FR940907A - Photographic shutter - Google Patents

Photographic shutter

Info

Publication number
FR940907A
FR940907A FR940907DA FR940907A FR 940907 A FR940907 A FR 940907A FR 940907D A FR940907D A FR 940907DA FR 940907 A FR940907 A FR 940907A
Authority
FR
France
Prior art keywords
photographic shutter
photographic
shutter
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)
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 FR940907A publication Critical patent/FR940907A/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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
    • G03B9/18—More than two members
    • G03B9/22—More than two members each moving in one direction to open and then in opposite direction to close, e.g. iris type

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR940907D 1940-10-31 1945-08-04 Photographic shutter Expired FR940907A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US940907XA 1940-10-31 1940-10-31

Publications (1)

Publication Number Publication Date
FR940907A true FR940907A (en) 1948-12-28

Family

ID=22242837

Family Applications (1)

Application Number Title Priority Date Filing Date
FR940907D Expired FR940907A (en) 1940-10-31 1945-08-04 Photographic shutter

Country Status (1)

Country Link
FR (1) FR940907A (en)

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