Weighting servo signals for head positioning

Details Weighting servo signals for head positioning Weighting servo signals for head positioning

2006-01-31

2006-01-31

Hudspeth, David (Department: 2651)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

Reexamination Certificate

active

06992857

ABSTRACT:
In one embodiment, a servo positioning method includes deriving a first servo signal S1from a first servo band, deriving a second servo signal S2from a second servo band, defining a head element reference between the servo bands, weighting each servo signal according to a ratio of distances between the head element reference and a location on each servo band, and computing a servo control signal based on the weighted servo signals.

REFERENCES:
patent: 6204990 (2001-03-01), Bruccoleri et al.
patent: 6831805 (2004-12-01), Chliwnyj et al.

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