| 摘要 |
An optical disk drive with a defocus-prohibited device comprising: a frame; a cover disposed on the frame; a disk-rotating device disposed at an end of the frame; two guiding rods disposed at sides of the frame respectively and elongated from the end with the disk-rotating device to another end of the frame; a pick-up head capable of moving back and forth on the two guiding rods, and reading an optical disk driven by the disk-rotating device; and at least one flexible member being disposed between the pick-up head and the cover for providing a force on the pick-up head in advance.
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