HK90493A - Chroma signal amplitude control apparatus - Google Patents

Chroma signal amplitude control apparatus

Info

Publication number
HK90493A
HK90493A HK904/93A HK90493A HK90493A HK 90493 A HK90493 A HK 90493A HK 904/93 A HK904/93 A HK 904/93A HK 90493 A HK90493 A HK 90493A HK 90493 A HK90493 A HK 90493A
Authority
HK
Hong Kong
Prior art keywords
chroma
gain
control apparatus
signal amplitude
amplitude control
Prior art date
Application number
HK904/93A
Other languages
English (en)
Inventor
Vincent Bolger Thomas
Original Assignee
Rca Thomson Licensing Corporation
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 Rca Thomson Licensing Corporation filed Critical Rca Thomson Licensing Corporation
Publication of HK90493A publication Critical patent/HK90493A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
HK904/93A 1984-10-24 1993-09-02 Chroma signal amplitude control apparatus HK90493A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/664,332 US4635102A (en) 1984-10-24 1984-10-24 Chroma signal amplitude control apparatus

Publications (1)

Publication Number Publication Date
HK90493A true HK90493A (en) 1993-09-10

Family

ID=24665559

Family Applications (1)

Application Number Title Priority Date Filing Date
HK904/93A HK90493A (en) 1984-10-24 1993-09-02 Chroma signal amplitude control apparatus

Country Status (10)

Country Link
US (1) US4635102A (https=)
JP (1) JPS61103389A (https=)
KR (1) KR930011972B1 (https=)
CN (1) CN1003625B (https=)
AU (1) AU591639B2 (https=)
CA (1) CA1230673A (https=)
DE (1) DE3537746C2 (https=)
FR (1) FR2572236B1 (https=)
GB (1) GB2166310B (https=)
HK (1) HK90493A (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4703340A (en) * 1986-05-02 1987-10-27 Rca Corporation Frequency division multiplexed analog to digital converter
US5063580A (en) * 1990-05-07 1991-11-05 Thomson Consumer Electronics, Inc. Apparatus for conditioning a control signal
US6188788B1 (en) * 1997-12-09 2001-02-13 Texas Instruments Incorporated Automatic color saturation control in video decoder using recursive algorithm
FR2778054B1 (fr) 1998-04-23 2000-07-07 Sgs Thomson Microelectronics Dispositif de regulation de l'amplitude du signal chrominance
US6177962B1 (en) 1999-06-30 2001-01-23 Thomson Licensing S.A. Apparatus and method for preventing oversaturation of chrominance signals
US6947099B2 (en) * 2000-12-21 2005-09-20 Thomson Licensing Automatic chroma control circuit with controlled saturation reduction

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3740462A (en) * 1972-04-10 1973-06-19 Rca Corp Automatic chroma gain control system
US3764734A (en) * 1972-06-07 1973-10-09 Gte Sylvania Inc Automatic peak color control
JPS5527755B2 (https=) * 1973-03-20 1980-07-23
US3943560A (en) * 1974-05-10 1976-03-09 General Electric Company Picture level control with compatible automatic chroma control
US4106054A (en) * 1977-01-19 1978-08-08 Zenith Radio Corporation Automatic chroma level system
US4106055A (en) * 1977-07-05 1978-08-08 Gte Sylvania Incorporated Automatic color level control system with threshold tracking
US4183047A (en) * 1977-12-08 1980-01-08 General Electric Company Chroma level stabilizer
JPS604637B2 (ja) * 1980-06-02 1985-02-05 日本ビクター株式会社 テレビジヨンカメラにおける自動白色調節回路
JPS56128084A (en) * 1980-03-12 1981-10-07 Hitachi Ltd Color signal gain control circuit
DE3123038A1 (de) * 1981-06-10 1982-12-30 Siemens AG, 1000 Berlin und 8000 München Verfahren und anordnung zur regelung des digitalen chrominanzssignales eines farbfernsehempfaengers
US4434439A (en) * 1982-02-22 1984-02-28 Rca Corporation Digital television AGC arrangement
US4502078A (en) * 1982-02-22 1985-02-26 Rca Corporation Digital television receivers
US4447826A (en) * 1982-03-18 1984-05-08 Rca Corporation Digital television receiver automatic chroma control system
US4602276A (en) * 1984-04-12 1986-07-22 Rca Corporation Digital signal level overload system

Also Published As

Publication number Publication date
GB2166310A (en) 1986-04-30
US4635102A (en) 1987-01-06
FR2572236B1 (fr) 1988-10-28
AU591639B2 (en) 1989-12-14
CN85108289A (zh) 1986-08-27
FR2572236A1 (fr) 1986-04-25
DE3537746A1 (de) 1986-04-24
AU4881385A (en) 1986-05-01
KR860003740A (ko) 1986-05-28
CA1230673A (en) 1987-12-22
DE3537746C2 (de) 1995-10-12
CN1003625B (zh) 1989-03-15
JPS61103389A (ja) 1986-05-21
KR930011972B1 (ko) 1993-12-23
GB8525643D0 (en) 1985-11-20
JPH0575237B2 (https=) 1993-10-20
GB2166310B (en) 1988-07-20

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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)