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Two axis angular rate and specific force sensor utilizing vibrating accelerometers

  • US 4,512,192 A
  • Filed: 09/02/1983
  • Issued: 04/23/1985
  • Est. Priority Date: 09/02/1983
  • Status: Expired due to Fees
First Claim
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1. An angular rate measuring apparatus comprising:

  • a first accelerometer having a first force sensing axis;

    a second accelerometer having a second force sensing axis;

    vibrating means for vibrating said first and second accelerometers along a vibration axis;

    alignment means for securing said first accelerometer to said vibrating means such that said first force sensing axis is normal to said vibration axis and for securing said second accelerometer to said vibrating means such that said second force sensing axis is normal to both said vibration axis and said first force sensing axis; and

    processing means operatively connected to said first and second accelerometers for generating a first rate signal from the output signal of said first accelerometer representing the angular rotation of said first accelerometer about a first axis parallel to said second accelerometer force sensing axis and for generating a second rate signal from the output signal of said second accelerometer representing the rotation of said second accelerometer about a second axis parallel to said first accelerometer force sensing axis.

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