Frequency domain head linearization

Details Frequency domain head linearization Frequency domain head linearization

1997-07-25

2000-06-06

Kim, W. Chris

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 7809, 318560, 318561, 31856822, G11B 5596

Patent

active

060726547

ABSTRACT:
A method for adjusting the frequency response of a servo loop is provided that positions a servo head at a nominal position over a medium and determines the frequency response of the servo loop. A compensation gain is determined at the nominal position such that when the compensation gain is combined with the servo loop's frequency response, the compensation gain causes the frequency response to approach a desired frequency response. In addition, a servo loop and a disc drive with such compensation gain are provided.

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patent: 5473550 (1995-12-01), Cameron et al.
patent: 5510939 (1996-04-01), Lewis
patent: 5592346 (1997-01-01), Sullivan

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