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Data distribution system and data selling apparatus therefor, data retrieving apparatus, duplicated data detecting system, and data reproduction apparatus

  • US 7,676,401 B2
  • Filed: 12/20/2005
  • Issued: 03/09/2010
  • Est. Priority Date: 03/26/1998
  • Status: Expired due to Fees
First Claim
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1. A display apparatus for reproducing and displaying digital data stored on storage media, said digital data including data to be displayed, reproducing apparatus specifying information specifying an apparatus capable of reproduction and copy permission information, said reproducing apparatus specifying information and said copy permission information being stored on said storage media together with said data to be displayed, comprising:

  • a memory storing display ID information unique to said display apparatus;

    means for reading out said digital data from said storage media;

    copy permission determining means for checking said copy permission information read out from said storage media separately of said reproducing apparatus specifying information and for determining based on said copy permission information whether copying of said digital data is permitted or not;

    ID information determining means for determining whether the display apparatus is capable of reproducing said data to be displayed based on said display ID information stored in said memory and said reproducing apparatus specifying information; and

    display control means for controlling display and non-display of said data to be displayed dependent on determinations by said copy permission determining means and said ID information determining means.

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