Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Patent
1990-04-16
1992-01-21
Psitos, Aristotelis
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
360 75, 369 32, G11B 2108, G11B 555
Patent
active
050832298
ABSTRACT:
The method of the invention is performed on a disk drive with at least a rotatable disk and a head/arm mechanism movable thereover. The disk has a plurality of concentric tracks, including innermost and outermost tracks and an intermediate track positioned therebetween, with the intermediate track including often-used records. The method reduces movements of the head/arm mechanism through the steps of: positioning the head/arm mechanism over the intermediate track; moving the head/arm mechanism away from the intermediate track to another track to perform a requested read operation; moving the head/arm mechanism back to the intermediate track from the further track and performing write actions in the tracks over which the head/arm mechanism moves in its traversal back to the intermediate track.
REFERENCES:
patent: 4434487 (1984-02-01), Rubinson et al.
patent: 4545043 (1985-10-01), Anderson et al.
patent: 4722085 (1988-01-01), Flora et al.
patent: 4817035 (1989-03-01), Timsit
patent: 4819153 (1989-04-01), Graham et al.
patent: 4860194 (1989-08-01), Harrison et al.
Garland Steven R.
International Business Machines - Corporation
Psitos Aristotelis
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