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Publication of FR62864EpublicationCriticalpatent/FR62864E/en
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
G11B15/26—Driving record carriers by members acting directly or indirectly thereon
G11B15/34—Driving record carriers by members acting directly or indirectly thereon through non-slip drive means, e.g. sprocket
FR62864D1952-05-081952-05-08
Method and device for synchronizing the progress of a cinematographic film and that of a sound recording on magnetic tape
ExpiredFR62864E
(en)