Methods and apparatus for optimizing track seeking operations

Details Methods and apparatus for optimizing track seeking operations Methods and apparatus for optimizing track seeking operations

G - Physics

11

B

G11B 5/55 (2006.01) G11B 7/085 (2006.01) G11B 21/08 (2006.01)

Patent

CA 2041146

ABSTRACT OF THE INVENTION A method and apparatus for providing a dynamic fine track seeking operation that adaptively fine tunes the entrance criteria for the specific disc drive under actual operating conditions. The method and apparatus includes adaptively modifying entrance criteria individually for each head in a disc drive according to actual operating conditions with the use of stored entrance criteria for each head, an extra track proximity threshold and a successful entrance counter. -20- means for decreasing said entrance period when said head does not deviate beyond said secondary proximity threshold for a selected number of consecutive on track declarations.

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