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Method and apparatus for determining a location of a defect on a storage medium

  • US 8,305,703 B2
  • Filed: 07/22/2011
  • Issued: 11/06/2012
  • Est. Priority Date: 01/14/2009
  • Status: Expired due to Fees
First Claim
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1. A method, comprising:

  • detecting a change in a property of a signal, the signal being sensed from a storage medium by a disk drive;

    determining a count corresponding to a first location on the storage medium at which the change in the property of the signal sensed from the storage medium is detected; and

    using the count to predict a second location on the storage medium at which the change in the property of the signal sensed from the storage medium is detected,wherein, relative to the first location on the storage medium, the second location on the storage medium is closer to an actual location of a feature on the storage medium that causes the change in the property of the signal sensed from the storage medium.

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