Method and apparatus for providing a linear position error sensi

Details Method and apparatus for providing a linear position error sensi Method and apparatus for providing a linear position error sensi

1997-06-30

1999-12-14

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 7702, G11B 5596

Patent

active

060025417

ABSTRACT:
In accordance with the present invention a storage device servo control system that positions a head relative to multiple tracks of a storage medium includes a servo signal filter that receives a readback signal from the head and produces filtered servo signal data samples, a servo demodulator that receives the filtered readback servo signal from the servo signal filter and produces a position error signal that indicates the head position relative to a track using a demodulation scheme selected in accordance with a track width profile of the storage device, and includes a servo controller that determines the demodulation scheme to be used by the servo demodulator and that processes the position error signal to maintain the head centered relative to the track.

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patent: 5867341 (1999-02-01), Volz et al.

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