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Increasing efficiency of wireless power transfer

  • US 8,803,476 B2
  • Filed: 04/03/2013
  • Issued: 08/12/2014
  • Est. Priority Date: 02/06/2009
  • Status: Active Grant
First Claim
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1. A method comprising:

  • initiating a wireless power transfer from a charging station to a portable electronic device via a wireless power link;

    receiving at least one parameter regarding the portable electronic device at the charging station via a wireless communication link in response to initiation of the wireless power transfer, the at least one parameter including a power parameter that specifies a magnitude of power requested by the portable electronic device; and

    increasing efficiency of the wireless power transfer based on the at least one parameter, wherein increasing the efficiency of the wireless power transfer includes reducing a magnitude of power that is provided by the charging station with respect to the wireless power transfer to be substantially equal to the magnitude of power requested by the portable electronic device.

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