DE2448505C3 - System zur selbsttätigen Korrektur der Farbbalance - Google Patents

System zur selbsttätigen Korrektur der Farbbalance

Info

Publication number
DE2448505C3
DE2448505C3 DE2448505A DE2448505A DE2448505C3 DE 2448505 C3 DE2448505 C3 DE 2448505C3 DE 2448505 A DE2448505 A DE 2448505A DE 2448505 A DE2448505 A DE 2448505A DE 2448505 C3 DE2448505 C3 DE 2448505C3
Authority
DE
Germany
Prior art keywords
color
signal
color saturation
saturation threshold
signals
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
Application number
DE2448505A
Other languages
German (de)
English (en)
Other versions
DE2448505B2 (de
DE2448505A1 (de
Inventor
Dieter Dipl.-Ing. 6105 Ober-Ramstadt Poetsch
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE2448505A priority Critical patent/DE2448505C3/de
Priority to US05/620,409 priority patent/US4047202A/en
Priority to NL7511887A priority patent/NL7511887A/xx
Priority to JP50121419A priority patent/JPS6040237B2/ja
Priority to CA237,453A priority patent/CA1063234A/en
Priority to GB41534/75A priority patent/GB1506413A/en
Priority to BR7506648*A priority patent/BR7506648A/pt
Priority to FR7531143A priority patent/FR2287819A1/fr
Publication of DE2448505A1 publication Critical patent/DE2448505A1/de
Priority to US05/726,143 priority patent/US4035835A/en
Priority to US05/726,144 priority patent/US4051511A/en
Publication of DE2448505B2 publication Critical patent/DE2448505B2/de
Application granted granted Critical
Publication of DE2448505C3 publication Critical patent/DE2448505C3/de
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)
  • Color Television Image Signal Generators (AREA)
DE2448505A 1974-09-11 1974-10-11 System zur selbsttätigen Korrektur der Farbbalance Expired DE2448505C3 (de)

Priority Applications (10)

Application Number Priority Date Filing Date Title
DE2448505A DE2448505C3 (de) 1974-10-11 1974-10-11 System zur selbsttätigen Korrektur der Farbbalance
US05/620,409 US4047202A (en) 1974-10-11 1975-10-07 Automatic color balancing system
JP50121419A JPS6040237B2 (ja) 1974-10-11 1975-10-09 自動色バランス装置
NL7511887A NL7511887A (nl) 1974-10-11 1975-10-09 Stelsel voor het automatisch corrigeren van het kleurevenwicht van kleur en helderheid van een kleurentelevisiebeeld-bepalende signalen.
GB41534/75A GB1506413A (en) 1974-10-11 1975-10-10 Colour television apparatus
BR7506648*A BR7506648A (pt) 1974-10-11 1975-10-10 Sistema aperfeicoado para a correcao automatica de equilibrio de cor
CA237,453A CA1063234A (en) 1974-10-11 1975-10-10 Automatic correction circuit for the color balance of a color television signal
FR7531143A FR2287819A1 (fr) 1974-10-11 1975-10-10 Systeme de correction automatique du gris equivalent
US05/726,143 US4035835A (en) 1974-09-11 1976-09-24 System for automatic correction of the color balance between the primary signals of a color signal source
US05/726,144 US4051511A (en) 1974-09-11 1976-09-24 System for automatic color balance correction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2448505A DE2448505C3 (de) 1974-10-11 1974-10-11 System zur selbsttätigen Korrektur der Farbbalance

Publications (3)

Publication Number Publication Date
DE2448505A1 DE2448505A1 (de) 1976-04-15
DE2448505B2 DE2448505B2 (de) 1977-06-30
DE2448505C3 true DE2448505C3 (de) 1978-03-09

Family

ID=5928076

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2448505A Expired DE2448505C3 (de) 1974-09-11 1974-10-11 System zur selbsttätigen Korrektur der Farbbalance

Country Status (8)

