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Techniques for generating modulation codes using running substitutions

  • US 20060170578A1
  • Filed: 02/01/2005
  • Published: 08/03/2006
  • Est. Priority Date: 02/01/2005
  • Status: Active Grant
First Claim
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1. A disk drive controller comprising:

  • a modulation encoder that encodes data to generate encoded data; and

    a substitution engine that performs substitutions of bit patterns within a sliding window of the encoded data that match at least one prohibited bit pattern.

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