FR631599A - Installation pour l'obtention de projections cinématographiques de salon avec accompagnement musical et dispositif pour sa réalisation
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Installation pour l'obtention de projections cinématographiques de salon avec accompagnement musical et dispositif pour sa réalisation
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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
G03B31/04—Associated working of cameras or projectors with sound-recording or sound-reproducing means in which sound track is not on, but is synchronised with, a moving-picture film
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FR631599D1926-06-181926-06-18Installation pour l'obtention de projections cinématographiques de salon avec accompagnement musical et dispositif pour sa réalisation
ExpiredFR631599A
(fr)
Organe de support et de centrage de la bobine d'un dispositif électrodynamique, permettant de transformer des oscillations électriques en oscillations acoustiques ou inversement