Country Link
US (1) US4047202A (https=)
JP (1) JPS6040237B2 (https=)
BR (1) BR7506648A (https=)
CA (1) CA1063234A (https=)
DE (1) DE2448505C3 (https=)
FR (1) FR2287819A1 (https=)
GB (1) GB1506413A (https=)
NL (1) NL7511887A (https=)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2543218A1 (de) * 1975-09-27 1977-04-07 Bosch Gmbh Robert System zur selbsttaetigen korrektur der farbbalance zwischen den farbwertsignalen einer farbsignalquelle
JPS5493323A (en) * 1977-12-08 1979-07-24 Hitachi Denshi Ltd White and black balance control system for color television camera
JPS604637B2 (ja) * 1980-06-02 1985-02-05 日本ビクター株式会社 テレビジヨンカメラにおける自動白色調節回路
JPS57197987A (en) * 1981-05-30 1982-12-04 Sony Corp White balance correcting device
DE3486390T3 (de) * 1983-03-08 1999-05-12 Canon K.K., Tokio/Tokyo Bildverarbeitungsgerät.
JPS6318933U (https=) * 1986-07-24 1988-02-08
US4805010A (en) * 1987-05-29 1989-02-14 Eastman Kodak Company Still video camera with common circuit for color balance and exposure control
US4814864A (en) * 1987-05-29 1989-03-21 Eastman Kodak Co. Video camera with automatic prescaling for color balance
JPH02102140U (https=) * 1989-01-27 1990-08-14
JPH02287594A (ja) * 1989-04-28 1990-11-27 Sony Corp クリアブルー回路
DE3924336C2 (de) * 1989-07-22 1998-12-03 Philips Broadcast Television S Schaltungsanordnung zur automatischen Korrektur der Farbbalance
US5097335A (en) * 1989-10-02 1992-03-17 Eastman Kodak Company Mechanism for eliminating colored shadow/highlight errors in scanned color image
US5361093A (en) * 1991-09-02 1994-11-01 Matsushita Electric Industrial Co., Ltd. Automatic white balance setting device
US5274439A (en) * 1992-03-31 1993-12-28 Panasonic Technologies, Inc. Apparatus for clipping or limiting color signals to maintain color balance
JP4063418B2 (ja) * 1998-09-11 2008-03-19 イーストマン コダック カンパニー オートホワイトバランス装置
US6553140B1 (en) * 1999-04-16 2003-04-22 Avid Technology, Inc. Method and system for spill correction
US8374428B2 (en) 2010-12-05 2013-02-12 Microsoft Corporation Color balancing for partially overlapping images

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4814369B1 (https=) * 1969-02-22 1973-05-07
DE1939515B2 (de) * 1969-08-02 1971-05-19 Fernseh GmbH 6100 Darmstadt Verfahren und anoednung zur korrektur von farbfehlern bei der fernsehmaessigen abtastung von farbfilmen
NL7009523A (https=) * 1970-06-27 1971-12-29
US3735026A (en) * 1971-09-03 1973-05-22 Columbia Broadcasting Syst Inc Automatic color corrector for a color video signal
JPS545927B2 (https=) * 1972-10-19 1979-03-23
US3786177A (en) * 1972-06-19 1974-01-15 Rca Corp Apparatus for automatic color balancing of television camera signals
US3821789A (en) * 1972-11-06 1974-06-28 Magnavox Co Chroma tracking circuit

Also Published As

Publication number Publication date
DE2448505B2 (de) 1977-06-30
FR2287819A1 (fr) 1976-05-07
FR2287819B1 (https=) 1982-08-27
JPS5164825A (en) 1976-06-04
GB1506413A (en) 1978-04-05
US4047202A (en) 1977-09-06
NL7511887A (nl) 1976-04-13
CA1063234A (en) 1979-09-25
BR7506648A (pt) 1976-08-17
JPS6040237B2 (ja) 1985-09-10
DE2448505A1 (de) 1976-04-15

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