HDD track following control apparatus and method

Details HDD track following control apparatus and method HDD track following control apparatus and method

2007-06-22

2009-06-16

Olson, Jason C (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S077070, C360S078090

Reexamination Certificate

active

07548393

ABSTRACT:
A track following control apparatus and method for a hard disk drive (HDD) is disclosed and includes an estimator receiving a position error signal from a HDA and generating estimated state information for a magnetic head in response to the position error signal, and a controller receiving the estimated state information and generating a control signal controlling operation of the HAD, wherein the estimator and controller are variably configured according to a write mode or a read mode.

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patent: 6118616 (2000-09-01), Jeong
patent: 2003/0128458 (2003-07-01), Ge et al.
patent: 2003/0184909 (2003-10-01), Zhang et al.
patent: 06-325510 (1994-11-01), None
patent: 07-226041 (1995-08-01), None
patent: 11-149606 (1999-06-01), None

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