| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an optical disk drive capable of causing it easy to appropriately determine a state of a clamp while suppressing increase of a manufacturing cost or the like.SOLUTION: An optical disk drive comprises: a motor for rotating a clamped optical disk; a reflected light acquiring part for radiating the optical disk with light and acquiring a reflected light from the optical disk; and a clamp state determining part for determining a state of a clamp according to a state of the reflected light and magnitude of a load of rotation.</p> |
