DE60037074D1 - Farb-Überlast-Schutzgerät und -verfahren - Google Patents

Farb-Überlast-Schutzgerät und -verfahren

Info

Publication number
DE60037074D1
DE60037074D1 DE60037074T DE60037074T DE60037074D1 DE 60037074 D1 DE60037074 D1 DE 60037074D1 DE 60037074 T DE60037074 T DE 60037074T DE 60037074 T DE60037074 T DE 60037074T DE 60037074 D1 DE60037074 D1 DE 60037074D1
Authority
DE
Germany
Prior art keywords
protection device
overload protection
color
color overload
protection
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
DE60037074T
Other languages
English (en)
Other versions
DE60037074T2 (de
Inventor
Mark Francis Rumreich
Ronald Thomas Keen
Mark Robert Zukas
Original Assignee
Thomson Licensing SAS
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 Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of DE60037074D1 publication Critical patent/DE60037074D1/de
Application granted granted Critical
Publication of DE60037074T2 publication Critical patent/DE60037074T2/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Control Of Amplification And Gain Control (AREA)
DE60037074T 1999-06-30 2000-06-19 Farb-Überlast-Schutzgerät und -verfahren Expired - Lifetime DE60037074T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US343622 1989-04-27
US09/343,622 US6177962B1 (en) 1999-06-30 1999-06-30 Apparatus and method for preventing oversaturation of chrominance signals

Publications (2)

Publication Number Publication Date
DE60037074D1 true DE60037074D1 (de) 2007-12-27
DE60037074T2 DE60037074T2 (de) 2008-09-11

Family

ID=23346864

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60037074T Expired - Lifetime DE60037074T2 (de) 1999-06-30 2000-06-19 Farb-Überlast-Schutzgerät und -verfahren

Country Status (7)

Country Link
US (1) US6177962B1 (de)
EP (1) EP1065886B1 (de)
JP (1) JP4600952B2 (de)
KR (1) KR100749412B1 (de)
CN (1) CN1198470C (de)
DE (1) DE60037074T2 (de)
MY (1) MY118662A (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6536042B1 (en) * 1998-05-21 2003-03-18 Avaya Technology Corp. Signal distribution system with integrated IR signal control
US6873363B1 (en) * 1999-02-16 2005-03-29 Micron Technology Inc. Technique for flagging oversaturated pixels
JP4465570B2 (ja) * 2000-09-26 2010-05-19 ソニー株式会社 画像処理装置および方法、並びに記録媒体
US6947099B2 (en) * 2000-12-21 2005-09-20 Thomson Licensing Automatic chroma control circuit with controlled saturation reduction
EP1380177A1 (de) * 2001-04-11 2004-01-14 Koninklijke Philips Electronics N.V. Bildsignalkontraststeuerung
US7218418B2 (en) * 2002-07-01 2007-05-15 Xerox Corporation Digital de-screening of documents
US7042520B2 (en) * 2002-08-23 2006-05-09 Samsung Electronics Co., Ltd. Method for color saturation adjustment with saturation limitation
KR100943274B1 (ko) * 2002-12-20 2010-02-23 삼성전자주식회사 색신호 보정장치 및 그 방법, 및 그것을 이용한영상신호처리 시스템 및 그 방법
WO2006011074A1 (en) * 2004-07-20 2006-02-02 Koninklijke Philips Electronics N.V. Maintenance of color maximum values in a color saturation controlled color image
US7958769B2 (en) 2005-02-14 2011-06-14 Olympus Ndt Detection of channel saturation in phase-array ultrasonic non-destructive testing
EP2116066A1 (de) * 2006-12-29 2009-11-11 Robert Bosch GmbH Vorrichtung, prozess und computerprogramm zum begrenzen der vektorlänge von farbvektoren
TWI466093B (zh) * 2007-06-26 2014-12-21 Apple Inc 用於視訊播放的管理技術
TWI489442B (zh) * 2008-04-03 2015-06-21 Sunplus Technology Co Ltd Adaptive color space conversion system and method
CN101309432B (zh) * 2008-04-21 2010-10-13 友达光电股份有限公司 饱和度调整方法及相关色彩调整系统
JP5304375B2 (ja) * 2009-03-26 2013-10-02 セイコーエプソン株式会社 画像表示装置
KR101310076B1 (ko) 2011-11-16 2013-09-24 한양대학교 에리카산학협력단 컬러 영상 복원 장치 및 방법
US9300934B2 (en) * 2013-10-04 2016-03-29 Amlogic Co., Ltd. Chroma automatic gain control

