| 摘要 |
<P>PROBLEM TO BE SOLVED: To realize both functions of effective allocation of recording capacity and greater emphasis on random accessibility, which has been conflicting with each other in a format of an optical recording medium. <P>SOLUTION: An optical disk magazine 1 which stores a plurality of thin optical disks 10 into the same magazine case 2 houses an optical disk format optical disk 11 for random access which records management information and an optical disk 12 for sequential recording. <P>COPYRIGHT: (C)2008,JPO&INPIT |
