Shockproof data transducer position control system for rotating

Details Shockproof data transducer position control system for rotating Shockproof data transducer position control system for rotating

1990-05-10

1992-06-30

Psitos, Aristotelis

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 60, 360 7708, 369 4433, G11B 5596, G11B 1904

Patent

active

051268957

ABSTRACT:
A transducer position control system capable of shockproofing a hard disk data storage apparatus. Included is an off-track detector circuit relying on servo bursts prerecorded on the disk for detecting if the transducer is positioned within predetermined limits on any desired one of the concentric data tracks on the disk. If not, the off-track detector circuit signals a write circuit to inhibit writing. A programmed microcomputer may be employed to retry the writing of the same data on the disk sector where the transducer has gone off the track.

REFERENCES:
patent: 4390912 (1983-06-01), Hertrich et al.
patent: 4554652 (1985-11-01), Maeda et al.
patent: 4803572 (1989-02-01), Haruna et al.
patent: 4819153 (1989-04-01), Graham et al.
patent: 4839751 (1989-06-01), Revels

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