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Z-axis vibration gyroscope

  • US 6,823,733 B2
  • Filed: 11/04/2002
  • Issued: 11/30/2004
  • Est. Priority Date: 11/04/2002
  • Status: Expired due to Term
First Claim
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1. An angular velocity sensor comprising:

  • a sensing element;

    first and second drive elements configured to be driven at a predetermined frequency, each of said first and second drive elements defining at least one vibrational node, the first and second drive elements being coupled to the sensing element at its respective vibrational node; and

    wherein the drive element oscillates about an axis and comprises an inertial mass configured to generate Coriolis forces which are measured by the sensor, and wherein the sensor is vibrationally decoupled from the sensing element when the drive elements are driven at the predetermined frequency.

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