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK1356/93A HK135693A (en) | 1988-10-20 | 1993-12-09 | Circuit for an adaptive comb filter for separating the luminance and chrominance signals of a composite pal or ntsc video signal |
Country Status (11)
Country | Link |
---|---|
US (1) | US5173768A (xx) |
EP (2) | EP0414830A1 (xx) |
JP (1) | JPH04501347A (xx) |
KR (1) | KR0138101B1 (xx) |
AT (1) | ATE88849T1 (xx) |
AU (1) | AU4493789A (xx) |
DE (2) | DE3836043A1 (xx) |
DK (1) | DK69691A (xx) |
ES (1) | ES2040960T3 (xx) |
HK (1) | HK135693A (xx) |
WO (1) | WO1990004906A1 (xx) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4022923A1 (de) * | 1990-07-19 | 1992-01-23 | Nokia Unterhaltungselektronik | Verfahren zur wiedergabe auf ein videoband eines videorecorders aufgezeichneter farbbilder |
AU2934092A (en) * | 1991-11-15 | 1993-06-15 | Snell & Wilcox Limited | Colour television signal processing |
GB2266633B (en) * | 1992-03-30 | 1995-12-13 | Snell & Wilcox Ltd | Filter with improved pulse response |
FI92129C (fi) * | 1992-08-20 | 1994-09-26 | Salon Televisiotehdas Oy | Kytkentäjärjestely ristivärin detektoimiseen |
JP3263791B2 (ja) * | 1992-09-30 | 2002-03-11 | ソニー株式会社 | Yc分離回路 |
EP0613311A1 (en) * | 1993-02-26 | 1994-08-31 | Kabushiki Kaisha Toshiba | Y/C separating circuit |
GB9319725D0 (en) * | 1993-09-24 | 1993-11-10 | Snell & Wilcox Ltd | Video signal processing |
US5534947A (en) * | 1994-05-16 | 1996-07-09 | Motorola, Inc. | Advanced comb filter |
KR100402244B1 (ko) | 2001-04-16 | 2003-10-17 | 주식회사 하이닉스반도체 | 연속에러신호를 이용한 엔티이에스씨이 신호 제거 필터의선택 장치 및 방법 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE113287C (xx) * | ||||
DD113287A1 (xx) * | 1974-07-09 | 1975-05-20 | ||
US4050084A (en) * | 1976-07-14 | 1977-09-20 | Cbs Inc. | Comb filter for television signals having adaptive features |
DE2911927C2 (de) * | 1979-03-27 | 1981-03-12 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig & Co KG, 8510 Fürth | Automatisch abschaltbares SECAM-Kammfilter |
JPS55150688A (en) * | 1979-05-15 | 1980-11-22 | Sony Corp | Separating circuit of color video signal |
US4240105A (en) * | 1979-08-20 | 1980-12-16 | Yves C. Faroudja | Method and apparatus for separation of chrominance and luminance with adaptive comb filtering in a quadrature modulated color television system |
US4636840A (en) * | 1984-08-09 | 1987-01-13 | Rca Corporation | Adaptive luminance-chrominance separation apparatus |
JPS6175694A (ja) * | 1984-08-10 | 1986-04-18 | Mitsubishi Electric Corp | ダイナミツク輝度信号・色信号分離くし形フイルタ |
GB8500658D0 (en) * | 1985-01-11 | 1985-02-13 | Quantel Ltd | Pal decoders |
JPS61186095A (ja) * | 1985-02-13 | 1986-08-19 | Mitsubishi Electric Corp | 適応型輝度信号色信号分離フイルタ |
US4734758A (en) * | 1985-04-25 | 1988-03-29 | Matsushita Electric Industrial Co., Ltd. | Signal processing circuit |
US4688080A (en) * | 1985-09-27 | 1987-08-18 | Ampex Corporation | Multi-standard adaptive chrominance separator |
JPH0644829B2 (ja) * | 1985-10-14 | 1994-06-08 | 株式会社日立製作所 | Y・c分離回路 |
GB2203917B (en) * | 1987-03-27 | 1991-10-30 | Roger Neil Robinson | Improved encoder for television signals |
JPH03112288A (ja) * | 1989-09-27 | 1991-05-13 | Toshiba Corp | 映像信号処理回路 |
KR910013951A (ko) * | 1989-12-12 | 1991-08-08 | 이헌조 | 복합영상신호의 휘도/색도신호 분리회로 |
-
1988
- 1988-10-20 DE DE3836043A patent/DE3836043A1/de not_active Withdrawn
-
1989
- 1989-10-11 JP JP1511354A patent/JPH04501347A/ja active Pending
- 1989-10-11 WO PCT/EP1989/001198 patent/WO1990004906A1/de not_active Application Discontinuation
- 1989-10-11 AT AT89118869T patent/ATE88849T1/de not_active IP Right Cessation
- 1989-10-11 EP EP89912235A patent/EP0414830A1/de active Pending
- 1989-10-11 EP EP89118869A patent/EP0368013B1/de not_active Expired - Lifetime
- 1989-10-11 US US07/678,357 patent/US5173768A/en not_active Expired - Fee Related
- 1989-10-11 ES ES198989118869T patent/ES2040960T3/es not_active Expired - Lifetime
- 1989-10-11 DE DE8989118869T patent/DE58904202D1/de not_active Expired - Fee Related
- 1989-10-11 AU AU44937/89A patent/AU4493789A/en not_active Abandoned
-
1990
- 1990-06-20 KR KR90701318A patent/KR0138101B1/ko not_active IP Right Cessation
-
1991
- 1991-04-18 DK DK069691A patent/DK69691A/da unknown
-
1993
- 1993-12-09 HK HK1356/93A patent/HK135693A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5173768A (en) | 1992-12-22 |
ES2040960T3 (es) | 1993-11-01 |
EP0368013B1 (de) | 1993-04-28 |
KR0138101B1 (en) | 1998-05-15 |
WO1990004906A1 (de) | 1990-05-03 |
AU4493789A (en) | 1990-05-14 |
EP0368013A1 (de) | 1990-05-16 |
JPH04501347A (ja) | 1992-03-05 |
DK69691D0 (da) | 1991-04-18 |
DE58904202D1 (de) | 1993-06-03 |
EP0414830A1 (de) | 1991-03-06 |
ATE88849T1 (de) | 1993-05-15 |
DK69691A (da) | 1991-04-18 |
DE3836043A1 (de) | 1990-04-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |