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DEVICE ALIGNMENT AND IDENTIFICATION IN INDUCTIVE POWER TRANSFER SYSTEMS

  • US 20140015328A1
  • Filed: 02/19/2013
  • Published: 01/16/2014
  • Est. Priority Date: 07/16/2012
  • Status: Active Grant
First Claim
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1. A wireless power receiver comprising:

  • a first inductive element configured to receive wireless power from a first electromagnetic field generated by a wireless power transmitter comprising a second inductive element;

    a power supply configured to supply a current to the first inductive element to generate a second electromagnetic field and induce a current in the second inductive element; and

    a communication receiver configured to receive an indication of a distance between the first inductive element and the second inductive element based on the induced current in the second inductive element.

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