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N-USE AUTOMATIC CALIBRATION METHODOLOGY FOR SENSORS IN MOBILE DEVICES

  • US 20130197845A1
  • Filed: 10/12/2012
  • Published: 08/01/2013
  • Est. Priority Date: 01/26/2012
  • Status: Active Grant
First Claim
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1. A method of calibrating an accelerometer in a portable device comprising:

  • receiving data from the accelerometer;

    providing accelerometer samples from the data based upon one or more selection rules that adaptively selects data that satisfy certain criteria;

    fitting the accelerometer samples to a mathematical model; and

    providing a bias of the accelerometer based upon a center of the mathematical model.

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