APPARATUS FOR WIRELESS POWER TRANSMISSION USING MULTI ANTENNA AND METHOD FOR CONTROLLING THE SAME

  • US 20130057205A1
  • Filed: 09/04/2012
  • Published: 03/07/2013
  • Est. Priority Date: 09/05/2011
  • Status: Active Grant
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First Claim
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1. An apparatus for wireless power transmission, comprising:

  • at least one power transmission antenna for transmitting a wireless power signal in a magnetic resonance manner by using resonant frequencies, the resonant frequencies having different bandwidths from each other;

    a wireless power signal generating module for generating the wireless power signal;

    at least one wireless power converting module for converting a power level of the wireless power signal generated by the wireless power signal generating module, the wireless power converting module having different power level conversion ranges from each other corresponding to the bandwidths of the resonant frequencies of the power transmission antenna;

    a multiplexer matching module for selectively connecting the wireless power converting module to a corresponding power transmission antenna; and

    a control unit for selectively connecting the power transmission antenna and the wireless power converting module according to a required power of a device to be charged to adjust the power level of the wireless power signal.

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