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Disk drive generating feed-forward actuator compensation based on a speaker driver signal

  • US 8,634,158 B1
  • Filed: 11/16/2011
  • Issued: 01/21/2014
  • Est. Priority Date: 11/16/2011
  • Status: Active Grant
First Claim
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1. A disk drive comprising:

  • a disk;

    a head;

    an actuator for actuating the head over the disk; and

    control circuitry comprising a servo control system for controlling the actuator, the control circuitry operable to;

    generate a compensation value based on a speaker driver signal; and

    control the actuator using the compensation value.

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  • 6 Assignments
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