FR640833A - Improvement in shutters for cinematographic devices - Google Patents

Improvement in shutters for cinematographic devices

Info

Publication number
FR640833A
FR640833A FR640833DA FR640833A FR 640833 A FR640833 A FR 640833A FR 640833D A FR640833D A FR 640833DA FR 640833 A FR640833 A FR 640833A
Authority
FR
France
Prior art keywords
shutters
improvement
cinematographic
devices
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
Andre-Leon-Victor-Cl Debrie
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 FR640833A publication Critical patent/FR640833A/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)
FR640833D 1927-02-21 1927-02-21 Improvement in shutters for cinematographic devices Expired FR640833A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR640833T 1927-02-21

Publications (1)

Publication Number Publication Date
FR640833A true FR640833A (en) 1928-07-23

Family

ID=8997711

Family Applications (1)

Application Number Title Priority Date Filing Date
FR640833D Expired FR640833A (en) 1927-02-21 1927-02-21 Improvement in shutters for cinematographic devices

Country Status (1)

Country Link
FR (1) FR640833A (en)

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