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FR1367405A - Improvements to photographic devices or accessories - Google Patents

Improvements to photographic devices or accessories

Info

Publication number
FR1367405A
FR1367405A FR764695A FR764695A FR1367405A FR 1367405 A FR1367405 A FR 1367405A FR 764695 A FR764695 A FR 764695A FR 764695 A FR764695 A FR 764695A FR 1367405 A FR1367405 A FR 1367405A
Authority
FR
France
Prior art keywords
accessories
photographic devices
photographic
devices
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
FR764695A
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
Priority to FR764695A priority Critical patent/FR1367405A/en
Application granted granted Critical
Publication of FR1367405A publication Critical patent/FR1367405A/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
    • G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
    • G03B7/09973—Through the lens [TTL] measuring in mirror-reflex cameras using the mirror as sensor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR764695A 1958-05-03 1958-05-03 Improvements to photographic devices or accessories Expired FR1367405A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR764695A FR1367405A (en) 1958-05-03 1958-05-03 Improvements to photographic devices or accessories

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR764695A FR1367405A (en) 1958-05-03 1958-05-03 Improvements to photographic devices or accessories

Publications (1)

Publication Number Publication Date
FR1367405A true FR1367405A (en) 1964-07-24

Family

ID=8706418

Family Applications (1)

Application Number Title Priority Date Filing Date
FR764695A Expired FR1367405A (en) 1958-05-03 1958-05-03 Improvements to photographic devices or accessories

Country Status (1)

Country Link
FR (1) FR1367405A (en)

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