FR1245820A - System for the automatic adjustment of the diaphragm in photographic and cinematographic cameras and adaptable to all devices - Google Patents

System for the automatic adjustment of the diaphragm in photographic and cinematographic cameras and adaptable to all devices

Info

Publication number
FR1245820A
FR1245820A FR811559A FR811559A FR1245820A FR 1245820 A FR1245820 A FR 1245820A FR 811559 A FR811559 A FR 811559A FR 811559 A FR811559 A FR 811559A FR 1245820 A FR1245820 A FR 1245820A
Authority
FR
France
Prior art keywords
adaptable
photographic
diaphragm
devices
automatic adjustment
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
FR811559A
Other languages
French (fr)
Inventor
Raoul Waroux
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 filed Critical
Priority to FR811559A priority Critical patent/FR1245820A/en
Application granted granted Critical
Publication of FR1245820A publication Critical patent/FR1245820A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/081Analogue circuits
    • G03B7/085Analogue circuits for control of aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR811559A 1959-11-28 1959-11-28 System for the automatic adjustment of the diaphragm in photographic and cinematographic cameras and adaptable to all devices Expired FR1245820A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR811559A FR1245820A (en) 1959-11-28 1959-11-28 System for the automatic adjustment of the diaphragm in photographic and cinematographic cameras and adaptable to all devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR811559A FR1245820A (en) 1959-11-28 1959-11-28 System for the automatic adjustment of the diaphragm in photographic and cinematographic cameras and adaptable to all devices

Publications (1)

Publication Number Publication Date
FR1245820A true FR1245820A (en) 1960-11-10

Family

ID=8721904

Family Applications (1)

Application Number Title Priority Date Filing Date
FR811559A Expired FR1245820A (en) 1959-11-28 1959-11-28 System for the automatic adjustment of the diaphragm in photographic and cinematographic cameras and adaptable to all devices

Country Status (1)

Country Link
FR (1) FR1245820A (en)

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