FR2286571A1 - Dispositif d'ajustage automatique du gamma des canaux de chrominance d'une camera de television en couleur - Google Patents

Dispositif d'ajustage automatique du gamma des canaux de chrominance d'une camera de television en couleur

Info

Publication number
FR2286571A1
FR2286571A1 FR7529655A FR7529655A FR2286571A1 FR 2286571 A1 FR2286571 A1 FR 2286571A1 FR 7529655 A FR7529655 A FR 7529655A FR 7529655 A FR7529655 A FR 7529655A FR 2286571 A1 FR2286571 A1 FR 2286571A1
Authority
FR
France
Prior art keywords
gamma
automatic adjustment
television camera
color television
chrominance channels
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
FR7529655A
Other languages
English (en)
French (fr)
Other versions
FR2286571B3 (US06312121-20011106-C00033.png
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
Publication of FR2286571A1 publication Critical patent/FR2286571A1/fr
Application granted granted Critical
Publication of FR2286571B3 publication Critical patent/FR2286571B3/fr
Granted 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
    • H04N23/82—Camera processing pipelines; Components thereof for controlling camera response irrespective of the scene brightness, e.g. gamma correction
    • H04N23/83—Camera processing pipelines; Components thereof for controlling camera response irrespective of the scene brightness, e.g. gamma correction specially adapted for colour signals
    • 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
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • H04N9/69—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits for modifying the colour signals by gamma correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
  • Color Television Image Signal Generators (AREA)
FR7529655A 1974-09-28 1975-09-26 Dispositif d'ajustage automatique du gamma des canaux de chrominance d'une camera de television en couleur Granted FR2286571A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742446539 DE2446539A1 (de) 1974-09-28 1974-09-28 Schaltungsanordnung zum automatischen gamma-abgleich

Publications (2)

Publication Number Publication Date
FR2286571A1 true FR2286571A1 (fr) 1976-04-23
FR2286571B3 FR2286571B3 (US06312121-20011106-C00033.png) 1978-05-12

Family

ID=5927072

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7529655A Granted FR2286571A1 (fr) 1974-09-28 1975-09-26 Dispositif d'ajustage automatique du gamma des canaux de chrominance d'une camera de television en couleur

Country Status (5)

Country Link
US (1) US3974521A (US06312121-20011106-C00033.png)
DE (1) DE2446539A1 (US06312121-20011106-C00033.png)
FR (1) FR2286571A1 (US06312121-20011106-C00033.png)
GB (1) GB1517977A (US06312121-20011106-C00033.png)
NL (1) NL7511359A (US06312121-20011106-C00033.png)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2050105B (en) * 1979-04-05 1983-06-15 Rca Corp Automatic chroma gain control circuit for secam coder
US4285004A (en) * 1980-02-25 1981-08-18 Ampex Corporation Total raster error correction apparatus and method for the automatic set up of television cameras and the like

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2876349A (en) * 1954-07-30 1959-03-03 Rca Corp Signal processing circuits
US3272916A (en) * 1962-05-16 1966-09-13 Emi Ltd Color television systems utilizing a true luminance signal
FR2117909B1 (US06312121-20011106-C00033.png) * 1970-12-16 1976-12-03 Fernseh Gmbh
DE2125222A1 (de) * 1971-05-21 1972-11-30 Bosch Fernsehanlagen Verfahren zum Justieren einer Fernsehkamera
JPS5136134B2 (US06312121-20011106-C00033.png) * 1971-11-27 1976-10-06
JPS5010921A (US06312121-20011106-C00033.png) * 1973-05-26 1975-02-04

Also Published As

Publication number Publication date
FR2286571B3 (US06312121-20011106-C00033.png) 1978-05-12
GB1517977A (en) 1978-07-19
DE2446539A1 (de) 1976-04-15
US3974521A (en) 1976-08-10
NL7511359A (nl) 1976-03-30

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