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Publication of FR50415EpublicationCriticalpatent/FR50415E/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
G03B19/00—Cameras
G03B19/18—Motion-picture cameras
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR50415D1939-01-161939-01-16Dispositif de commande de la mise au point des appareils de prise de vues cinématographiques et photographiques
ExpiredFR50415E
(fr)
Dispositif permettant de déterminer l'ouverture du diaphragme de l'objectif des appareils de prise de vues photographiques ou cinématographiques