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Contents acquiring device, contents acquiring method, contents server and contents acquiring system

  • US 20010025305A1
  • Filed: 12/27/2000
  • Published: 09/27/2001
  • Est. Priority Date: 12/27/1999
  • Status: Active Grant
First Claim
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1. A contents acquiring device comprising:

  • cache means for temporarily storing received contents;

    acquisition request accepting means for accepting an acquisition request for contents;

    cache deciding means for deciding whether the contents requested by the acquisition request are stored in the cache means or not;

    valid expiration setting means for setting a valid expiration as an update expiration of the contents based on a valid term of the contents when it is decided by the cache deciding means that the contents are stored in the cache means;

    acquisition request transmitting means for transmitting the acquisition request for the contents when the contents are out of the valid expiration set by the valid expiration setting means; and

    contents receiving means for receiving contents based on the acquisition request transmitted from the acquisition request transmitting means.

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