FR28421E - Appareil de projection cinématographique - Google Patents

Appareil de projection cinématographique

Info

Publication number
FR28421E
FR28421E FR28421DA FR28421E FR 28421 E FR28421 E FR 28421E FR 28421D A FR28421D A FR 28421DA FR 28421 E FR28421 E FR 28421E
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
English (en)
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 FR28421E publication Critical patent/FR28421E/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
    • G03B21/43—Driving mechanisms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR28421D 1923-11-19 1923-11-19 Appareil de projection cinématographique Expired FR28421E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR28421T 1923-11-19

Publications (1)

Publication Number Publication Date
FR28421E true FR28421E (fr) 1925-02-27

Family

ID=8666598

Family Applications (1)

Application Number Title Priority Date Filing Date
FR28421D Expired FR28421E (fr) 1923-11-19 1923-11-19 Appareil de projection cinématographique

Country Status (1)

Country Link
FR (1) FR28421E (fr)

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