HK52096A - Automatic hue corrector apparatus - Google Patents

Automatic hue corrector apparatus

Info

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
Application number
HK52096A
Other languages
English (en)
Inventor
William George Miller
Original Assignee
Philips Electronics Na
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philips Electronics Na filed Critical Philips Electronics Na
Publication of HK52096A publication Critical patent/HK52096A/xx

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)
HK52096A 1988-03-03 1996-03-21 Automatic hue corrector apparatus HK52096A (en)

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 (xx)
EP (1) EP0331256B1 (xx)
JP (1) JP2940926B2 (xx)
KR (1) KR0144736B1 (xx)
DE (1) DE68915815T2 (xx)
HK (1) HK52096A (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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
US5488429A (en) * 1992-01-13 1996-01-30 Mitsubishi Denki Kabushiki Kaisha Video signal processor for detecting flesh tones in am image
US5638136A (en) * 1992-01-13 1997-06-10 Mitsubishi Denki Kabushiki Kaisha Method and apparatus for detecting flesh tones in an 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)

* Cited by examiner, † Cited by third party
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
US4285005A (en) * 1978-12-18 1981-08-18 Zenith Radio Corporation Color correction circuit for a color television receiver
US4219840A (en) * 1978-12-18 1980-08-26 Zenith Radio Corporation Color corrector
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

Also Published As

Publication number Publication date
EP0331256B1 (en) 1994-06-08
EP0331256A3 (en) 1990-03-07
JP2940926B2 (ja) 1999-08-25
DE68915815D1 (de) 1994-07-14
DE68915815T2 (de) 1995-01-05
JPH01296889A (ja) 1989-11-30
KR0144736B1 (ko) 1998-07-15
EP0331256A2 (en) 1989-09-06
US4837612A (en) 1989-06-06
KR890015614A (ko) 1989-10-30

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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)