| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical disc apparatus with which reproducing signals having necessary quality are obtained while suppressing deterioration of the recording quality due to a reproducing power. <P>SOLUTION: An optical disc apparatus for recording or reproducing on or from an optical disc, comprises: a laser light source for emitting a laser beam; a drive portion for driving the laser light source; a detection portion for detecting the emission power of the laser beam; and means for focusing the laser beam onto the optical disc, wherein information is reproduced by the reproducing power varied according to a recording power. <P>COPYRIGHT: (C)2010,JPO&INPIT |
