| 摘要 |
<P>PROBLEM TO BE SOLVED: To record a data stream, to which a copy control signal is added, in a copyright-protected form on a recording medium that does not have copyright-protection function. <P>SOLUTION: The data stream, to which the copy control signal is added, is recorded on the recording medium 9 having no copyright protection function, and the file management information, concerning the data stream, is recorded separately on a recording medium 10 having the copyright protection function. <P>COPYRIGHT: (C)2007,JPO&INPIT |
