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Tuning bar vibrator and vibrating gyroscope using the same

  • US 7,770,450 B2
  • Filed: 01/16/2009
  • Issued: 08/10/2010
  • Est. Priority Date: 07/21/2006
  • Status: Expired due to Fees
First Claim
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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.

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