Rotary head type magnetic recording reproducing apparatus

Details Rotary head type magnetic recording reproducing apparatus Rotary head type magnetic recording reproducing apparatus

1997-02-10

1998-08-25

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360107, 36013024, G11B 556, G11B 2124

Patent

active

057988943

ABSTRACT:
A shaft is fixed on a fixed drum, and a rotary drum is supported rotatably on the shaft. Parallel plate springs are supported by the rotary drum, and at movable portions of the plate springs, a permanent magnet is gripped and a magnetic head is supported. A yoke having a wall surface opposing to both side surfaces of the permanent magnet with a prescribed distance therebetween is fixed on the fixed drum. A first coil is mounted and fixed to oppose to one side surface of the permanent magnet with a prescribed space, and a second coil is attached and fixed to oppose to the other side surface with a prescribed space therebetween, on the yoke. Accordingly, responsiveness in dynamic tracking operation at the time of signal reproduction can be improved, and vibration of the magnetic head during signal recording can be prevented.

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