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Data transfer system, data transfer apparatus, data recording apparatus, edit controlling method and data processing method

  • US 20030031319A1
  • Filed: 06/12/2002
  • Published: 02/13/2003
  • Est. Priority Date: 06/13/2001
  • Status: Active Grant
First Claim
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1. A data recording apparatus for selectively receiving either first content data which are encrypted or second content data which are unencrypted, the received data being recorded to a storage medium constituted by a program area and a management area, said data recording apparatus comprising:

  • first receiving means for receiving the encrypted first content data;

    second receiving means for receiving the unencrypted second content data;

    decrypting means for decrypting said encrypted first content data received by said first receiving means;

    recording means for selectively recording either said first content data decrypted by said decrypting means or said second content data received by said second receiving means to said program area of said storage medium, said recording means further recording an identifier to said management area of said storage medium, said identifier identifying either the decrypted first content data recorded in said program area of said storage medium or said second content data received by said second receiving means; and

    controlling means which, given a command for editing the content data recorded in said program area of said storage medium, either permits or inhibits editing of the recorded content data in accordance with said identifier recorded in said management area of said storage medium.

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