FR529480A - Perfectionnements aux appareils cinématographiques - Google Patents

Perfectionnements aux appareils cinématographiques

Info

Publication number
FR529480A
FR529480A FR529480DA FR529480A FR 529480 A FR529480 A FR 529480A FR 529480D A FR529480D A FR 529480DA FR 529480 A FR529480 A FR 529480A
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
English (en)
Inventor
Ferdinand-Alex Alexandre
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 FR529480A publication Critical patent/FR529480A/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
    • 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)
FR529480D 1921-01-07 1921-01-07 Perfectionnements aux appareils cinématographiques Expired FR529480A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR529480T 1921-01-07

Publications (1)

Publication Number Publication Date
FR529480A true FR529480A (fr) 1921-11-29

Family

ID=8922735

Family Applications (1)

Application Number Title Priority Date Filing Date
FR529480D Expired FR529480A (fr) 1921-01-07 1921-01-07 Perfectionnements aux appareils cinématographiques

Country Status (1)

Country Link
FR (1) FR529480A (fr)

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