JPS57111195A - Picture filter - Google Patents
Picture filterInfo
- Publication number
- JPS57111195A JPS57111195A JP55186664A JP18666480A JPS57111195A JP S57111195 A JPS57111195 A JP S57111195A JP 55186664 A JP55186664 A JP 55186664A JP 18666480 A JP18666480 A JP 18666480A JP S57111195 A JPS57111195 A JP S57111195A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- amplitude
- correlator
- supplied
- picture
- Prior art date
- 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.)
- Granted
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
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55186664A JPS57111195A (en) | 1980-12-27 | 1980-12-27 | Picture filter |
GB08224671A GB2102654B (en) | 1980-12-27 | 1981-12-25 | Image filter |
EP82900140A EP0067888B1 (en) | 1980-12-27 | 1981-12-25 | Image filter |
NL8120490A NL192234C (nl) | 1980-12-27 | 1981-12-25 | Beeldfilter voor het extraheren van een gekozen component uit een videosignaal hetwelke een ruiscomponent omvat. |
PCT/JP1981/000409 WO1982002310A1 (en) | 1980-12-27 | 1981-12-25 | Image filter |
DE813152649T DE3152649T1 (de) | 1980-12-27 | 1981-12-25 | Image filter |
US06/741,014 US4591911A (en) | 1980-12-27 | 1981-12-25 | Picture filter using an amplitude correlator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55186664A JPS57111195A (en) | 1980-12-27 | 1980-12-27 | Picture filter |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57111195A true JPS57111195A (en) | 1982-07-10 |
JPS6359596B2 JPS6359596B2 (ja) | 1988-11-21 |
Family
ID=16192507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55186664A Granted JPS57111195A (en) | 1980-12-27 | 1980-12-27 | Picture filter |
Country Status (7)
Country | Link |
---|---|
US (1) | US4591911A (ja) |
EP (1) | EP0067888B1 (ja) |
JP (1) | JPS57111195A (ja) |
DE (1) | DE3152649T1 (ja) |
GB (1) | GB2102654B (ja) |
NL (1) | NL192234C (ja) |
WO (1) | WO1982002310A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58501733A (ja) * | 1981-07-31 | 1983-10-13 | マウント シナイ スク−ル オブ メデイシン オブ ザ シテイ ユニバ−シテイ オブ ニユ−ヨ−ク | ウイルス試験法 |
JPS6062292A (ja) * | 1983-09-14 | 1985-04-10 | Sony Corp | Y/c分離回路 |
JPS6080389A (ja) * | 1983-10-07 | 1985-05-08 | Sony Corp | Y/c分離回路 |
JPS6471395A (en) * | 1987-09-11 | 1989-03-16 | Victor Company Of Japan | Video signal processing circuit |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4703342A (en) * | 1985-01-14 | 1987-10-27 | Nec Corporation | Luminance/chrominance separating apparatus |
JPH07123307B2 (ja) * | 1986-05-20 | 1995-12-25 | ソニー株式会社 | Y/c分離回路 |
JPH0198385A (ja) * | 1987-10-09 | 1989-04-17 | Sony Corp | 相関検出方式 |
US5534947A (en) * | 1994-05-16 | 1996-07-09 | Motorola, Inc. | Advanced comb filter |
KR100344807B1 (ko) * | 2000-01-12 | 2002-07-20 | 엘지전자주식회사 | 영상 신호 보정 장치 및 방법 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5231134B2 (ja) * | 1972-01-24 | 1977-08-12 | ||
GB1469101A (en) * | 1973-03-23 | 1977-03-30 | Dolby Laboratories Inc | Noise reduction systems |
US4141034A (en) * | 1977-08-19 | 1979-02-20 | Bell Telephone Laboratories, Incorporated | Digital encoding of color video signals |
US4141035A (en) * | 1977-10-20 | 1979-02-20 | Bell Telephone Laboratories, Incorporated | Technique for separating composite video signals |
US4178609A (en) * | 1977-10-25 | 1979-12-11 | The Magnavox Company | Comb filter having improved luminance response |
NL7803910A (nl) * | 1978-04-13 | 1979-10-16 | Philips Nv | Kamfilterschakeling. |
FI69381C (fi) * | 1979-05-11 | 1986-01-10 | Rca Corp | Signalbehandlingsanordning |
-
1980
- 1980-12-27 JP JP55186664A patent/JPS57111195A/ja active Granted
-
1981
- 1981-12-25 NL NL8120490A patent/NL192234C/nl not_active IP Right Cessation
- 1981-12-25 DE DE813152649T patent/DE3152649T1/de active Granted
- 1981-12-25 US US06/741,014 patent/US4591911A/en not_active Expired - Lifetime
- 1981-12-25 EP EP82900140A patent/EP0067888B1/en not_active Expired
- 1981-12-25 WO PCT/JP1981/000409 patent/WO1982002310A1/ja active IP Right Grant
- 1981-12-25 GB GB08224671A patent/GB2102654B/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58501733A (ja) * | 1981-07-31 | 1983-10-13 | マウント シナイ スク−ル オブ メデイシン オブ ザ シテイ ユニバ−シテイ オブ ニユ−ヨ−ク | ウイルス試験法 |
JPS6062292A (ja) * | 1983-09-14 | 1985-04-10 | Sony Corp | Y/c分離回路 |
JPS6080389A (ja) * | 1983-10-07 | 1985-05-08 | Sony Corp | Y/c分離回路 |
JPS6471395A (en) * | 1987-09-11 | 1989-03-16 | Victor Company Of Japan | Video signal processing circuit |
Also Published As
Publication number | Publication date |
---|---|
US4591911A (en) | 1986-05-27 |
EP0067888A1 (en) | 1982-12-29 |
DE3152649T1 (de) | 1982-12-30 |
NL192234B (nl) | 1996-11-01 |
GB2102654B (en) | 1984-09-26 |
JPS6359596B2 (ja) | 1988-11-21 |
GB2102654A (en) | 1983-02-02 |
WO1982002310A1 (en) | 1982-07-08 |
EP0067888A4 (fr) | 1986-01-07 |
DE3152649C2 (ja) | 1990-08-16 |
EP0067888B1 (en) | 1989-06-07 |
NL8120490A (nl) | 1982-11-01 |
NL192234C (nl) | 1997-03-04 |
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