FR2578129B1 - Camera video a attenuateur optique - Google Patents

Camera video a attenuateur optique

Info

Publication number
FR2578129B1
FR2578129B1 FR8502628A FR8502628A FR2578129B1 FR 2578129 B1 FR2578129 B1 FR 2578129B1 FR 8502628 A FR8502628 A FR 8502628A FR 8502628 A FR8502628 A FR 8502628A FR 2578129 B1 FR2578129 B1 FR 2578129B1
Authority
FR
France
Prior art keywords
video camera
optical attenuator
attenuator
optical
camera
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
FR8502628A
Other languages
English (en)
Other versions
FR2578129A1 (fr
Inventor
Leon Anlen
Hubert Leauthaud
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.)
Inspectronic SARL
Original Assignee
Inspectronic SARL
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 Inspectronic SARL filed Critical Inspectronic SARL
Priority to FR8502628A priority Critical patent/FR2578129B1/fr
Publication of FR2578129A1 publication Critical patent/FR2578129A1/fr
Application granted granted Critical
Publication of FR2578129B1 publication Critical patent/FR2578129B1/fr
Expired 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
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/75—Circuitry for compensating brightness variation in the scene by influencing optical camera components

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
FR8502628A 1985-02-22 1985-02-22 Camera video a attenuateur optique Expired FR2578129B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8502628A FR2578129B1 (fr) 1985-02-22 1985-02-22 Camera video a attenuateur optique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8502628A FR2578129B1 (fr) 1985-02-22 1985-02-22 Camera video a attenuateur optique

Publications (2)

Publication Number Publication Date
FR2578129A1 FR2578129A1 (fr) 1986-08-29
FR2578129B1 true FR2578129B1 (fr) 1987-05-22

Family

ID=9316556

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8502628A Expired FR2578129B1 (fr) 1985-02-22 1985-02-22 Camera video a attenuateur optique

Country Status (1)

Country Link
FR (1) FR2578129B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3046334A (en) * 1956-11-20 1962-07-24 Rca Corp Television optical system
DE1118820B (de) * 1959-01-28 1961-12-07 Fernseh Gmbh Schaltungsanordnung zur Erzeugung einer Regelspannung zur selbsttaetigen Regelung eines Fernsehsignals
US4050085A (en) * 1969-06-04 1977-09-20 Hughes Aircraft Company Automatic light control system
JPS58153465A (ja) * 1982-03-09 1983-09-12 Copal Co Ltd 固体撮像素子を使用したスチルカメラ

Also Published As

Publication number Publication date
FR2578129A1 (fr) 1986-08-29

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Legal Events

Date Code Title Description
ST Notification of lapse