| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical disk device capable of reducing the deterioration of quality of playback or recording by reducing the deterioration of a liquid crystal element. <P>SOLUTION: During focus servo before the start of an access operation during starting or focus servo during a temporary playback stop, a liquid crystal element 5 is driven by a driving signal smaller than that during the access operation or reproduction. <P>COPYRIGHT: (C)2007,JPO&INPIT |
