Method and apparatus for positioning a head in a disk drive...

Details Method and apparatus for positioning a head in a disk drive... Method and apparatus for positioning a head in a disk drive...

2006-06-13

2006-06-13

Young, Wayne (Department: 2651)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

Reexamination Certificate

active

07061710

ABSTRACT:
A disk drive includes a head positioning system having a feed forward control system to correct a RRO component. The feed forward control system has a measuring unit which feeds back the last correction value obtained from the input value of the controller and measures a RRO component generated after the correction and an FF filter which computes a correction value to correct the RRO component.

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patent: 6600621 (2003-07-01), Yarmchuk
patent: 6608731 (2003-08-01), Szita
patent: 8-212733 (1996-08-01), None
patent: 2003-188701 (2003-07-01), None
Australian Search Report dated Jun. 29, 2005 for Singapore Appln. No. 200406501-7.

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