Proximity transmitters for wireless power charging systems

  • US 10,063,105 B2
  • Filed: 12/24/2015
  • Issued: 08/28/2018
  • Est. Priority Date: 07/11/2013
  • Status: Active Grant
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First Claim
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1. A wireless charging proximity transmitter comprising:

  • an array of one or more antennas; and

    a surface layer proximate to the array of antennas,wherein;

    the proximity transmitter is configured to transmit power waves to a receiver in response to a device associated with the receiver being within a proximity threshold of the surface layer of the proximity transmitter; and

    the power waves converge to form a constructive interference pattern within about twelve inches of the surface layer of the proximity transmitter.

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