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4054905A (en) 1976-10-28 1977-10-18 Rca Corporation Automatic chrominance gain control system
US4316213A (en) 1980-09-23 1982-02-16 Rca Corporation Video processor employing variable amplitude compression of the chrominance component
US4359756A (en) 1981-06-29 1982-11-16 Rca Corporation Chrominance signal limiter
US4447826A (en) 1982-03-18 1984-05-08 Rca Corporation Digital television receiver automatic chroma control system
US4500910A (en) 1982-11-30 1985-02-19 Rca Corporation Hue control system
US4604645A (en) 1983-09-30 1986-08-05 Rca Corporation Coarse/fine automatic chrominance gain control using a gain adjustable IF amplifier in a digital television receiver
US4573069A (en) 1984-03-29 1986-02-25 Rca Corporation Chrominance fine gain control in a digital television receiver
US4602276A (en) 1984-04-12 1986-07-22 Rca Corporation Digital signal level overload system
US4630102A (en) 1984-10-10 1986-12-16 Rca Corporation Digital chroma overload system
US4635102A (en) 1984-10-24 1987-01-06 Rca Corporation Chroma signal amplitude control apparatus
DE3884597D1 (de) * 1988-01-21 1993-11-04 Itt Ind Gmbh Deutsche Digitale farbsignalverarbeitungsschaltung.
US4962417A (en) 1988-05-12 1990-10-09 Rca Licensing Corporation Chroma overload detector using a differential amplifier
JPH03119502A (ja) * 1989-10-02 1991-05-21 Victor Co Of Japan Ltd 音声信号のダビング方式
JPH04891A (ja) * 1990-04-17 1992-01-06 Sharp Corp デジタルテレビジョン受像機
JPH0537951A (ja) * 1991-07-29 1993-02-12 Victor Co Of Japan Ltd デジタルａｃｃ回路
JPH0678320A (ja) * 1992-08-25 1994-03-18 Matsushita Electric Ind Co Ltd 色調整装置
JP3158768B2 (ja) * 1993-04-01 2001-04-23 松下電器産業株式会社 映像信号の色信号振幅制限装置
JP2500603B2 (ja) * 1993-05-12 1996-05-29 日本電気株式会社 色信号ベ―スクリップ回路
JPH0795611A (ja) * 1993-09-20 1995-04-07 Toshiba Corp 色飽和度補正回路
BE1007590A3 (nl) * 1993-10-01 1995-08-16 Philips Electronics Nv Videosignaalverwerkingsschakeling.
JPH07212787A (ja) * 1994-01-24 1995-08-11 Kyoei Sangyo Kk 色信号処理回路
JP3134660B2 (ja) * 1994-04-14 2001-02-13 松下電器産業株式会社 色変換方法および色変換装置
JPH07274195A (ja) * 1995-05-11 1995-10-20 Hitachi Denshi Ltd 色適応型利得制御回路
KR0154834B1 (ko) * 1995-06-20 1998-11-16 김광호 이득 조정이 가능한 색신호 포화도 조정장치
US5696710A (en) * 1995-12-29 1997-12-09 Thomson Consumer Electronics, Inc. Apparatus for symmetrically reducing N least significant bits of an M-bit digital signal

Also Published As

Publication number Publication date
EP1065886A2 (de) 2001-01-03
EP1065886A3 (de) 2004-04-14
JP2001045514A (ja) 2001-02-16
MY118662A (en) 2004-12-31
US6177962B1 (en) 2001-01-23
KR100749412B1 (ko) 2007-08-16
DE60037074T2 (de) 2008-09-11
JP4600952B2 (ja) 2010-12-22
EP1065886B1 (de) 2007-11-14
KR20010049533A (ko) 2001-06-15
CN1312656A (zh) 2001-09-12
CN1198470C (zh) 2005-04-20

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition