| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an actuator to release the catch of a stationary component and a mobile component and the stop of operation. <P>SOLUTION: The actuator device is one provided with a piezoelectric actuator driving circuit capable of selecting either a first driving state driving a piezoelectric actuator 33 or a second driving state generating stronger driving force in the piezoelectric actuator 33 than the first driving state. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
