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BIOSCOP DEUTSCHE GmbH
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BIOSCOP DEUTSCHE GmbH
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Application filed by BIOSCOP DEUTSCHE GmbHfiledCriticalBIOSCOP DEUTSCHE GmbH
Application grantedgrantedCritical
Publication of FR397366ApublicationCriticalpatent/FR397366A/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
G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR397366D1908-08-131908-12-12Procédé pour assurer la marche synchrone de cinématographes et de phonographes fonctionnant ensemble
ExpiredFR397366A
(fr)