FR736425A - Dispositif pour la marche et la tension du film entre la fenêtre de projection et le magasin ou l'enrouleuse, dans un appareil de projections sonores
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Dispositif pour la marche et la tension du film entre la fenêtre de projection et le magasin ou l'enrouleuse, dans un appareil de projections sonores
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EXPL D INV S CINEMATOGRAPHIQUE
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EXPL D INV S CINEMATOGRAPHIQUE
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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
G03B31/02—Associated working of cameras or projectors with sound-recording or sound-reproducing means in which sound track is on a moving-picture film
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FR736425D1931-09-031931-09-03Dispositif pour la marche et la tension du film entre la fenêtre de projection et le magasin ou l'enrouleuse, dans un appareil de projections sonores
ExpiredFR736425A
(fr)
Dispositif pour la marche et la tension du film entre la fenêtre de projection et le magasin ou l'enrouleuse, dans un appareil de projections sonores
Appareil de représentation cinématographique avec dispositif d'arrêt du film et diaphragme-ventilateur à marche continue interposé entre la source de lumière et le film