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Secure clock with grace periods

  • US 20060248596A1
  • Filed: 04/27/2005
  • Published: 11/02/2006
  • Est. Priority Date: 04/27/2005
  • Status: Active Grant
First Claim
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1. A system of controlling playback of digital media comprising:

  • a CE device having a secure clock; and

    a license having a specified grace period disposed upon the CE device in which a digital media file governed by the license may be played for the grace period upon failure of the secure clock.

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