Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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AGA Baltic Radio AB
Original Assignee
AGA Baltic Radio AB
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Filing date
Publication date
Application filed by AGA Baltic Radio ABfiledCriticalAGA Baltic Radio AB
Application grantedgrantedCritical
Publication of FR715045ApublicationCriticalpatent/FR715045A/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
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR715045D1931-01-171931-04-10Dispositif de déroulement (d'entraînement) pour films cinématographiques et similaires, spécialement pour films sonores
ExpiredFR715045A
(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