DE3571540D1 - Color correction circuit - Google Patents

Color correction circuit

Info

Publication number: DE3571540D1
Authority: DE; Germany
Prior art keywords: correction circuit; color correction; color; circuit; correction
Prior art date: 1984-08-21
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

Application number

DE8585305950T

Other languages

English (en)

Inventor

Yutaka Sony Corporation Tanaka

Shunji Sony Corporatio Umemura

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.)

Sony Corp

Original Assignee

Sony Corp

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.)

1984-08-21

Filing date

1985-08-21

Publication date

1989-08-17

1984-08-21 Priority claimed from JP59173599A external-priority patent/JPS6152093A/ja

1984-08-28 Priority claimed from JP59178835A external-priority patent/JPS6157193A/ja

1985-08-21 Application filed by Sony Corp filed Critical Sony Corp

1989-08-17 Application granted granted Critical

1989-08-17 Publication of DE3571540D1 publication Critical patent/DE3571540D1/de

Status Expired 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
- H04N9/73—Colour balance circuits, e.g. white balance circuits or colour temperature control

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Processing Of Color Television Signals (AREA)

DE8585305950T 1984-08-21 1985-08-21 Color correction circuit Expired DE3571540D1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP59173599A JPS6152093A (ja)	1984-08-21	1984-08-21	色検出回路
JP59178835A JPS6157193A (ja)	1984-08-28	1984-08-28	ダイナミツクカラ−補正回路

Publications (1)

Publication Number	Publication Date
DE3571540D1 true DE3571540D1 (en)	1989-08-17

Family

ID=26495516

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8585305950T Expired DE3571540D1 (en)	1984-08-21	1985-08-21	Color correction circuit

Country Status (4)

Country	Link
US (1)	US4694330A (de)
EP (1)	EP0172754B1 (de)
AU (1)	AU581016B2 (de)
DE (1)	DE3571540D1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4794932A (en) *	1986-03-31	1989-01-03	Kabushiki Kaisha Toshiba	Conversion control circuit for image display apparatus
US5130935A (en) *	1986-03-31	1992-07-14	Canon Kabushiki Kaisha	Color image processing apparatus for extracting image data having predetermined color information from among inputted image data and for correcting inputted image data in response to the extracted image data
US5060060A (en) *	1986-05-30	1991-10-22	Canon Kabushiki Kaisha	Method and apparatus for processing color images having high maximum saturation
US4984072A (en) *	1987-08-03	1991-01-08	American Film Technologies, Inc.	System and method for color image enhancement
JPH02287594A (ja) *	1989-04-28	1990-11-27	Sony Corp	クリアブルー回路
CN1021186C (zh) *	1990-09-09	1993-06-09	云南电视机厂	彩色电视设备动态色温状态自动调整法及其调整器
JP2971552B2 (ja) *	1990-10-15	1999-11-08	日本電気ホームエレクトロニクス株式会社	ディスプレイ装置
JP2936080B2 (ja) *	1991-04-05	1999-08-23	富士写真フイルム株式会社	ビデオ信号の色補正装置
US5579131A (en) *	1992-01-08	1996-11-26	Minolta Camera Kabushiki Kaisha	Color image reading apparatus
US5363318A (en) *	1992-03-23	1994-11-08	Eastman Kodak Company	Method and apparatus for adaptive color characterization and calibration
JP3366431B2 (ja) *	1994-04-18	2003-01-14	日本フィリップス株式会社	高輝度カラー抑圧回路
US5499059A (en) *	1994-06-22	1996-03-12	Philips Electronics North America Corporation	Method and apparatus for effecting dynamic color shift in a television receiver
US5798801A (en) *	1996-05-08	1998-08-25	U.S. Philips Corporation	Arrangement for providing vivid color in a television signal
KR980004302A (ko) *	1996-06-11	1998-03-30	김광호	칼라커브(Color Curve)의 제어 회로 및 방법
JP3702699B2 (ja) *	1999-03-26	2005-10-05	三菱電機株式会社	カラー画像表示装置
JP4489262B2 (ja) *	2000-07-28	2010-06-23	日立プラズマディスプレイ株式会社	カラー表示の色再現補正回路及びカラーディスプレイ
JP3760815B2 (ja)	2001-07-27	2006-03-29	株式会社日立製作所	映像表示装置
JP3885066B2 (ja) *	2003-07-15	2007-02-21	キヤノン株式会社	色温度補正回路
US7460181B2 (en) *	2004-10-15	2008-12-02	Genesis Microchip Inc.	Blue stretch using restricted color range and soft transition boundary

