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WIRELESS POWER SYSTEM COMPRISING POWER TRANSMITTER AND POWER RECEIVER AND METHOD FOR RECEIVING AND TRANSMITTING POWER OF THE APPARATUSES

  • US 20120306284A1
  • Filed: 05/14/2012
  • Published: 12/06/2012
  • Est. Priority Date: 05/13/2011
  • Status: Active Grant
First Claim
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1. A transmitter in a wireless power transmission system, the transmitter comprising:

  • a Transmission (Tx) power converter for converting a Direct Current (DC) voltage into a first Alternating Current (AC) voltage, and converting the converted first AC voltage into a second AC voltage by amplifying the converted first AC voltage;

    a Tx matching circuit for matching an impedance thereof with that of a receiver for receiving the second AC voltage to transmit the second AC voltage;

    a Tx resonator for resonating the second AC voltage into resonant waves to transmit the second AC voltage to the receiver; and

    a Tx controller for determining an amplification rate of the first AC voltage and controlling the Tx power converter to convert the first AC voltage into the second AC voltage according to the determined amplification rate.

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