HK54589A - Comb filtering tv signals - Google Patents
Comb filtering tv signalsInfo
- Publication number
- HK54589A HK54589A HK545/89A HK54589A HK54589A HK 54589 A HK54589 A HK 54589A HK 545/89 A HK545/89 A HK 545/89A HK 54589 A HK54589 A HK 54589A HK 54589 A HK54589 A HK 54589A
- Authority
- HK
- Hong Kong
- Prior art keywords
- signals
- combed
- distortions
- signal
- low pass
- 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)
- Color Television Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/444,724 US4498100A (en) | 1982-11-26 | 1982-11-26 | Apparatus for frame-to-frame comb filtering composite TV signal |
US06/444,381 US4498099A (en) | 1982-11-26 | 1982-11-26 | Apparatus for frame-to-frame comb filtering composite TV signal |
Publications (1)
Publication Number | Publication Date |
---|---|
HK54589A true HK54589A (en) | 1989-07-14 |
Family
ID=27033888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK545/89A HK54589A (en) | 1982-11-26 | 1989-07-06 | Comb filtering tv signals |
Country Status (16)
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4612567A (en) * | 1984-05-03 | 1986-09-16 | Rca Corporation | Television receiver using non-interlaced scanning format with vertical detail enhancement and motion compensation |
US4710801A (en) * | 1985-04-29 | 1987-12-01 | International Business Machines Corporation | System for decomposition of NTSC color video signals using two frame buffers |
FR2625061A1 (fr) * | 1987-12-18 | 1989-06-23 | Thomson Grand Public | Separateur de signaux de luminance et de chrominance d'un signal video composite pal ou secam |
US5032914A (en) * | 1988-12-28 | 1991-07-16 | Nec Home Electronics Ltd. | Movement detection and y/c separation circuit for detecting a movement in a television display picture |
DE3900490A1 (de) * | 1989-01-10 | 1990-07-12 | Broadcast Television Syst | Schaltungsanordnung zur decodierung von farbfernsehsignalen |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4107736A (en) * | 1971-12-20 | 1978-08-15 | Image Transform, Inc. | Noise reduction system for video signals |
US4096516A (en) * | 1977-03-25 | 1978-06-20 | Rca Corporation | Electronic signal processing apparatus |
DE2810697C2 (de) * | 1978-03-11 | 1987-01-08 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren zur Trennung des Farbartsignals vom Leuchtdichtesignal bei Farbfernsehsignalen mit quadraturmodulierten Farbhilfsträgern |
NL7803910A (nl) * | 1978-04-13 | 1979-10-16 | Philips Nv | Kamfilterschakeling. |
US4245237A (en) * | 1979-05-11 | 1981-01-13 | Rca Corporation | Controllable non-linear processing of video signals |
US4245238A (en) * | 1979-05-11 | 1981-01-13 | Rca Corporation | Non-linear processing of video image vertical detail information |
DE3007520C2 (de) * | 1980-02-28 | 1987-04-16 | Robert Bosch Gmbh, 7000 Stuttgart | Schaltungsanordnung zur Demodulation eines quadraturmodulierten und danach digitalisierten Farbfernsehsignals |
JPS56153892A (en) * | 1980-04-28 | 1981-11-28 | Sony Corp | Comb type filter |
GB2078054B (en) * | 1980-06-02 | 1985-03-06 | British Broadcasting Corp | Pal decoding |
US4351003A (en) * | 1981-04-20 | 1982-09-21 | Rca Corporation | Automatic video signal peaking control |
-
1983
- 1983-11-17 SE SE8306361A patent/SE453246B/sv not_active IP Right Cessation
- 1983-11-18 AU AU21510/83A patent/AU567898B2/en not_active Ceased
- 1983-11-18 FI FI834239A patent/FI75964C/fi not_active IP Right Cessation
- 1983-11-18 ES ES527375A patent/ES527375A0/es active Granted
- 1983-11-21 PT PT77695A patent/PT77695B/pt not_active IP Right Cessation
