Method and apparatus for controlling disc drive using...

Details Method and apparatus for controlling disc drive using... Method and apparatus for controlling disc drive using...

2006-06-13

2009-11-17

Olson, Jason C (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S073010, C360S078040

Reexamination Certificate

active

07619845

ABSTRACT:
A method and an apparatus to control a disc drive, and more particularly, a method and an apparatus to control a disc drive using an indirectly determined counter-electromotive force. The method of controlling the disc drive using a counter-electromotive force includes determining a change in a servo parameter of the disc drive; and controlling the disc drive based on the determined change.

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