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Thermal asperity compensation in perpendicular recording

  • US 7,286,311 B1
  • Filed: 01/09/2004
  • Issued: 10/23/2007
  • Est. Priority Date: 05/07/2001
  • Status: Expired due to Term
First Claim
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1. A data detection circuit, comprising:

  • a transient detector that senses transient events in data;

    a first data detector path that applies a first equalization target to generate a first bit stream from said data;

    a second data detector path that applies a second equalization target to generate a second bit stream from said data; and

    a baseline correction circuit that generates a baseline correction signal using said first bit stream when said transient detector does not sense said transient events and said second bit stream when said transient detector senses said transient events.

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