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Priority to FR44579ApriorityCriticalpatent/FR1385995A/fr
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Publication of FR1385995ApublicationCriticalpatent/FR1385995A/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
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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Physics & Mathematics
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General Physics & Mathematics
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FR44579A1964-03-131964-03-13Dispositif pour l'exposition ou la reproduction de films sonores
ExpiredFR1385995A
(fr)