FR1120055A - Improvements in photographic, cinematographic or similar cameras - Google Patents

Improvements in photographic, cinematographic or similar cameras

Info

Publication number
FR1120055A
FR1120055A FR1120055DA FR1120055A FR 1120055 A FR1120055 A FR 1120055A FR 1120055D A FR1120055D A FR 1120055DA FR 1120055 A FR1120055 A FR 1120055A
Authority
FR
France
Prior art keywords
cinematographic
photographic
similar cameras
cameras
similar
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
Other languages
French (fr)
Inventor
Georges Roy-Morin
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
Application granted granted Critical
Publication of FR1120055A publication Critical patent/FR1120055A/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)
FR1120055D 1952-12-15 1952-12-15 Improvements in photographic, cinematographic or similar cameras Expired FR1120055A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1120055T 1952-12-15

Publications (1)

Publication Number Publication Date
FR1120055A true FR1120055A (en) 1956-06-29

Family

ID=9631249

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1120055D Expired FR1120055A (en) 1952-12-15 1952-12-15 Improvements in photographic, cinematographic or similar cameras

Country Status (1)

Country Link
FR (1) FR1120055A (en)

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