FR2656484B1 - - Google Patents

Info

Publication number
FR2656484B1
FR2656484B1 FR8917083A FR8917083A FR2656484B1 FR 2656484 B1 FR2656484 B1 FR 2656484B1 FR 8917083 A FR8917083 A FR 8917083A FR 8917083 A FR8917083 A FR 8917083A FR 2656484 B1 FR2656484 B1 FR 2656484B1
Authority
FR
France
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
FR8917083A
Other languages
French (fr)
Other versions
FR2656484A1 (fr
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 filed Critical
Priority to FR8917083A priority Critical patent/FR2656484A1/fr
Publication of FR2656484A1 publication Critical patent/FR2656484A1/fr
Application granted granted Critical
Publication of FR2656484B1 publication Critical patent/FR2656484B1/fr
Granted 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
    • H04N9/69—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits for modifying the colour signals by gamma correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
  • Transforming Electric Information Into Light Information (AREA)
FR8917083A 1989-12-22 1989-12-22 Dispositif de correction de gamma des signaux video destines a un ecran de visualisation et recepteur de television comportant un ecran recevant des signaux d'un tel dispositif. Granted FR2656484A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8917083A FR2656484A1 (fr) 1989-12-22 1989-12-22 Dispositif de correction de gamma des signaux video destines a un ecran de visualisation et recepteur de television comportant un ecran recevant des signaux d'un tel dispositif.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8917083A FR2656484A1 (fr) 1989-12-22 1989-12-22 Dispositif de correction de gamma des signaux video destines a un ecran de visualisation et recepteur de television comportant un ecran recevant des signaux d'un tel dispositif.

Publications (2)

Publication Number Publication Date
FR2656484A1 FR2656484A1 (fr) 1991-06-28
FR2656484B1 true FR2656484B1 (zh) 1997-02-21

Family

ID=9388886

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8917083A Granted FR2656484A1 (fr) 1989-12-22 1989-12-22 Dispositif de correction de gamma des signaux video destines a un ecran de visualisation et recepteur de television comportant un ecran recevant des signaux d'un tel dispositif.

Country Status (1)

Country Link
FR (1) FR2656484A1 (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69231194T2 (de) * 1991-12-05 2001-02-15 Texas Instruments Inc., Dallas Verfahren zur Verbesserung eines Videosignals
JP3107260B2 (ja) * 1993-03-02 2000-11-06 株式会社富士通ゼネラル カラー表示装置
JPH075836A (ja) * 1993-04-05 1995-01-10 Canon Inc 画像形成装置及び画像形成方法
BE1007211A5 (nl) * 1993-06-10 1995-04-25 Barco Werkwijze en inrichting voor het converteren van een beeld.
DE4432844A1 (de) * 1994-09-15 1996-03-21 Philips Patentverwaltung Schaltungsanordnung zur Ansteuerung einer Bildröhre
GB9418756D0 (en) * 1994-09-16 1994-11-02 Ionica L3 Limited Digital telephony
TW366512B (en) * 1996-09-18 1999-08-11 Matsushita Electric Ind Co Ltd Plasma display device and the brightness control method
JP4497959B2 (ja) 2004-03-05 2010-07-07 キヤノン株式会社 映像信号処理装置及び映像信号処理方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57124972A (en) * 1981-01-27 1982-08-04 Sony Corp Gamma compensation circuit
JPS57188182A (en) * 1981-05-14 1982-11-19 Seiko Epson Corp Gamma compensation circut for liquid crystal video display
US4589022A (en) * 1983-11-28 1986-05-13 General Electric Company Brightness control system for CRT video display

Also Published As

Publication number Publication date
FR2656484A1 (fr) 1991-06-28

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse

Effective date: 20060831