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WIRELESS POWER TRANSFER SYSTEM HAVING POSITIONING FUNCTION AND POSITIONING DEVICE AND METHOD THEREFOR

  • US 20160204616A1
  • Filed: 01/09/2015
  • Published: 07/14/2016
  • Est. Priority Date: 01/09/2015
  • Status: Active Grant
First Claim
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1. A wireless power transfer system, comprising:

  • a power transmission side for receiving an input voltage, wherein the power transmission side includes;

    a transmission coil; and

    a transmission side controller coupled to the transmission coil, for controlling a power through the transmission coil; and

    a power receiving side, which is movable relatively to the power transmission side, wherein the power receiving side includes;

    a receiving coil for receiving the power from the transmission coil by electromagnetic interaction, to generate an induced voltage;

    a voltage regulator for converting the induced voltage or a rectified voltage generated by rectifying the induced voltage to an output voltage; and

    a receiving side controller coupled to the voltage regulator, for controlling a voltage regulation operation of the voltage regulator;

    wherein when the power receiving side is moved relatively to the power transmission side, the receiving side controller issues an indication signal indicating a variation of the induced voltage.

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