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METHODS AND SYSTEMS FOR ALIGNING A MOBILE DEVICE TO A VEHICLE

  • US 20150369836A1
  • Filed: 06/24/2015
  • Published: 12/24/2015
  • Est. Priority Date: 06/24/2014
  • Status: Active Grant
First Claim
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1. A method of determining vehicle acceleration information, the method comprising:

  • obtaining a plurality of movement measurements from a mobile device in a vehicle;

    determining a plurality of gravity vectors, each of the plurality of gravity vectors associated with at least two of the plurality of movement measurements;

    removing a movement measurement from the plurality of movement measurements using the plurality of gravity vectors to provide a set of remaining movement measurements; and

    determining an acceleration measurement for the vehicle using the remaining movement measurements.

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