| 摘要 |
<p>An optical recording medium reproduction apparatus reproduces information while rotating an optical recording medium at a constant linear velocity and can efficiently suppress deterioration of reproduction. When performing reproduction at a first linear speed, the radiation intensity of the laser beam is set to a first power. When performing reproduction at a second linear velocity slower than the first linear velocity, the radiation intensity of the laser beam is set to a second power lower than the first power. Thus, thermal energy received by the optical recording medium from the laser beam per unit time is averaged with respect to the reproduction linear velocity and accordingly, it is possible to efficiently suppress deterioration of reproduction.</p> |
