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Method and apparatus for enhancing the power efficiency of wireless communication devices

  • US 8,781,434 B2
  • Filed: 03/15/2013
  • Issued: 07/15/2014
  • Est. Priority Date: 09/19/2007
  • Status: Active Grant
First Claim
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1. A wireless device comprising:

  • a transmitter to transmit a signal at a pre-determined frequency;

    an energy receiver configured to receive a signal at the pre-determined frequency including a portion of the signal transmitted from the transmitter, convert the portion of the signal transmitted from the transmitter into power, and provide the power to a component of the wireless device; and

    a control circuit to set a frequency of the energy receiver to the pre-determined frequency,wherein a distance between the transmitter and the energy receiver is fixed.

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