FR613945A - Shutter for cinematographic projection devices - Google Patents

Shutter for cinematographic projection devices

Info

Publication number
FR613945A
FR613945A FR613945DA FR613945A FR 613945 A FR613945 A FR 613945A FR 613945D A FR613945D A FR 613945DA FR 613945 A FR613945 A FR 613945A
Authority
FR
France
Prior art keywords
shutter
projection devices
cinematographic projection
cinematographic
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
Other languages
French (fr)
Inventor
Alfred De Brayer
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 FR613945A publication Critical patent/FR613945A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR613945D 1925-08-07 1925-08-07 Shutter for cinematographic projection devices Expired FR613945A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR613945T 1925-08-07

Publications (1)

Publication Number Publication Date
FR613945A true FR613945A (en) 1926-12-02

Family

ID=8979868

Family Applications (1)

Application Number Title Priority Date Filing Date
FR613945D Expired FR613945A (en) 1925-08-07 1925-08-07 Shutter for cinematographic projection devices

Country Status (1)

Country Link
FR (1) FR613945A (en)

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