FR1022761A - Dispositif d'éclairage d'appareil de projection - Google Patents

Dispositif d'éclairage d'appareil de projection

Info

Publication number
FR1022761A
FR1022761A FR1022761DA FR1022761A FR 1022761 A FR1022761 A FR 1022761A FR 1022761D A FR1022761D A FR 1022761DA FR 1022761 A FR1022761 A FR 1022761A
Authority
FR
France
Prior art keywords
projection
lighting
lighting device
projection device
device lighting
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
Schwartz
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 FR1022761A publication Critical patent/FR1022761A/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
    • G03B21/20—Lamp housings
FR1022761D 1950-08-02 1950-08-02 Dispositif d'éclairage d'appareil de projection Expired FR1022761A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1022761T 1950-08-02

Publications (1)

Publication Number Publication Date
FR1022761A true FR1022761A (fr) 1953-03-10

Family

ID=9577851

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1022761D Expired FR1022761A (fr) 1950-08-02 1950-08-02 Dispositif d'éclairage d'appareil de projection

Country Status (1)

Country Link
FR (1) FR1022761A (fr)

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