DE3788390T2 - Weissabgleichschaltung für eine Farbfernsehkamera. - Google Patents

Weissabgleichschaltung für eine Farbfernsehkamera.

Info

Publication number
DE3788390T2
DE3788390T2 DE87307901T DE3788390T DE3788390T2 DE 3788390 T2 DE3788390 T2 DE 3788390T2 DE 87307901 T DE87307901 T DE 87307901T DE 3788390 T DE3788390 T DE 3788390T DE 3788390 T2 DE3788390 T2 DE 3788390T2
Authority
DE
Germany
Prior art keywords
white balance
television camera
color television
balance circuit
circuit
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
DE87307901T
Other languages
English (en)
Other versions
DE3788390D1 (de
Inventor
Ikumi Minema
Yoshiro Hieda
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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.)
Filing date
Publication date
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Publication of DE3788390D1 publication Critical patent/DE3788390D1/de
Application granted granted Critical
Publication of DE3788390T2 publication Critical patent/DE3788390T2/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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • 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)
  • Color Television Image Signal Generators (AREA)
  • Processing Of Color Television Signals (AREA)
DE87307901T 1986-09-08 1987-09-07 Weissabgleichschaltung für eine Farbfernsehkamera. Expired - Fee Related DE3788390T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986137754U JPH075733Y2 (ja) 1986-09-08 1986-09-08 カラ−テレビジヨンカメラの白バランス回路

Publications (2)

Publication Number Publication Date
DE3788390D1 DE3788390D1 (de) 1994-01-20
DE3788390T2 true DE3788390T2 (de) 1994-03-24

Family

ID=15206053

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87307901T Expired - Fee Related DE3788390T2 (de) 1986-09-08 1987-09-07 Weissabgleichschaltung für eine Farbfernsehkamera.

Country Status (5)

Country Link
US (1) US4819060A (de)
EP (1) EP0260099B1 (de)
JP (1) JPH075733Y2 (de)
KR (1) KR910006478Y1 (de)
DE (1) DE3788390T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5016093A (en) * 1988-03-31 1991-05-14 Sony Corporation Video camera system with white balance adjustment
JPH0828877B2 (ja) * 1988-07-18 1996-03-21 富士写真フイルム株式会社 自動白バランス調整方法及び装置
JP2743393B2 (ja) * 1988-08-29 1998-04-22 ソニー株式会社 ホワイトバランス調整回路
US5739928A (en) * 1991-09-12 1998-04-14 Eastman Kodak Company Technique particularly suited for use in a print preview function for adapting CRT colorimetry to ambient lighting conditions
JPH07162890A (ja) * 1993-12-08 1995-06-23 Matsushita Electric Ind Co Ltd ホワイトバランス調整装置
US6392713B1 (en) 2000-03-06 2002-05-21 Media 100 Inc. Digital processing amplifier

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US28774A (en) * 1860-06-19 Improvement in binding-guides for sewing-machines
DE2124959C3 (de) * 1971-05-19 1973-12-06 Robert Bosch Fernsehanlagen Gmbh, 6100 Darmstadt Verfahren und Einrichtung zum Er kennen von unbunten Anteilen in einem Farbfernsehbild
US3786177A (en) * 1972-06-19 1974-01-15 Rca Corp Apparatus for automatic color balancing of television camera signals
JPS5919515B2 (ja) * 1978-03-07 1984-05-07 ソニー株式会社 ホワイトバランス調整回路
JPS56122283A (en) * 1980-02-29 1981-09-25 Matsushita Electric Ind Co Ltd Color television camera
JPS5737992A (en) * 1980-08-15 1982-03-02 Hitachi Ltd Automatic white-balance regulating circuit of color video camera
US4454532A (en) * 1980-09-10 1984-06-12 Canon Kabushiki Kaisha White balance control for color video camera
DE3320690A1 (de) * 1982-06-09 1983-12-15 Canon K.K., Tokyo Farbbildaufnahmesystem
JPS59189793A (ja) * 1983-04-12 1984-10-27 Asahi Optical Co Ltd カラ−ビデオ・カメラの自動ホワイトバランス回路
JPS6090490A (ja) * 1983-10-25 1985-05-21 Matsushita Electric Ind Co Ltd ビデオカメラ
JPS60180394A (ja) * 1984-02-28 1985-09-14 Sony Corp 白バランス調整装置
JPS60186188A (ja) * 1984-03-06 1985-09-21 Fuji Photo Film Co Ltd カラ−ビデオカメラの自動ホワイトバランス調整装置
JPS60197090A (ja) * 1984-03-21 1985-10-05 Seiko Epson Corp ビデオカメラ
JPS60218995A (ja) * 1984-04-13 1985-11-01 Canon Inc ホワイトバランス調整装置
JPS60218993A (ja) * 1984-04-16 1985-11-01 Canon Inc 撮像装置
JPS6126390A (ja) * 1984-07-16 1986-02-05 Mitsubishi Electric Corp カラ−ビデオカメラ用白バランス調整装置
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
JP2512665Y2 (ja) * 1986-02-27 1996-10-02 シャープ株式会社 ビデオカメラのオ−トホワイトバランス回路
JPH067656Y2 (ja) * 1986-03-31 1994-02-23 シャープ株式会社 ビデオカメラのオ−トホワイトバランス回路
JPH074018B2 (ja) * 1986-05-13 1995-01-18 シャープ株式会社 オ−トホワイトバランス調整回路
JPS63219291A (ja) * 1986-12-12 1988-09-12 Hitachi Ltd ホワイトバランス制御装置

Also Published As

Publication number Publication date
DE3788390D1 (de) 1994-01-20
JPS6344581U (de) 1988-03-25
EP0260099A3 (en) 1990-01-31
EP0260099A2 (de) 1988-03-16
JPH075733Y2 (ja) 1995-02-08
US4819060A (en) 1989-04-04
KR910006478Y1 (ko) 1991-08-23
KR890007945U (ko) 1989-05-18
EP0260099B1 (de) 1993-12-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE REICHEL UND REICHEL, 60322 FRANKFURT

8339 Ceased/non-payment of the annual fee