DE3786830D1 - System zur automatischen einstellung der farbtemperatur. - Google Patents

System zur automatischen einstellung der farbtemperatur.

Info

Publication number
DE3786830D1
DE3786830D1 DE8787107029T DE3786830T DE3786830D1 DE 3786830 D1 DE3786830 D1 DE 3786830D1 DE 8787107029 T DE8787107029 T DE 8787107029T DE 3786830 T DE3786830 T DE 3786830T DE 3786830 D1 DE3786830 D1 DE 3786830D1
Authority
DE
Germany
Prior art keywords
color temperature
automatic adjustment
adjustment
automatic
color
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 - Lifetime
Application number
DE8787107029T
Other languages
English (en)
Other versions
DE3786830T2 (de
Inventor
Yoshinari Sengoku
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.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE3786830D1 publication Critical patent/DE3786830D1/de
Publication of DE3786830T2 publication Critical patent/DE3786830T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
DE87107029T 1986-05-16 1987-05-14 System zur automatischen Einstellung der Farbtemperatur. Expired - Lifetime DE3786830T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61110675A JPS62268291A (ja) 1986-05-16 1986-05-16 色温度自動調整回路

Publications (2)

Publication Number Publication Date
DE3786830D1 true DE3786830D1 (de) 1993-09-09
DE3786830T2 DE3786830T2 (de) 1994-02-24

Family

ID=14541606

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87107029T Expired - Lifetime DE3786830T2 (de) 1986-05-16 1987-05-14 System zur automatischen Einstellung der Farbtemperatur.

Country Status (7)

Country Link
US (1) US4748497A (de)
EP (1) EP0245866B1 (de)
JP (1) JPS62268291A (de)
KR (1) KR950008132B1 (de)
AU (1) AU598538B2 (de)
CA (1) CA1270556A (de)
DE (1) DE3786830T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62268291A (ja) * 1986-05-16 1987-11-20 Sony Corp 色温度自動調整回路
JPH074002B2 (ja) * 1986-08-20 1995-01-18 松下電器産業株式会社 テレビジヨン信号クランプ装置
JP2762577B2 (ja) * 1989-06-22 1998-06-04 ソニー株式会社 マルチスキャンプロジェクタ
US5258828A (en) * 1989-11-13 1993-11-02 Hitachi, Ltd. Color CRT drive apparatus having automatic white balance adjusting circuit and CRT display
US5442408A (en) * 1989-11-17 1995-08-15 Sanyo Electric Co., Ltd. White balance adjusting apparatus for automatically adjusting white balance in response to luminance information signal and color information signal obtained from image sensing device
JP3039668B2 (ja) * 1990-04-27 2000-05-08 キヤノン株式会社 表示装置
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
JP2774686B2 (ja) * 1990-09-17 1998-07-09 株式会社日立製作所 分割回路
FR2695283B1 (fr) * 1992-08-27 1994-12-09 Sgs Thomson Microelectronics Circuit et procédé de détection de tube chaud.
US5345267A (en) * 1993-08-31 1994-09-06 Thomson Consumer Electronics, Inc. AKB apparatus with hot start flash prevention
JP3058176U (ja) * 1998-10-01 1999-06-08 船井電機株式会社 自動ホワイトバランス調整装置
US6437833B1 (en) * 1998-11-18 2002-08-20 Kabushiki Kaisha Toshiba Automatic white balance adjusting circuit in color image display
GB2363926A (en) * 2000-06-23 2002-01-09 Sony Uk Ltd Colour component signal interface circuit
EP1537748A1 (de) * 2002-08-16 2005-06-08 Thomson Licensing S.A. Vereinfachte schaltung zur offsetstromverminderung für die vorspannungsregelung
US20040080617A1 (en) * 2002-10-28 2004-04-29 Koninlijke Philips Electroics N.V. Method and apparatus to improve picture aesthetics during switch-on
US8988340B2 (en) 2013-03-16 2015-03-24 VIZIO Inc. Controlling color and white temperature in an LCD display modulating supply current frequency

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56104585A (en) * 1980-01-23 1981-08-20 Sony Corp Automatic luminance adjusting device of picture tube
US4342048A (en) * 1980-08-18 1982-07-27 Zenith Radio Corporation Automatic CRT tracking circuit
US4340904A (en) * 1980-12-24 1982-07-20 General Electric Company Automatic gray scale tracking system for cathode ray display devices
US4506292A (en) * 1982-06-14 1985-03-19 Motorola, Inc. Video driver circuit and method for automatic gray scale adjustment and elimination of contrast tracking errors
US4450476A (en) * 1982-06-23 1984-05-22 Rca Corporation Delayed reaction automatic kinescope biasing system
JPS6018086A (ja) * 1983-07-11 1985-01-30 Toshiba Corp カラ−テレビジヨン受像機
US4587566A (en) * 1984-05-09 1986-05-06 Rca Corporation Automatic kinescope bias control system with modified initial operation
JPH0695765B2 (ja) * 1985-02-14 1994-11-24 ソニー株式会社 自動ホワイトバランス調整回路付カラー表示装置
US4660093A (en) * 1986-05-09 1987-04-21 Rca Corporation Television receiver with delayed display
JPS62268291A (ja) * 1986-05-16 1987-11-20 Sony Corp 色温度自動調整回路

Also Published As

Publication number Publication date
DE3786830T2 (de) 1994-02-24
CA1270556A (en) 1990-06-19
EP0245866B1 (de) 1993-08-04
EP0245866A2 (de) 1987-11-19
US4748497A (en) 1988-05-31
EP0245866A3 (en) 1990-01-24
KR870011801A (ko) 1987-12-26
KR950008132B1 (ko) 1995-07-25
AU7229787A (en) 1987-11-19
AU598538B2 (en) 1990-06-28
JPS62268291A (ja) 1987-11-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition