Adaptive power control for wireless charging of devices

  • US 8,823,319 B2
  • Filed: 06/14/2013
  • Issued: 09/02/2014
  • Est. Priority Date: 01/22/2009
  • Status: Active Grant
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First Claim
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1. A wireless power transmitter, comprising:

  • a transmit antenna configured to generate an electromagnetic field having a region for wirelessly transferring power from the transmit antenna to a plurality of receiver devices; and

    a controller operably coupled to the transmit antenna, the controller being configured to;

    determine a power allocation for a particular one of the plurality of receiver devices which are allocated percentages of the power therebetween and disposed within the region, andadjust the power allocation based at least in part on a power requirement received from the particular one of the plurality of receiver devices.

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