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.)
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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 FR470686ApublicationCriticalpatent/FR470686A/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
G03B21/46—Mechanisms transmitting motion to film-strip feed; Mechanical linking of shutter and intermittent feed affording adjustment for framing
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR470686D1913-06-201913-06-20Dispositif de cadrage pour appareils de projection
ExpiredFR470686A
(fr)