Patent ID: 7770450
Filing Date: 2010-08-10
Classification: G01C,H03H

Abstract:
1. A tuning bar vibrator comprising: a meander-shaped vibrating body having a first principal surface and a second principal surface; two driving electrodes extending from a first end side of the first principal surface of the vibrating body in a longitudinal direction thereof to a middle portion of the first principal surface of the vibrating body, the two driving electrodes being separated in a width direction of the vibrating body; a sensing electrode that extending from a second end side of the first principal surface of the vibrating body in the longitudinal direction thereof to the middle portion of the first principal surface; a metal film on the second principal surface of the vibrating body; and a support portion located at a portion of the vibrating body corresponding to a node when the vibrating body bends and vibrates, and that supports the vibrating body.