FR860844A - Perfectionnements aux appareils photographiques - Google Patents

Perfectionnements aux appareils photographiques

Info

Publication number
FR860844A
FR860844A FR860844DA FR860844A FR 860844 A FR860844 A FR 860844A FR 860844D A FR860844D A FR 860844DA FR 860844 A FR860844 A FR 860844A
Authority
FR
France
Prior art keywords
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
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kodak Pathe SA
Original Assignee
Kodak Pathe SA
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 by Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR860844A publication Critical patent/FR860844A/fr
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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/58—Means for varying duration of "open" period of shutter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR860844D 1938-10-13 1939-10-13 Perfectionnements aux appareils photographiques Expired FR860844A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB860844X 1938-10-13

Publications (1)

Publication Number Publication Date
FR860844A true FR860844A (fr) 1941-01-24

Family

ID=10595809

Family Applications (1)

Application Number Title Priority Date Filing Date
FR860844D Expired FR860844A (fr) 1938-10-13 1939-10-13 Perfectionnements aux appareils photographiques

Country Status (1)

Country Link
FR (1) FR860844A (fr)

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