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GENERALE des Ets PATHE FRERES PHONOGRAPHE ET CINEMATOGRAPHE Cie
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GENERALE des Ets PATHE FRERES PHONOGRAPHE ET CINEMATOGRAPHE Cie
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Application filed by GENERALE des Ets PATHE FRERES PHONOGRAPHE ET CINEMATOGRAPHE CiefiledCriticalGENERALE des Ets PATHE FRERES PHONOGRAPHE ET CINEMATOGRAPHE Cie
Application grantedgrantedCritical
Publication of FR471163ApublicationCriticalpatent/FR471163A/fr
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
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR471163D1913-07-021913-07-02Dispositif d'enroulement automatique du film dans les appareils cinématographiques
ExpiredFR471163A
(fr)