Deterministic phase mismatch correction in servo position...

Dynamic magnetic information storage or retrieval – Electronically correcting phasing errors between related...

Reexamination Certificate

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C360S077070

Reexamination Certificate

active

07859778

ABSTRACT:
A method includes estimating a phase difference between components of a position signal in a servo position estimation system, and correcting the phase difference of the components of the position signal to provide a phase-compensated position signal.

REFERENCES:
patent: 6608477 (2003-08-01), Sacks et al.
patent: 6853514 (2005-02-01), Li et al.
patent: 6980389 (2005-12-01), Kupferman
patent: 7064914 (2006-06-01), Erden et al.
patent: 2003/0112546 (2003-06-01), Hanson et al.
patent: 2006/0245105 (2006-11-01), Asakura et al.
patent: 2007/0025003 (2007-02-01), Erden et al.

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