| 摘要 |
To provide an optical disk device wherein information reading/writing of a desired content of a recording medium can be started immediately when its disk tray is re-loaded without removal of the recording medium, the optical disk device comprises a disk tray (2) whereon an optical disk to be loaded is set, a disk detection switch (3) for discriminating whether an optical disk is set or not on the disk tray, a main controller (4) having a function for controlling the optical disk device to read medium information only when a removal of an optical disk loaded on the optical disk device is checked to have been performed just before loading of the optical disk, referring to a logical sequence of a detection signal output from the disk detection switch (3).
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