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DETERMINING CHANGES IN PHYSICAL LOCATION BASED ON THE OBSERVED MAGNETIC FIELD

  • US 20140278225A1
  • Filed: 03/12/2013
  • Published: 09/18/2014
  • Est. Priority Date: 03/12/2013
  • Status: Abandoned Application
First Claim
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1. A method for electronically determining whether an entity has moved, the method comprising:

  • generating a first reading of an observed magnetic field, said first reading being generated by at least one magnetic sensor disposed within an electronic module coupled with the entity;

    generating a second reading of the observed magnetic field, said second reading being generated by said at least one magnetic sensor;

    electronically processing the first reading and the second reading in order to detect whether a difference exists between the first reading and the second reading; and

    generating a signal if a difference is detected.

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