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4038685A (en) *	1975-03-31	1977-07-26	Rca Corporation	Apparatus for automatic gamma control of television color signals
JPS5845230B2 (ja) *	1977-05-20	1983-10-07	松下電器産業株式会社	カラ−テレビジョン受像機の色制御装置
JPS56104585A (en) *	1980-01-23	1981-08-20	Sony Corp	Automatic luminance adjusting device of picture tube
JPS56112191A (en) *	1980-02-08	1981-09-04	Sony Corp	Color temperature control device for image receiving tube
JPS6017987Y2 (ja) *	1980-06-20	1985-05-31	三洋電機株式会社	色温度コントロ−ル回路
US4355326A (en) *	1981-02-11	1982-10-19	Zenith Radio Corporation	Bandwidth enhancement network for color television signals
US4516152A (en) *	1983-05-23	1985-05-07	Rca Corporation	Video signal processor with automatic kinescope white balance and beam current limiter control systems
AU2932384A (en) *	1983-06-21	1985-01-03	Hazeltine Corp.	Automatic colour analysis based on minimum/maximum video level

1985
- 1985-08-19 US US06/766,802 patent/US4694330A/en not_active Expired - Lifetime
- 1985-08-20 AU AU46459/85A patent/AU581016B2/en not_active Expired
- 1985-08-21 EP EP85305950A patent/EP0172754B1/de not_active Expired
- 1985-08-21 DE DE8585305950T patent/DE3571540D1/de not_active Expired

Also Published As

Publication number	Publication date
EP0172754A1 (de)	1986-02-26
EP0172754B1 (de)	1989-07-12
AU581016B2 (en)	1989-02-09
AU4645985A (en)	1986-02-27
US4694330A (en)	1987-09-15

Legal Events

Date	Code	Title	Description
1990-08-02	8364	No opposition during term of opposition
2003-06-12	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
GB2156628B (en)	1988-02-10	Image sensor correction circuit
GB2191904B (en)	1988-05-25	Color correction method
GB8519795D0 (en)	1985-09-11	Circuit arrangement
GB8507514D0 (en)	1985-05-01	Circuit
GB8524320D0 (en)	1985-11-06	Circuit arrangements
GB8432008D0 (en)	1985-01-30	Color correction
GB8520010D0 (en)	1985-09-18	Control circuit
DE3571540D1 (en)	1989-08-17	Color correction circuit
GB8521062D0 (en)	1985-09-25	Circuit assembly
GB8502289D0 (en)	1985-02-27	Control circuit
GB8510073D0 (en)	1985-05-30	Circuit configuration
GB8513547D0 (en)	1985-07-03	Control circuit
GB8518331D0 (en)	1985-08-29	Circuit arrangement
GB8504515D0 (en)	1985-03-27	Control circuit
GB8431038D0 (en)	1985-01-16	Circuit means
GB2160069B (en)	1988-01-27	Control circuit
GB8407192D0 (en)	1984-04-26	Circuit
GB8405439D0 (en)	1984-04-04	Colour photography
GB8429713D0 (en)	1985-01-03	Correction circuit
GB8604865D0 (en)	1986-04-03	Raster correction circuit
GB8512993D0 (en)	1985-06-26	Colour picture
KR930002123B1 (en)	1993-03-26	Automatic hue correction circuit
EP0186866A3 (en)	1988-01-27	Majority circuit
GB2160731B (en)	1987-09-03	Demodulator circuit
GB8530739D0 (en)	1986-01-22	Circuit arrangement