DE3463600D1 - White balance control system - Google Patents

White balance control system

Info

Publication number: DE3463600D1
Authority: DE; Germany
Prior art keywords: control system; white balance; balance control; white; control
Prior art date: 1983-02-02
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

DE8484300617T

Other languages

English (en)

Inventor

Masao Uehara

Shunpei Tanaka

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.)

Olympus Corp

Original Assignee

Olympus Optical Co Ltd

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.)

1983-02-02

Filing date

1984-02-01

Publication date

1987-06-11

1983-02-02 Priority claimed from JP58015687A external-priority patent/JPS59141888A/ja

1983-10-14 Priority claimed from JP58192234A external-priority patent/JPS6083489A/ja

1984-02-01 Application filed by Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd

1987-06-11 Application granted granted Critical

1987-06-11 Publication of DE3463600D1 publication Critical patent/DE3463600D1/de

Status Expired legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
- H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
- H04N23/88—Camera processing pipelines; Components thereof for processing colour signals for colour balance, e.g. white-balance circuits or colour temperature control

DE8484300617T 1983-02-02 1984-02-01 White balance control system Expired DE3463600D1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP58015687A JPS59141888A (ja)	1983-02-02	1983-02-02	オ−トホワイトバランス回路
JP58192234A JPS6083489A (ja)	1983-10-14	1983-10-14	オ−トホワイトバランス回路

Publications (1)

Publication Number	Publication Date
DE3463600D1 true DE3463600D1 (en)	1987-06-11

Family

ID=26351876

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8484300617T Expired DE3463600D1 (en)	1983-02-02	1984-02-01	White balance control system

Country Status (3)

Country	Link
US (1)	US4595946A (de)
EP (1)	EP0116435B1 (de)
DE (1)	DE3463600D1 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4833525A (en) *	1985-03-29	1989-05-23	Canon Kabushiki Kaisha	High speed color balance adjusting device capable of compensating for a flickering light source
JP2594913B2 (ja) *	1985-12-04	1997-03-26	株式会社日立製作所	カラービデオカメラ
US4879591A (en) *	1986-01-31	1989-11-07	Canon Kabushiki Kaisha	Image pickup apparatus compensating an image signal for variations in color temperature
US5170069A (en) *	1986-05-21	1992-12-08	Canon Kabushiki Kaisha	Image pickup apparatus
EP0263295B1 (de) *	1986-09-09	1994-06-08	Fuji Photo Film Co., Ltd.	Elektronische Stehbildkamera zur Kompensierung der Farbtemperaturabhängigkeit von Farbvideosignalen
JPS63105580A (ja) *	1986-10-22	1988-05-10	Hitachi Ltd	テレビカメラ
US5021875A (en) *	1987-02-18	1991-06-04	Minolta Camera Kabushiki Kaisha	Automatic white-balance adjusting apparatus with reduced sensitivity to transient light conditions
US4918519A (en) *	1987-04-23	1990-04-17	Canon Kabushiki Kaisha	Color image sensing apparatus having color balance adjustment
US4899212A (en) *	1987-08-28	1990-02-06	Fuji Photo Film Co., Ltd.	White balance adjusting device for a camera
JP2508951Y2 (ja) *	1988-02-03	1996-08-28	富士写真フイルム株式会社	白バランス調節装置
US5283635A (en) *	1988-06-03	1994-02-01	Canon Kabushiki Kaisha	White balance adjusting device with plural thresholds for range control
JP2890414B2 (ja) *	1988-08-08	1999-05-17	キヤノン株式会社	撮像装置
US5087936A (en) *	1988-09-08	1992-02-11	Fuji Photo Film Co., Ltd.	Camera
JPH02189091A (ja) *	1989-01-18	1990-07-25	Mitsubishi Electric Corp	オートホワイトバランス回路
US5008739A (en) *	1989-02-13	1991-04-16	Eastman Kodak Company	Real-time digital processor for producing full resolution color signals from a multi-color image sensor
JPH031791A (ja) *	1989-05-30	1991-01-08	Sony Corp	オートホワイトバランス回路
US5014014A (en) *	1989-06-06	1991-05-07	Science Applications International Corporation	Plane wave transformer linac structure
US5223921A (en) *	1990-04-27	1993-06-29	Sanyo Electric Co., Ltd.	White balance adjusting apparatus for automatically adjusting white balance on the basis of a color information signal obtained from an image-sensing device
US5313277A (en) *	1990-10-30	1994-05-17	Canon Kabushiki Kaisha	Image pickup device having white balance control function
JPH06165189A (ja) *	1992-11-25	1994-06-10	Nikon Corp	ホワイトバランス調整装置
JPH06189332A (ja) *	1992-12-21	1994-07-08	Hitachi Ltd	ホワイトバランス補正装置
US5598000A (en) *	1996-02-22	1997-01-28	Popat; Pradeep P.	Dual-mode automatic window covering system responsive to AC-induced flicker in ambient illumination
US6271884B1 (en) *	1999-09-28	2001-08-07	Conexant Systems, Inc.	Image flicker reduction with fluorescent lighting
US6757012B1 (en)	2000-01-13	2004-06-29	Biomorphic Vlsi, Inc.	Color selection for sparse color image reconstruction
US6781626B1 (en)	2000-01-13	2004-08-24	Biomorphic Vlsi, Inc.	System and method of color interpolation
US6876384B1 (en)	2000-04-19	2005-04-05	Biomorphic Vlsi, Inc.	Pixel selective white balancing
US7825959B2 (en)	2006-12-15	2010-11-02	Stmicroelectronics Asia Pacific Pte. Ltd.	System and method for flicker DC offset detection and correction
EP2262228A1 (de)	2009-06-09	2010-12-15	Global IP Solutions (GIPS) AB	Erkennung und Unterdrücken von Flackern in einer Bildabfolge

