| 摘要 |
PROBLEM TO BE SOLVED: To make an optical lens cleaner quickly and easily cleanable dust, etc., adhering to an optical lens. SOLUTION: A brush member 19 is provided at the rear side surface peripheral end of a turntable 17. In the reproduction processing of a disk 21, a pickup 21 positioned at an initial position is moved to the brush member 19, and an optical lens 22 is automatically cleaned. Since the brush member 19 removes the dust adhering to the optical lens 22, the light quantity to a photodetector, for example, is not decreased, and a read defect is prevented. Labor including the attachment and detachment to the turntable of a conventional lens cleaner provided with a brush on a part of the disk rear side surface, is eliminated because the brush member 19 is placed at the rear side surface peripheral end of the turntable 17. The brush member 19 of the turntable 17 cleans the dust adhering to the optical lens 22 quickly and easily.
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