FR797828A - Improvements to cinematographic devices - Google Patents

Improvements to cinematographic devices

Info

Publication number
FR797828A
FR797828A FR797828DA FR797828A FR 797828 A FR797828 A FR 797828A FR 797828D A FR797828D A FR 797828DA FR 797828 A FR797828 A FR 797828A
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
Maurice-Edmond-Hippo Richard
Jean-Francois Peyronnet
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 FR797828A publication Critical patent/FR797828A/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
FR797828D 1935-02-06 1935-02-06 Improvements to cinematographic devices Expired FR797828A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR797828T 1935-02-06

Publications (1)

Publication Number Publication Date
FR797828A true FR797828A (en) 1936-05-05

Family

ID=9235907

Family Applications (1)

Application Number Title Priority Date Filing Date
FR797828D Expired FR797828A (en) 1935-02-06 1935-02-06 Improvements to cinematographic devices

Country Status (1)

Country Link
FR (1) FR797828A (en)

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