| 摘要 |
<P>PROBLEM TO BE SOLVED: To utilize contents that belong to different categories, using a single device. <P>SOLUTION: A category node in a node within a tree structure is associated with a T system and a predetermined device (e.g. memory stick). A device node key (DNK1), corresponding to a content associated with a node under the T system and a device node key (DNK2) that correspond to the content associated with a node under the memory stick, are allowed to be handled simultaneously and by the identical device. <P>COPYRIGHT: (C)2007,JPO&INPIT |
