FR984948A - At least three-fold shutter for still cameras - Google Patents

At least three-fold shutter for still cameras

Info

Publication number
FR984948A
FR984948A FR984948DA FR984948A FR 984948 A FR984948 A FR 984948A FR 984948D A FR984948D A FR 984948DA FR 984948 A FR984948 A FR 984948A
Authority
FR
France
Prior art keywords
still cameras
fold shutter
shutter
fold
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
Arsene Gitzhoven
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 FR984948A publication Critical patent/FR984948A/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)
FR984948D 1943-10-16 1943-10-16 At least three-fold shutter for still cameras Expired FR984948A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR984948T 1943-10-16

Publications (1)

Publication Number Publication Date
FR984948A true FR984948A (en) 1951-07-12

Family

ID=9537054

Family Applications (1)

Application Number Title Priority Date Filing Date
FR984948D Expired FR984948A (en) 1943-10-16 1943-10-16 At least three-fold shutter for still cameras

Country Status (1)

Country Link
FR (1) FR984948A (en)

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