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SYSTEMS AND METHODS FOR FORWARD LINK COMMUNICATION IN WIRELESS POWER SYSTEMS

  • US 20140125275A1
  • Filed: 11/05/2012
  • Published: 05/08/2014
  • Est. Priority Date: 11/05/2012
  • Status: Active Grant
First Claim
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1. A wireless charging device for providing wireless power to a receiving device, the wireless charging device comprising:

  • a primary transmit antenna configured to generate a wireless power field;

    a parasitic antenna configured to selectively adjust a coupling between the primary transmit antenna and the receiving device; and

    a controller configured to control the selective adjustment of the parasitic antenna so as to communicate with the receiving device.

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