- 1983-11-22 GB GB08331141A patent/GB2130840B/en not_active Expired
- 1983-11-23 IT IT23843/83A patent/IT1168973B/it active
- 1983-11-24 DE DE3342530A patent/DE3342530C2/de not_active Expired
- 1983-11-24 AT AT0413083A patent/AT385165B/de not_active IP Right Cessation
- 1983-11-24 KR KR8305568A patent/KR910007205B1/ko not_active Expired
- 1983-11-25 NZ NZ206403A patent/NZ206403A/en unknown
- 1983-11-25 NL NL8304056A patent/NL8304056A/nl not_active Application Discontinuation
- 1983-11-25 FR FR8318861A patent/FR2536941B1/fr not_active Expired
- 1983-11-25 DK DK541983A patent/DK167420B1/da not_active IP Right Cessation
-
1988
- 1988-12-20 JP JP63323185A patent/JPH01286691A/ja active Granted
-
1989
- 1989-07-06 HK HK545/89A patent/HK54589A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI75964B (fi) | 1988-04-29 |
SE8306361L (sv) | 1984-05-27 |
AU567898B2 (en) | 1987-12-10 |
FI834239L (fi) | 1984-05-27 |
GB2130840A (en) | 1984-06-06 |
SE453246B (sv) | 1988-01-18 |
PT77695B (en) | 1986-03-27 |
AU2151083A (en) | 1984-05-31 |
DK541983A (da) | 1984-05-27 |
DK167420B1 (da) | 1993-10-25 |
KR910007205B1 (en) | 1991-09-19 |
ATA413083A (de) | 1987-07-15 |
DE3342530C2 (de) | 1989-03-16 |
PT77695A (en) | 1983-12-01 |
NL8304056A (nl) | 1984-06-18 |
GB2130840B (en) | 1986-03-12 |
DE3342530A1 (de) | 1984-05-30 |
ES8502595A1 (es) | 1985-01-01 |
IT8323843A0 (it) | 1983-11-23 |
DK541983D0 (da) | 1983-11-25 |
NZ206403A (en) | 1987-03-31 |
FR2536941B1 (fr) | 1988-08-26 |
AT385165B (de) | 1988-02-25 |
JPH01286691A (ja) | 1989-11-17 |
FI834239A0 (fi) | 1983-11-18 |
SE8306361D0 (sv) | 1983-11-17 |
IT1168973B (it) | 1987-05-20 |
GB8331141D0 (en) | 1983-12-29 |
JPH0356038B2 (enrdf_load_stackoverflow) | 1991-08-27 |
FI75964C (fi) | 1988-08-08 |
ES527375A0 (es) | 1985-01-01 |
FR2536941A1 (fr) | 1984-06-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2027520A1 (en) | Motion adaptive luminance signal and color signal separating filter | |
AU589610B2 (en) | A video signal recursive filter with luma/chroma separation | |
GB1507510A (en) | Solid state colour television cameras | |
CA2035794A1 (en) | Apparatus for carrying out y/c separation | |
HK54589A (en) | Comb filtering tv signals | |
CA2019736A1 (en) | Luminance signal/chrominance signal separating circuit and a noise reduction circuit using a 3 line logical comb filter | |
JPS5455324A (en) | Color pickup unit | |
AU552868B2 (en) | Digital colour camera | |
EP0306646A3 (en) | Wide band vcr with comb filter switching | |
KR0138101B1 (en) | Adaptive pal or ntsc comb filter | |
DE3361092D1 (en) | Magnetic recording/reproducing apparatus | |
CA2029406A1 (en) | Methods of and apparatus for digital video signal processing | |
GB2015294A (en) | Noise reduction in colour television signals | |
CA2016444A1 (en) | Luminance signal/color signal separating circuit and noise reduction circuit using a comb filter | |
JPS57166794A (en) | Transmitting system of color video signal | |
JPS56119593A (en) | Processing device of color video signal | |
JPS5437631A (en) | Recording and reproducing sustem for secam system color video signal | |
JPS5452417A (en) | Solid pickup unit | |
JPS5356922A (en) | Recording system of color television signal | |
JPS56117486A (en) | Signal recording medium | |
JPS6346086A (ja) | 色信号処理回路 | |
JPS6394793A (ja) | 輝度信号の分離回路 | |
JPS6413891A (en) | Video signal recorder with voice | |
JPS53109424A (en) | Signal processing system for color television | |
JPS54133829A (en) | Regenerator for picture informaton |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |