HK52096A - Automatic hue corrector apparatus - Google Patents
Automatic hue corrector apparatusInfo
- Publication number
- HK52096A HK52096A HK52096A HK52096A HK52096A HK 52096 A HK52096 A HK 52096A HK 52096 A HK52096 A HK 52096A HK 52096 A HK52096 A HK 52096A HK 52096 A HK52096 A HK 52096A
- Authority
- HK
- Hong Kong
- Prior art keywords
- corrector apparatus
- automatic hue
- hue corrector
- automatic
- hue
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—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
-
- 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
- H04N9/643—Hue control means, e.g. flesh tone control
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Facsimile Image Signal Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/163,494 US4837612A (en) | 1988-03-03 | 1988-03-03 | Automatic hue corrector apparatus and method with a capability to correct wide angle demodulator hue signal distortion created in response to predominantly green hue environments |
Publications (1)
Publication Number | Publication Date |
---|---|
HK52096A true HK52096A (en) | 1996-03-29 |
Family
ID=22590249
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK52096A HK52096A (en) | 1988-03-03 | 1996-03-21 | Automatic hue corrector apparatus |
Country Status (6)
Country | Link |
---|---|
US (1) | US4837612A (ko) |
EP (1) | EP0331256B1 (ko) |
JP (1) | JP2940926B2 (ko) |
KR (1) | KR0144736B1 (ko) |
DE (1) | DE68915815T2 (ko) |
HK (1) | HK52096A (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02287594A (ja) * | 1989-04-28 | 1990-11-27 | Sony Corp | クリアブルー回路 |
JP2699711B2 (ja) * | 1991-09-17 | 1998-01-19 | 松下電器産業株式会社 | 階調補正方法および装置 |
US5638136A (en) * | 1992-01-13 | 1997-06-10 | Mitsubishi Denki Kabushiki Kaisha | Method and apparatus for detecting flesh tones in an image |
US5488429A (en) * | 1992-01-13 | 1996-01-30 | Mitsubishi Denki Kabushiki Kaisha | Video signal processor for detecting flesh tones in am image |
JPH0638230A (ja) * | 1992-07-20 | 1994-02-10 | Hitachi Gazou Joho Syst:Kk | 肌色補正及びその装置 |
JP3456818B2 (ja) * | 1996-03-04 | 2003-10-14 | 株式会社日立国際電気 | 色調補正装置 |
US5798801A (en) * | 1996-05-08 | 1998-08-25 | U.S. Philips Corporation | Arrangement for providing vivid color in a television signal |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3558806A (en) * | 1968-04-01 | 1971-01-26 | Rca Corp | Matrixing apparatus |
US3729578A (en) * | 1971-08-04 | 1973-04-24 | Magnavox Co | Method and apparatus for modifying electrical signals |
US3749825A (en) * | 1971-12-16 | 1973-07-31 | Zenith Radio Corp | Automatic hue control circuit |
US3783186A (en) * | 1972-05-15 | 1974-01-01 | Motorola Inc | Automatic hue control and method |
US3816846A (en) * | 1972-11-01 | 1974-06-11 | Warwick Electronics Inc | Hue correction system |
US3843958A (en) * | 1973-03-26 | 1974-10-22 | Warwick Electronics Inc | Hue correction for a chroma channel |
US3922713A (en) * | 1974-07-15 | 1975-11-25 | Gte Sylvania Inc | Unidirectional color enhancement circuit |
US4219840A (en) * | 1978-12-18 | 1980-08-26 | Zenith Radio Corporation | Color corrector |
US4285005A (en) * | 1978-12-18 | 1981-08-18 | Zenith Radio Corporation | Color correction circuit for a color television receiver |
JPS5652518A (en) * | 1979-10-05 | 1981-05-11 | Hitachi Zosen Corp | Cooling method |
US4506293A (en) * | 1981-07-16 | 1985-03-19 | Rca Corporation | Independent fleshtone contours |
JPS6089190A (ja) * | 1983-10-21 | 1985-05-20 | Sony Corp | カラ−テレビジヨン受像機 |
US4558351A (en) * | 1983-11-21 | 1985-12-10 | Rca Corporation | Hue correction circuit for a digital TV receiver |
US4642682A (en) * | 1984-04-27 | 1987-02-10 | Vta Technologies, Inc. | Phase responsive composite video signal control system |
-
1988
- 1988-03-03 US US07/163,494 patent/US4837612A/en not_active Expired - Fee Related
-
1989
- 1989-02-27 DE DE68915815T patent/DE68915815T2/de not_active Expired - Fee Related
- 1989-02-27 EP EP89200475A patent/EP0331256B1/en not_active Expired - Lifetime
- 1989-03-01 JP JP1046687A patent/JP2940926B2/ja not_active Expired - Lifetime
- 1989-03-03 KR KR1019890002598A patent/KR0144736B1/ko not_active IP Right Cessation
-
1996
- 1996-03-21 HK HK52096A patent/HK52096A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP2940926B2 (ja) | 1999-08-25 |
US4837612A (en) | 1989-06-06 |
EP0331256B1 (en) | 1994-06-08 |
DE68915815D1 (de) | 1994-07-14 |
KR890015614A (ko) | 1989-10-30 |
EP0331256A3 (en) | 1990-03-07 |
KR0144736B1 (ko) | 1998-07-15 |
DE68915815T2 (de) | 1995-01-05 |
EP0331256A2 (en) | 1989-09-06 |
JPH01296889A (ja) | 1989-11-30 |
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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) |