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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CIE GENERALE DES MACHINES PARL
Original Assignee
CIE GENERALE DES MACHINES PARL
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Filing date
Publication date
Application filed by CIE GENERALE DES MACHINES PARLfiledCriticalCIE GENERALE DES MACHINES PARL
Application grantedgrantedCritical
Publication of FR679917ApublicationCriticalpatent/FR679917A/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
FR679917D1929-08-051929-08-05Perfectionnements aux machines parlantes
ExpiredFR679917A
(fr)