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G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B21/00—Head arrangements not specific to the method of recording or reproducing
G11B21/02—Driving or moving of heads
G11B21/04—Automatic feed mechanism producing a progressive transducing traverse of the head in a direction which cuts across the direction of travel of the recording medium, e.g. helical scan, e.g. by lead-screw
FR967339D1948-06-011948-06-01Disque phonographique et phonographe pour l'enregistrement et la reproduction de sons par voie magnétique
ExpiredFR967339A
(fr)