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Application filed by Alois Handler, Vockenhuber KarlfiledCriticalAlois Handler
Publication of BE580891ApublicationCriticalpatent/BE580891A/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
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Transmission Devices
(AREA)
Discharge By Other Means
(AREA)
BE580891A1958-07-221959-07-20Mécanisme compteur pour appareil photograhique
BE580891A
(fr)