FR1184474A - Improvements to cinematographic and photographic cameras - Google Patents

Improvements to cinematographic and photographic cameras

Info

Publication number
FR1184474A
FR1184474A FR1184474DA FR1184474A FR 1184474 A FR1184474 A FR 1184474A FR 1184474D A FR1184474D A FR 1184474DA FR 1184474 A FR1184474 A FR 1184474A
Authority
FR
France
Prior art keywords
cinematographic
photographic cameras
photographic
cameras
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
Marcel Beaulieu
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 FR1184474A publication Critical patent/FR1184474A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control 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
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1184474D 1957-10-17 1957-10-17 Improvements to cinematographic and photographic cameras Expired FR1184474A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1184474T 1957-10-17

Publications (1)

Publication Number Publication Date
FR1184474A true FR1184474A (en) 1959-07-22

Family

ID=9663509

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1184474D Expired FR1184474A (en) 1957-10-17 1957-10-17 Improvements to cinematographic and photographic cameras

Country Status (1)

Country Link
FR (1) FR1184474A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3116659A (en) * 1959-09-28 1964-01-07 Invertions Finance Corp Exposure control for still or moving picture cameras
DE1182952B (en) * 1960-09-29 1964-12-03 Andre Clement Coutant Device for automatic exposure control in a cinematographic camera
US3208078A (en) * 1963-01-07 1965-09-21 Bell & Howell Co Automatic sky light balancing in camera exposure control

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3116659A (en) * 1959-09-28 1964-01-07 Invertions Finance Corp Exposure control for still or moving picture cameras
DE1182952B (en) * 1960-09-29 1964-12-03 Andre Clement Coutant Device for automatic exposure control in a cinematographic camera
US3208078A (en) * 1963-01-07 1965-09-21 Bell & Howell Co Automatic sky light balancing in camera exposure control

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