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
USRE28774E (en) *	1970-01-17	1976-04-13	Sony Corporation	White balance control system
JPS54122181A (en) *	1978-03-15	1979-09-21	Sony Corp	Color temperature detector
JPS57127376A (en) *	1981-01-30	1982-08-07	Nippon Kogaku Kk <Nikon>	White balance circuit
JPH0642740B2 (ja) *	1981-05-12	1994-06-01	富士写真フイルム株式会社	画像記録再生装置
JPS5857885A (ja) *	1981-10-01	1983-04-06	Nippon Kogaku Kk <Nikon>	ホワイトバランス装置
JPS58147721A (ja) *	1982-02-26	1983-09-02	Canon Inc	スチルビデオカメラ

1984
- 1984-01-31 US US06/575,344 patent/US4595946A/en not_active Expired - Lifetime
- 1984-02-01 DE DE8484300617T patent/DE3463600D1/de not_active Expired
- 1984-02-01 EP EP84300617A patent/EP0116435B1/de not_active Expired

Also Published As

Publication number	Publication date
EP0116435B1 (de)	1987-05-06
US4595946A (en)	1986-06-17
EP0116435A1 (de)	1984-08-22

Legal Events

Date	Code	Title	Description
1988-06-01	8364	No opposition during term of opposition
2003-12-11	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE3463600D1 (en)	1987-06-11	White balance control system
GB2148544B (en)	1988-02-03	Distributed control system
GB8418972D0 (en)	1984-08-30	Control system
GB8511451D0 (en)	1985-06-12	Control system
GB8424542D0 (en)	1984-11-07	Sequence control system
GB2147720B (en)	1987-03-11	Elevator system
EP0115344A3 (en)	1988-11-30	Buffer control system
IL73304A0 (en)	1985-01-31	Converter control system
GB2147558B (en)	1987-04-15	Elevator system
GB2136156B (en)	1987-08-05	Lift control system
GB2145847B (en)	1987-11-25	Elevator system
GB2148247B (en)	1986-12-17	Elevator system
EP0149188A3 (en)	1987-09-23	Display control system
DE3476728D1 (en)	1989-03-16	Converter control system
GB2139832B (en)	1986-12-03	Elevator control system
GB8427441D0 (en)	1984-12-05	Control system
GB2130255B (en)	1986-12-03	Heald control system
EP0440216A3 (en)	1993-03-03	White balance control system
GB8334532D0 (en)	1984-02-01	Control system
GB2137001B (en)	1986-08-06	Environmental control system
GB2141529B (en)	1987-08-19	Control system
GB8322888D0 (en)	1983-09-28	Control system
EP0149788A3 (en)	1987-08-26	Display control system
GB8416930D0 (en)	1984-08-08	Microprocessor control system
GB8400166D0 (en)	1984-02-08	Carburettor control system