FR555655A - Perfectionnements apportés aux appareils de projections cinématographiques - Google Patents

Perfectionnements apportés aux appareils de projections cinématographiques

Info

Publication number
FR555655A
FR555655A FR555655DA FR555655A FR 555655 A FR555655 A FR 555655A FR 555655D A FR555655D A FR 555655DA FR 555655 A FR555655 A FR 555655A
Authority
FR
France
Prior art keywords
improvements made
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
English (en)
Inventor
Emile-Louis Pouillot
Rene-Valentin Tauriac
Alfred-Victor-Andre Delalande
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 FR555655A publication Critical patent/FR555655A/fr
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
    • G03B21/50—Control devices operated by the film strip during the run

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR555655D 1922-09-04 1922-09-04 Perfectionnements apportés aux appareils de projections cinématographiques Expired FR555655A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR555655T 1922-09-04

Publications (1)

Publication Number Publication Date
FR555655A true FR555655A (fr) 1923-07-04

Family

ID=8939612

Family Applications (1)

Application Number Title Priority Date Filing Date
FR555655D Expired FR555655A (fr) 1922-09-04 1922-09-04 Perfectionnements apportés aux appareils de projections cinématographiques

Country Status (1)

Country Link
FR (1) FR555655A (fr)

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