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Vibrators and vibratory gyroscopes

  • US 6,698,292 B2
  • Filed: 03/10/2003
  • Issued: 03/02/2004
  • Est. Priority Date: 03/13/2002
  • Status: Active Grant
First Claim
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1. A vibrator comprising a driving vibration piece, a detection vibration piece and a base portion connecting said driving vibration piece and detection vibration piece,wherein said driving vibration piece is composed of a bending vibration piece comprising a pair of surfaces parallel with each other and a pair of side faces, and said driving vibration piece has a ratio (WD/TD) of a width WD to a thickness TD of not smaller than 1.5 and not larger than 2.4.

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