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PORTABLE CONTENT PLAYER, CONTENT STORAGE DEVICE, AND METHOD OF SYNCHRONIZING CONTENT STATE LISTS BETWEEN PORTABLE CONTENT PLAYER AND CONTENT STORAGE DEVICE

  • US 20080109492A1
  • Filed: 05/01/2007
  • Published: 05/08/2008
  • Est. Priority Date: 11/03/2006
  • Status: Active Grant
First Claim
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1. A method of synchronizing content state lists between a portable content player and a content storage device having a content reproduction function, the method comprising:

  • generating a first content state list for content stored in the content storage device and a second content state list for content stored in the portable content player;

    generating an execution list based on the first content state list and the second content state list; and

    matching the first content state list with the second content state list by executing a synchronization command included in the execution list on content selected to be synchronized.

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