Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1989-05-19
1992-09-01
Severin, David J.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
360 9701, G11B 554
Patent
active
051445093
ABSTRACT:
A double-side magnetic recording-reproducing apparatus, wherein a top magnetic head and a bottom magnetic head are respectively provided upwardly and downwardly of a magnetic recording medium to be rotated by a spindle motor, and magnetic recording on the both surfaces of the magnetic recording medium or magnetic reproducing therefrom is performed. An actuator for vertically moving the spindle motor and the magnetic recording medium, respectively, is provided, the side of the magnetic recording medium is vertically moved by the actuator, and the top magnetic head or the bottom magnetic head is selectively brought into contact with the top surface or the undersurface of the magnetic recording medium.
REFERENCES:
patent: 4887176 (1989-12-01), Dussinger et al.
Fuji Photo Film Co. , Ltd.
Severin David J.
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