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Vibrator, vibration gyro using the vibrator, and electronic device using the vibration gyro

  • US 6,666,096 B2
  • Filed: 10/02/2002
  • Issued: 12/23/2003
  • Est. Priority Date: 10/02/2001
  • Status: Expired due to Fees
First Claim
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1. A vibrator, comprising:

  • a vibrating member including a piezoelectric body and having a length direction and a width direction;

    a drive electrode disposed on the surface of said vibrating member and extending along the length direction of said vibrating member; and

    two detection electrodes each disposed adjacent to said drive electrode;

    wherein said drive electrode and each of said detection electrodes have an interdigital electrode portion defined by mutually opposed comb electrodes which are arranged such that the direction in which the teeth thereof extend is substantially perpendicular to the length direction of said vibrating member.

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