| 摘要 |
A system having a simple structure and highly precise data reproduction in which a disk tray is attached to a tray ascending/descending unit driven to be ascended or descended within a mechanical deck such that it can be loaded or unloaded in a horizontal direction, and one motor-type loading drive mechanism installed in the tray ascending/descending unit performs a pulling-in drive of the disk tray, a descending drive of the tray ascending/descending unit, a ascending drive of the tray ascending/descending unit and a pulling-out drive of the disk tray, respectively.
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