DIRECT FEEDING APPARATUS FOR IMPEDANCE MATCHING OF WIRELESS POWER TRANSMISSION DEVICE, AND TRANSMITTER AND RECEIVER USING THE SAME

  • US 20120133214A1
  • Filed: 11/25/2011
  • Published: 05/31/2012
  • Est. Priority Date: 11/26/2010
  • Status: Active Grant
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First Claim
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1. A direct feeding apparatus for impedance matching of a wireless power transmission device, comprising:

  • a helical type resonator; and

    a feeding unit configured to directly feed power to a region having a relatively small current value as compared to a center of a conductive line of the resonator.

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