FR649025A - Cinematographic projection device - Google Patents

Cinematographic projection device

Info

Publication number
FR649025A
FR649025A FR649025DA FR649025A FR 649025 A FR649025 A FR 649025A FR 649025D A FR649025D A FR 649025DA FR 649025 A FR649025 A FR 649025A
Authority
FR
France
Prior art keywords
projection device
cinematographic projection
cinematographic
projection
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
Georges Rouiller
Jean Marion
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 FR649025A publication Critical patent/FR649025A/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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR649025D 1927-07-05 1927-07-05 Cinematographic projection device Expired FR649025A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR649025T 1927-07-05

Publications (1)

Publication Number Publication Date
FR649025A true FR649025A (en) 1928-12-17

Family

ID=9003052

Family Applications (1)

Application Number Title Priority Date Filing Date
FR649025D Expired FR649025A (en) 1927-07-05 1927-07-05 Cinematographic projection device

Country Status (1)

Country Link
FR (1) FR649025A (en)

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