Magnetic recording/reproducing apparatus having an offset head c

Details Magnetic recording/reproducing apparatus having an offset head c Magnetic recording/reproducing apparatus having an offset head c

1994-07-20

1997-02-11

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

36013022, 36013024, G11B 1560, G11B 552, G11B 2104, G11B 2118

Patent

active

056027028

ABSTRACT:
A magnetic recording/reproducing apparatus according to the present invention includes: a fixed cylinder; a rotary cylinder rotatably supported by the fixed cylinder, the rotary cylinder including a disk-shaped magnet in which first areas having a first pole and second areas having a second pole opposite to the first pole are alternately arranged; and a head chip attached to the rotary cylinder, wherein the fixed cylinder has a stator coil for generating a magnetic force between the stator coil and the disk-shaped magnet, thereby rotating the rotary cylinder, and the head chip is placed on the rotary cylinder so that a phase angle .theta. between a virtual plane including a center of a head gap of the head chip and a rotation axis of the rotary cylinder and one of two polar boundary planes sandwiching the area where the virtual plane traverses satisfies 0.4.alpha..ltoreq..theta..ltoreq.0.6.alpha., where a central angle of the area is .alpha..

REFERENCES:
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patent: 4890379 (1990-01-01), Yohda et al.
patent: 5065267 (1991-11-01), Yohda
patent: 5075809 (1991-12-01), Heinz et al.
patent: 5184266 (1993-02-01), Kanai et al.
patent: 5195002 (1993-03-01), Sakurai
patent: 5387457 (1995-02-01), Sato

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