Intelligent hard disk drive with track pitch adjustment

Details Intelligent hard disk drive with track pitch adjustment Intelligent hard disk drive with track pitch adjustment

1996-12-30

1999-07-27

Huber, Paul W.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 7704, G11B 5596

Patent

active

059300698

ABSTRACT:
An intelligent hard disk drive (HDD) is provided with a track pitch adjustment, which includes a detector for detecting a position difference between a present track position and a target track position during a track search mode to update the track position at every servo interrupt, and an adjuster for adjusting a displacement of a head according to a track of each of a number of zones demarcated on the disk during a track following mode to keep the head on-track.

REFERENCES:
patent: 4414589 (1983-11-01), Oliver et al.
patent: 4679103 (1987-07-01), Workman
patent: 4945427 (1990-07-01), Cunningham
patent: 5570247 (1996-10-01), Brown et al.
patent: 5796711 (1998-08-01), Tomita et al.

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