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SYSTEM AND METHOD FOR POWER OUTPUT CONTROL IN WIRELESS POWER TRANSFER SYSTEMS

  • US 20140054970A1
  • Filed: 01/14/2013
  • Published: 02/27/2014
  • Est. Priority Date: 08/24/2012
  • Status: Active Grant
First Claim
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1. A circuit for a wireless power receiver device, the circuit comprising:

  • an inductive element configured to receive wireless power from a magnetic field associated with a wireless power transmitter device, the received wireless power inducing an alternating current in the inductive element;

    an output interface electrically coupled to the inductive element and configured to provide current to a load; and

    a controller configured to maintain the alternating current in the inductive element substantially constant as a voltage across the load varies.

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