| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To easily use content, and to prevent the illegal use of content. <P>SOLUTION: This content reading device is configured for using content 141, and provided with an MO device 120, an MPEG2 decoder 130 and an MO medium 140 to which identification information (MSN=123, DSN=456, DSN=789) is respectively applied. AC (allowance information) 142 associated with the content 141 is recorded on the MO medium 140, and the use of the content 141 is controlled based on the AC 142 and the identification information. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
