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WIRELESS POWER TRANSFER SYSTEM AND WIRELESS POWER TRANSFER METHOD

  • US 20130234530A1
  • Filed: 03/05/2013
  • Published: 09/12/2013
  • Est. Priority Date: 03/07/2012
  • Status: Abandoned Application
First Claim
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1. A wireless power transfer system comprising:

  • a power transmitter including a power transmission resonator composed of a power transmission coil and a resonant capacitance; and

    a power receiver including a power receiving resonator composed of a power receiving coil and a resonant capacitance,thereby transferring power from the power transmitter to the power receiver through an interaction between the power transmission coil and the power receiving coil,wherein the wireless power transfer system further comprises a power transmission auxiliary device including an auxiliary resonator composed of an auxiliary coil and a resonant capacitance,the power transmission auxiliary device and the power transmission device are arranged so as to oppose each other, forming a power receiving space for placing the power receiving coil between the power transmission coil and the auxiliary coil, andpower transfer is performed in the power receiving space while involving a movement of the power receiving coil including at least one of a displacement and a rotation.

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