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SYSTEMS AND METHODS FOR DETECTING INERTIAL PARAMETERS USING A VIBRATORY ACCELEROMETER WITH MULTIPLE DEGREES OF FREEDOM

  • US 20180031603A1
  • Filed: 09/15/2016
  • Published: 02/01/2018
  • Est. Priority Date: 07/27/2016
  • Status: Abandoned Application
First Claim
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1. An inertial device having multiple degrees of freedom for determining an inertial parameter, the inertial device comprising:

  • a first sense mass with a first degree of freedom;

    a second sense mass mechanically coupled to the first sense mass and with a second degree of freedom;

    a first time domain switch coupled to the first sense mass, and a second time domain switch coupled to the second sense mass;

    a drive structure configured to oscillate the first sense mass and the second sense mass in a differential frequency mode, wherein the first time domain switch and the second time domain switch each produce an electrical signal in response to oscillations of the first sense mass and the second sense mass; and

    a processor in signal communication with the first time domain switch and the second time domain switch, and configured to determine an inertial parameter based in part on time intervals produced by the electrical signal.

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