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Publication of FR654052ApublicationCriticalpatent/FR654052A/fr
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
G11B3/02—Arrangements of heads
G11B3/10—Arranging, supporting, or driving of heads or of transducers relatively to record carriers
G11B3/42—Arranging, supporting, or driving of heads or of transducers relatively to record carriers with provision for adaptation or interchange of heads
FR654052D1928-05-101928-05-10Perfectionnements apportés aux lecteurs électro-magnétiques pour disques de phonographe ou autres applications
ExpiredFR654052A
(fr)