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Angular rate sensor

  • US 5,014,554 A
  • Filed: 04/13/1990
  • Issued: 05/14/1991
  • Est. Priority Date: 04/14/1989
  • Status: Expired due to Fees
First Claim
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1. An angular rate sensor comprising a tuning fork structure composed of vibratory components which include:

  • a pair of parallel piezoelectric drive elements;

    a pair of parallel piezoelectric detection elements;

    said drive elements and said detection elements being joined together into a tuning fork configuration, said drive and detection elements lying in respective orthogonal planes;

    a plurality of leads electrically connected to said drive and detection elements; and

    a plurality of lead terminals electrically connected to said leads, respectively;

    said vibratory components being covered with a coating which is of a material having a lower elasticity than the elasticities of the vibratory components.

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