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Societe des Etablissements Gaumont
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Societe des Etablissements Gaumont
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Filing date
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Application filed by Societe des Etablissements GaumontfiledCriticalSociete des Etablissements Gaumont
Application grantedgrantedCritical
Publication of FR608153ApublicationCriticalpatent/FR608153A/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
G03B21/44—Mechanisms transmitting motion to film-strip feed; Mechanical linking of shutter and intermittent feed
G03B21/48—Mechanisms transmitting motion to film-strip feed; Mechanical linking of shutter and intermittent feed for altering frame speed; for regulating constancy of film speed
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR608153D1925-03-261925-03-26Dispositif de régulation de vitesse pour appareils cinématographiques ou phoniques à défilement continu du film
ExpiredFR608153A
(fr)