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CONTINSOUZA ETS
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CONTINSOUZA ETS
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Publication of FR557902ApublicationCriticalpatent/FR557902A/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
G03B19/26—Motion-picture cameras with fade-in and fade-out effects
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR557902D1922-10-271922-10-27Dispositif de fermeture automatique de l'obturateur dans un appareil de prises de vues cinématographiques
ExpiredFR557902A
(fr)