DE69932885D1 - Schaltung zum Regulieren der Chrominanzsignalamplitude - Google Patents

Schaltung zum Regulieren der Chrominanzsignalamplitude

Info

Publication number
DE69932885D1
DE69932885D1 DE69932885T DE69932885T DE69932885D1 DE 69932885 D1 DE69932885 D1 DE 69932885D1 DE 69932885 T DE69932885 T DE 69932885T DE 69932885 T DE69932885 T DE 69932885T DE 69932885 D1 DE69932885 D1 DE 69932885D1
Authority
DE
Germany
Prior art keywords
regulating
circuit
signal amplitude
chrominance signal
chrominance
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 - Lifetime
Application number
DE69932885T
Other languages
English (en)
Inventor
Didier Salle
Gerard Bret
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STMicroelectronics SA
Original Assignee
STMicroelectronics SA
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 STMicroelectronics SA filed Critical STMicroelectronics SA
Application granted granted Critical
Publication of DE69932885D1 publication Critical patent/DE69932885D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Control Of Amplification And Gain Control (AREA)
DE69932885T 1998-04-23 1999-04-20 Schaltung zum Regulieren der Chrominanzsignalamplitude Expired - Lifetime DE69932885D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9805098A FR2778054B1 (fr) 1998-04-23 1998-04-23 Dispositif de regulation de l'amplitude du signal chrominance

Publications (1)

Publication Number Publication Date
DE69932885D1 true DE69932885D1 (de) 2006-10-05

Family

ID=9525591

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69932885T Expired - Lifetime DE69932885D1 (de) 1998-04-23 1999-04-20 Schaltung zum Regulieren der Chrominanzsignalamplitude

Country Status (4)

Country Link
US (1) US6449020B1 (de)
EP (1) EP0959630B1 (de)
DE (1) DE69932885D1 (de)
FR (1) FR2778054B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6947099B2 (en) * 2000-12-21 2005-09-20 Thomson Licensing Automatic chroma control circuit with controlled saturation reduction
US7232122B2 (en) * 2003-03-14 2007-06-19 Pitney Bowes Inc. Jam detection method and system for an inserter
US7042174B1 (en) * 2004-08-09 2006-05-09 National Semiconductor Corporation Method of generating independent top and bottom corners correction using one 4th order function

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3943560A (en) * 1974-05-10 1976-03-09 General Electric Company Picture level control with compatible automatic chroma control
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
US4466015A (en) * 1982-09-30 1984-08-14 Rca Corporation Automatic color burst magnitude control for a digital television receiver
US4673970A (en) * 1984-06-08 1987-06-16 Matsushita Electric Industrial Co., Ltd. Chrominance signal processing system
US4635102A (en) * 1984-10-24 1987-01-06 Rca Corporation Chroma signal amplitude control apparatus
US5359368A (en) * 1993-04-12 1994-10-25 Zenith Electronics Corporation Demodulating a line locked digital color television signal
JPH06335015A (ja) * 1993-05-25 1994-12-02 Matsushita Electric Ind Co Ltd 色信号自動利得調整回路
TW242732B (en) * 1993-06-29 1995-03-11 Victor Company Of Japan Digital chrominance signal processing circuit
KR970010397B1 (ko) * 1994-10-24 1997-06-25 엘지전자 주식회사 티브이의 색신호 처리 장치

Also Published As

Publication number Publication date
EP0959630B1 (de) 2006-08-23
FR2778054A1 (fr) 1999-10-29
FR2778054B1 (fr) 2000-07-07
EP0959630A1 (de) 1999-11-24
US6449020B1 (en) 2002-09-10

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Legal Events

Date Code Title Description
8332 No legal effect for de