FR922827A - Improvements to cinematographic devices - Google Patents

Improvements to cinematographic devices

Info

Publication number
FR922827A
FR922827A FR922827DA FR922827A FR 922827 A FR922827 A FR 922827A FR 922827D A FR922827D A FR 922827DA FR 922827 A FR922827 A FR 922827A
Authority
FR
France
Prior art keywords
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
Emmanuel Brehinier
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 FR922827A publication Critical patent/FR922827A/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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/32—Details specially adapted for motion-picture projection
    • G03B21/43—Driving mechanisms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR922827D 1946-01-08 1946-01-08 Improvements to cinematographic devices Expired FR922827A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR922827T 1946-01-08

Publications (1)

Publication Number Publication Date
FR922827A true FR922827A (en) 1947-06-19

Family

ID=9438267

Family Applications (1)

Application Number Title Priority Date Filing Date
FR922827D Expired FR922827A (en) 1946-01-08 1946-01-08 Improvements to cinematographic devices

Country Status (1)

Country Link
FR (1) FR922827A (en)

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