Radial self-propagation pattern generation for disk file servowr

Details Radial self-propagation pattern generation for disk file servowr Radial self-propagation pattern generation for disk file servowr

1994-12-02

1997-03-18

Psitos, Aristotelis

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 29, G11B 5596

Patent

active

056128339

ABSTRACT:
During a write revolution of a storage medium, a transition is written on the storage medium while servoing on another transition previously recorded on the storage medium. During that write revolution, a position error signal corresponding to the position error of the transducer relative to the previously recorded transition is determined. That position error signal is then stored, during the write revolution, to be used in computing a reference track value associated with the transition being written to correct for the position error. Additionally, a product servo-pattern is written, which includes an embodying of the position error therein.

REFERENCES:
patent: 4563058 (1986-01-01), Yardy
patent: 5003412 (1991-03-01), Bizjak et al.
patent: 5448429 (1995-09-01), Cribbs et al.
patent: 5485322 (1996-01-01), Chainer et al.
patent: 5541784 (1996-07-01), Cribbs et al.

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