FR767378A - Further training in cameras - Google Patents

Further training in cameras

Info

Publication number
FR767378A
FR767378A FR767378DA FR767378A FR 767378 A FR767378 A FR 767378A FR 767378D A FR767378D A FR 767378DA FR 767378 A FR767378 A FR 767378A
Authority
FR
France
Prior art keywords
cameras
further training
training
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
Ernest Alexandre Leopold
Maurice Alexis Gourbeault
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 FR767378A publication Critical patent/FR767378A/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
    • G03B7/02—Control effected by setting a graduated member on the camera in accordance with indication or reading afforded by a light meter, which may be either separate from or built into camera body

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR767378D 1933-04-12 1933-04-12 Further training in cameras Expired FR767378A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR767378T 1933-04-12

Publications (1)

Publication Number Publication Date
FR767378A true FR767378A (en) 1934-07-17

Family

ID=9183844

Family Applications (1)

Application Number Title Priority Date Filing Date
FR767378D Expired FR767378A (en) 1933-04-12 1933-04-12 Further training in cameras

Country Status (1)

Country Link
FR (1) FR767378A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2649017A (en) * 1950-06-10 1953-08-18 Harry D Mccarty Photographic light comparator for determining diaphragm adjustment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2649017A (en) * 1950-06-10 1953-08-18 Harry D Mccarty Photographic light comparator for determining diaphragm adjustment

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