FR2340655A1 - Circuit de traitement non lineaire du blanc de reference d'une image couleur - Google Patents

Circuit de traitement non lineaire du blanc de reference d'une image couleur

Info

Publication number
FR2340655A1
FR2340655A1 FR7702927A FR7702927A FR2340655A1 FR 2340655 A1 FR2340655 A1 FR 2340655A1 FR 7702927 A FR7702927 A FR 7702927A FR 7702927 A FR7702927 A FR 7702927A FR 2340655 A1 FR2340655 A1 FR 2340655A1
Authority
FR
France
Prior art keywords
processing circuit
color image
linear processing
reference white
white
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.)
Granted
Application number
FR7702927A
Other languages
English (en)
Other versions
FR2340655B1 (fr
Inventor
Yoshitomi Nagaoka
Tetsuo Tomimoto
Reiichi Sasaki
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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.)
Filing date
Publication date
Priority claimed from JP1102776A external-priority patent/JPS5294026A/ja
Priority claimed from JP11392376A external-priority patent/JPS5339017A/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of FR2340655A1 publication Critical patent/FR2340655A1/fr
Application granted granted Critical
Publication of FR2340655B1 publication Critical patent/FR2340655B1/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
    • H04N9/73—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)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
FR7702927A 1976-02-03 1977-02-02 Circuit de traitement non lineaire du blanc de reference d'une image couleur Granted FR2340655A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1102776A JPS5294026A (en) 1976-02-03 1976-02-03 Color tv receiver
JP11392376A JPS5339017A (en) 1976-09-22 1976-09-22 Color television picture receiver

Publications (2)

Publication Number Publication Date
FR2340655A1 true FR2340655A1 (fr) 1977-09-02
FR2340655B1 FR2340655B1 (fr) 1982-05-07

Family

ID=26346391

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7702927A Granted FR2340655A1 (fr) 1976-02-03 1977-02-02 Circuit de traitement non lineaire du blanc de reference d'une image couleur

Country Status (7)

Country Link
US (1) US4127868A (fr)
AU (1) AU503176B2 (fr)
CA (1) CA1077617A (fr)
DE (1) DE2703552C3 (fr)
FR (1) FR2340655A1 (fr)
GB (1) GB1572574A (fr)
NL (1) NL170912C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024477A2 (fr) * 1979-08-31 1981-03-11 International Business Machines Corporation Appareil comportant un tube à rayons cathodiques multiples et des moyens de circuit de contrôle pour maintenir l'intensité relative des faisceaux sur une gamme de réglages de la commande de luminosité

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56112191A (en) * 1980-02-08 1981-09-04 Sony Corp Color temperature control device for image receiving tube
JPS6089190A (ja) * 1983-10-21 1985-05-20 Sony Corp カラ−テレビジヨン受像機
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
JPH06189332A (ja) * 1992-12-21 1994-07-08 Hitachi Ltd ホワイトバランス補正装置
KR0109898Y1 (en) * 1993-06-21 1997-11-26 Samsung Electronics Co Ltd White balance compensation circuit for color crt
US6219159B1 (en) * 1998-03-09 2001-04-17 Hewlett Packard Company Spectrally balanced scanner

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3270125A (en) * 1963-01-15 1966-08-30 Rca Corp Color kinescope operating and testing arrangements

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024477A2 (fr) * 1979-08-31 1981-03-11 International Business Machines Corporation Appareil comportant un tube à rayons cathodiques multiples et des moyens de circuit de contrôle pour maintenir l'intensité relative des faisceaux sur une gamme de réglages de la commande de luminosité
EP0024477A3 (en) * 1979-08-31 1981-09-02 International Business Machines Corporation Improvements relating to multibeam cathode ray tube apparatus

Also Published As

Publication number Publication date
NL170912B (nl) 1982-08-02
NL7701045A (nl) 1977-08-05
US4127868A (en) 1978-11-28
NL170912C (nl) 1983-01-03
AU2143177A (en) 1978-07-27
DE2703552C3 (de) 1980-01-24
AU503176B2 (en) 1979-08-23
DE2703552A1 (de) 1977-12-15
FR2340655B1 (fr) 1982-05-07
CA1077617A (fr) 1980-05-13
GB1572574A (en) 1980-07-30
DE2703552B2 (de) 1979-05-17

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Legal Events

Date Code Title Description
ST Notification of lapse