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Publication of FR822011ApublicationCriticalpatent/FR822011A/fr
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
G11B19/20—Driving; Starting; Stopping; Control thereof
G11B19/28—Speed controlling, regulating, or indicating
FR822011D1937-05-201937-05-20Phonographe et disque à longue durée d'audition
ExpiredFR822011A
(fr)