Dynamic magnetic information storage or retrieval – Record transport with head moving during transducing – Disk record
Patent
1986-02-04
1988-04-19
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record transport with head moving during transducing
Disk record
360 97, 360106, 360109, 360 73, 360 741, 360 75, G11B 552, G11B 1900, G11B 5012, G11B 555
Patent
active
047394226
ABSTRACT:
A magnetic recording apparatus including a base, a drive shaft mounted on the base for rotating a magnetic disc, a movable member adapted to reciprocate in a radial direction of the magnetic disc while holding a magnetic head, the movable member being urged in a first direction; a motor; a gear reduction mechanism including a plurality of gears wherein the plurality of gears and the drive shaft are connected to the motor wherein the rotational direction of the motor is controlled in either forward or reverse operation selectively; a support portion; and a belt mechanism for pulling said movable member in a direction opposite the first direction, one end of the belt being connected to a rotation output portion of the reduction mechanism, an intermediate part of the belt mechanism engaging the movable member and an opposite end of the belt mechanism being fixed to the support portion such that accurate tracking action is attained.
REFERENCES:
patent: 3046357 (1962-07-01), Fujimoto
patent: 3060940 (1962-10-01), Fujimoto
patent: 3855620 (1974-12-01), Kato
patent: 3922717 (1975-11-01), Zimmerman
patent: 4131923 (1978-12-01), Wachs et al.
patent: 4314292 (1982-02-01), Umaba
patent: 4641209 (1987-02-01), Smith, II
Porter et al., "Disk Drive with Synchronous Head Tracking," IBM Technical Disclosure Bulletin, vol. 18, No. 11, Apr. 1976, pp. 3769-3770.
Castrodale et al., "Magnetic Head Band Access Mechanism," IBM Technical Disclosure Bulletin, vol. 17, No. 1, Jun. 1974, pp. 196-197.
Bussan Matthew J.
Tokyo Electric Co. Ltd.
Wolff John H.
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