DE3471420D1 - Circuit arrangement for removing noise of a colour video signal - Google Patents
Circuit arrangement for removing noise of a colour video signalInfo
- Publication number
- DE3471420D1 DE3471420D1 DE8484304283T DE3471420T DE3471420D1 DE 3471420 D1 DE3471420 D1 DE 3471420D1 DE 8484304283 T DE8484304283 T DE 8484304283T DE 3471420 T DE3471420 T DE 3471420T DE 3471420 D1 DE3471420 D1 DE 3471420D1
- Authority
- DE
- Germany
- Prior art keywords
- video signal
- circuit arrangement
- removing noise
- colour video
- colour
- 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.)
- Expired
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58113859A JPS605692A (ja) | 1983-06-24 | 1983-06-24 | 映像信号処理装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3471420D1 true DE3471420D1 (en) | 1988-06-23 |
Family
ID=14622866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484304283T Expired DE3471420D1 (en) | 1983-06-24 | 1984-06-25 | Circuit arrangement for removing noise of a colour video signal |
Country Status (7)
Country | Link |
---|---|
US (1) | US4630104A (de) |
EP (1) | EP0132310B1 (de) |
JP (1) | JPS605692A (de) |
KR (1) | KR870001836B1 (de) |
BR (1) | BR8403133A (de) |
CA (1) | CA1218145A (de) |
DE (1) | DE3471420D1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4672429A (en) * | 1985-02-14 | 1987-06-09 | Faroudja Laboratories, Inc. | Wide bandwidth chrominance noise reduction system |
US5509086A (en) * | 1993-12-23 | 1996-04-16 | International Business Machines Corporation | Automatic cross color elimination |
US5512946A (en) * | 1994-01-31 | 1996-04-30 | Hitachi Denshi Kabushiki Kaisha | Digital video signal processing device and TV camera device arranged to use it |
US6621349B2 (en) | 2001-11-07 | 2003-09-16 | International Business Machines Corporation | Power supply noise compensation amplifier |
US6647152B2 (en) | 2002-01-25 | 2003-11-11 | Thomson Licensing S.A. | Method and system for contouring reduction |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5141297B1 (de) * | 1969-11-24 | 1976-11-09 | ||
JPS52132712A (en) * | 1976-04-30 | 1977-11-07 | Clarion Co Ltd | Noise deleting system |
JPS592228B2 (ja) * | 1978-12-14 | 1984-01-17 | 松下電器産業株式会社 | テレビジョン信号の雑音除去方式 |
JPS5760791A (en) * | 1980-09-30 | 1982-04-12 | Toshiba Corp | Demodulating circuit for wide-band receiving chrominance |
FR2507041B1 (fr) * | 1981-05-27 | 1985-10-18 | Thomson Csf | Dispositif correcteur d'un signal videofrequence de television par attenuation dynamique du niveau du bruit et source d'images de television comportant un tel dispositif |
JPS58123292A (ja) * | 1982-01-19 | 1983-07-22 | Pioneer Electronic Corp | 色ノイズ抑制回路 |
-
1983
- 1983-06-24 JP JP58113859A patent/JPS605692A/ja active Pending
-
1984
- 1984-06-08 KR KR1019840003223A patent/KR870001836B1/ko not_active IP Right Cessation
- 1984-06-22 US US06/623,348 patent/US4630104A/en not_active Expired - Fee Related
- 1984-06-22 BR BR8403133A patent/BR8403133A/pt not_active IP Right Cessation
- 1984-06-22 CA CA000457247A patent/CA1218145A/en not_active Expired
- 1984-06-25 DE DE8484304283T patent/DE3471420D1/de not_active Expired
- 1984-06-25 EP EP84304283A patent/EP0132310B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
KR870001836B1 (ko) | 1987-10-15 |
US4630104A (en) | 1986-12-16 |
KR850000861A (ko) | 1985-03-09 |
EP0132310B1 (de) | 1988-05-18 |
BR8403133A (pt) | 1985-06-04 |
CA1218145A (en) | 1987-02-17 |
JPS605692A (ja) | 1985-01-12 |
EP0132310A1 (de) | 1985-01-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |