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SYSTEM AND METHOD FOR PROVIDING COMMUNICATIONS IN A WIRELESS POWER SUPPLY

  • US 20120149303A1
  • Filed: 12/06/2011
  • Published: 06/14/2012
  • Est. Priority Date: 12/08/2010
  • Status: Active Grant
First Claim
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1. A remote device configured to wirelessly receive power from a wireless power supply comprising:

  • a principle load operating on electrical power;

    a power receiver configured to wirelessly receive power for said principle load from a wireless power supply; and

    a communications transmitter for sending communication to the wireless power supply by backscatter modulation, said communication transmitter having a communication load and being configured to generate communications by selectively apply said communication load to selectively vary an impedance of the remote device, said communication transmitter configured to preface each communication with a framing pulse, said framing pulse being a signal that does not correspond to any legitimate communication signal.

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