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WAKING UP A WIRELESS POWER TRANSMITTER FROM BEACON MODE

  • US 20120223589A1
  • Filed: 01/17/2012
  • Published: 09/06/2012
  • Est. Priority Date: 03/01/2011
  • Status: Active Grant
First Claim
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1. A wireless power receiver apparatus, comprising:

  • a receive circuit comprising a receive coil, the receive circuit being coupled to a load, the receive circuit being configured to wirelessly receive power from a transmitter device at a first power level to power the load; and

    an adjustment circuit configured to be powered by using the wirelessly received power, the adjustment circuit being further configured to adjust a characteristic of the load using the wirelessly received power for a period of time to cause a detectable change in an operating characteristic of the transmitter device for the period of time.

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