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WIRELESS POWER TRANSMISSION APPARATUS AND METHOD THEREFOR

  • US 20160065005A1
  • Filed: 04/17/2014
  • Published: 03/03/2016
  • Est. Priority Date: 04/17/2013
  • Status: Active Grant
First Claim
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1. A wireless power transmitter comprising:

  • a power transmitting module configured to transmit wireless power using one of a magnetic field of first frequency band and a magnetic field of second frequency band that is different from the first frequency band;

    a first communication module;

    a second communication module; and

    a controller configured to;

    transmit a first magnetic field signal of the first frequency band through the power transmitting module;

    detect a first response signal regarding the first magnetic field signal through the first communication module;

    in response to receipt of the first response signal, search for a first wireless power receiver that transmits and receives wireless power using the first frequency band;

    transmit the second magnetic field signal through the power transmitting module;

    detect a second response signal regarding the second magnetic field signal through the second communication module; and

    in response to receipt of the second response signal, search for a second wireless power receiver that transmits and receives wireless power using the second frequency band.

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