| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical instrument having an electromechanical transducing element capable of being used for lens driving and a buzzer. <P>SOLUTION: A voltage which permits the electromechanical transducing element to be used for lens driving and the buzzer and changes in different frequencies from each other, is applied to the electromechanical transducing element. <P>COPYRIGHT: (C)2004,JPO |
