| 摘要 |
PROBLEM TO BE SOLVED: To manage individually disks or contents for each user with simple constitution without forcing a user to perform complex operation. SOLUTION: Titles of individual optical disks are registered in a hard disk 14 in association with user names at the time of insertion of an optical disk, when user names are recognized, only titles of individual optical disks associated with user names are read out from the hard disk 14, titles of read out individual optical disks are displayed on a display 3 as a disk title list display screen 60. Thereby, as titles of optical disks are registered in association with user names at the time of initial insertion of optical disks, there is no such possibility at all that titles of optical disks are seen by other persons as in the case of that the title is registered again in association with the user name after inserting the optical disk once, the optical disks can be managed individually for each user. COPYRIGHT: (C)2006,JPO&NCIPI
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