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METHODS AND APPARATUSES FOR WIRELESS POWER TRANSFER

  • US 20120274154A1
  • Filed: 04/27/2011
  • Published: 11/01/2012
  • Est. Priority Date: 04/27/2011
  • Status: Abandoned Application
First Claim
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1. A method for providing wireless power from a power providing device to a portable electronic device, the method comprising:

  • transmitting a beacon signal from the power providing device;

    sensing the beacon signal at an antenna of the portable electronic device;

    sending a sync signal from the antenna of the portable electronic device, the sync signal generated using energy from the beacon signal;

    sensing the sync signal at the power providing device;

    determining transmission parameters for forming a beam having a propagation path directed toward the portable electronic device as function of measured parameters of the sync signal as received by the power providing device; and

    transmitting a wireless power signal from the power providing device as a beam using the transmission parameters, the wireless power signal for providing operating power to the portable electronic device.

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