| 摘要 |
PROBLEM TO BE SOLVED: To secure drive access to a medium based on a medium identification number. SOLUTION: A method (400) for securing (rights setting, protection) accessing to a data medium, including recording (300) a unique identification number assigned to individual medium at least in a part of a data library, and instructing (404, 405) at least one selected data transfer element in the library to accept a medium having a specific identification number among them. COPYRIGHT: (C)2003,JPO |
