DE69332793T2 - Schaltung zur automatische Kontrastregelung mit eingefügter vertikaler Austastlücke - Google Patents

Schaltung zur automatische Kontrastregelung mit eingefügter vertikaler Austastlücke

Info

Publication number
DE69332793T2
DE69332793T2 DE69332793T DE69332793T DE69332793T2 DE 69332793 T2 DE69332793 T2 DE 69332793T2 DE 69332793 T DE69332793 T DE 69332793T DE 69332793 T DE69332793 T DE 69332793T DE 69332793 T2 DE69332793 T2 DE 69332793T2
Authority
DE
Germany
Prior art keywords
circuit
vertical blanking
blanking interval
contrast control
automatic contrast
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 - Fee Related
Application number
DE69332793T
Other languages
English (en)
Other versions
DE69332793D1 (de
Inventor
Thomas David Gurley
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.)
Technicolor USA Inc
Original Assignee
Thomson Consumer Electronics Inc
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 Consumer Electronics Inc filed Critical Thomson Consumer Electronics Inc
Publication of DE69332793D1 publication Critical patent/DE69332793D1/de
Application granted granted Critical
Publication of DE69332793T2 publication Critical patent/DE69332793T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness
    • 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)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
  • Television Receiver Circuits (AREA)
DE69332793T 1992-05-22 1993-05-15 Schaltung zur automatische Kontrastregelung mit eingefügter vertikaler Austastlücke Expired - Fee Related DE69332793T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/887,745 US5245434A (en) 1992-05-22 1992-05-22 Autopix circuit with inserted vertical blanking

Publications (2)

Publication Number Publication Date
DE69332793D1 DE69332793D1 (de) 2003-04-30
DE69332793T2 true DE69332793T2 (de) 2003-09-18

Family

ID=25391781

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69332793T Expired - Fee Related DE69332793T2 (de) 1992-05-22 1993-05-15 Schaltung zur automatische Kontrastregelung mit eingefügter vertikaler Austastlücke

Country Status (9)

Country Link
US (1) US5245434A (de)
EP (1) EP0574711B1 (de)
JP (1) JPH0750791A (de)
KR (1) KR100275226B1 (de)
CN (1) CN1041880C (de)
DE (1) DE69332793T2 (de)
ES (1) ES2191008T3 (de)
MY (1) MY114354A (de)
PT (1) PT574711E (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5349390A (en) * 1992-09-22 1994-09-20 U.S. Philips Corporation Picture signal processor for performing both large area and small area contrast reduction, and picture display apparatus incorporating such a picture signal processor
JP3501252B2 (ja) * 1995-06-16 2004-03-02 三菱電機株式会社 階調補正装置
DE19818387A1 (de) * 1997-10-20 1999-04-22 Thomson Brandt Gmbh Verfahren zum Regeln der Bildleistung bei einem Fernsehempfänger
US6437833B1 (en) * 1998-11-18 2002-08-20 Kabushiki Kaisha Toshiba Automatic white balance adjusting circuit in color image display
DE10246120A1 (de) * 2002-10-01 2004-04-22 Deutsche Thomson-Brandt Gmbh Automatische Kontrastregelung mit einer Ausblendung von Störsignalen
JP2009059764A (ja) 2007-08-30 2009-03-19 Panasonic Corp ショットキーバリアダイオードおよびその製造方法
US9874238B2 (en) 2013-04-24 2018-01-23 Shimano Inc. Bicycle end cap
DE102019105823B4 (de) * 2019-03-07 2020-11-19 Tdk Electronics Ag Analog-Digital-Wandler und diesen enthaltende Sensoranordnung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1400427A (en) * 1971-11-08 1975-07-16 Rca Corp Video signal processing apparatus
US4386369A (en) * 1981-09-22 1983-05-31 Rca Corporation Compensated clamping circuit in a video signal peaking system
JPS6043981A (ja) * 1983-08-22 1985-03-08 Sony Corp ビ−ム電流制限回路
US4554578A (en) * 1984-03-02 1985-11-19 Rca Corporation Error compensated control system in a video signal processor
US4937670A (en) * 1989-01-31 1990-06-26 Rca Licensing Corporation Peak detector with feedback
US5134490A (en) * 1989-04-18 1992-07-28 Thomson Consumer Electronics, Inc. Beam current limiter with brightness control threshold extension
US4947253A (en) * 1989-04-18 1990-08-07 Rca Licensing Corporation Brightness modulator for closed loop compensation of black level
US4980756A (en) * 1989-08-25 1990-12-25 Rca Licensing Corporation Control signal generator for a television system
US5003394A (en) * 1989-08-25 1991-03-26 Rca Licensing Corporation Dynamic video system including automatic contrast and "white-stretch" processing sections

Also Published As

Publication number Publication date
KR930024477A (ko) 1993-12-22
MY114354A (en) 2002-10-31
ES2191008T3 (es) 2003-09-01
DE69332793D1 (de) 2003-04-30
PT574711E (pt) 2003-08-29
JPH0750791A (ja) 1995-02-21
KR100275226B1 (ko) 2000-12-15
US5245434A (en) 1993-09-14
CN1041880C (zh) 1999-01-27
EP0574711B1 (de) 2003-03-26
CN1082797A (zh) 1994-02-23
EP0574711A1 (de) 1993-12-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee