| 摘要 |
PROBLEM TO BE SOLVED: To provide an auto-changer device capable of housing information recording disks such as the optical disks of different type in a mixed state, quickly recording/reproducing the information recording disks, and quickly correcting damage. SOLUTION: This auto-changer device is provided for performing recording/ reproducing by a recording/reproducing means based on the disk information of an information recording/reproducing disk. As for the disk information, same information is recorded in plural information storing means.
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