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SYSTEMS AND METHODS FOR DETERMINING ACCELERATION BASED ON PHASE DEMODULATION OF AN ELECTRICAL SIGNAL

  • US 20150301077A1
  • Filed: 04/15/2015
  • Published: 10/22/2015
  • Est. Priority Date: 04/16/2014
  • Status: Active Grant
First Claim
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1. An apparatus for measuring acceleration, comprising:

  • a spring-mounted mass;

    a positional encoder configured to measure a position of the spring-mounted mass and output one or more signals indicative of a sine and a cosine of the position;

    a driver to set and maintain an oscillation of the spring-mounted mass; and

    a decoder configured to process the one or more signals to calculate an acceleration of the spring-mounted mass.

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