| 摘要 |
Disclosed is a vibrator which comprises: a piezoelectric element modified by applying power thereto; an installation member having the piezoelectric element installed therein; a weight installed in the installation member to be arranged in a lower part of the piezoelectric member; a plurality of elastic members connected to the installation member, and arranged to face each other by changing a displacement direction due to modification of the installation member; and a damper member installed to be fixated in the bottom surface of the weight. The damper member has the thickness arranged inside a space formed by the elastic members when the elastic members normally operate. |
