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RESONANCE COUPLING WIRELESS POWER TRANSFER RECEIVER AND TRANSMITTER
RESONANCE COUPLING WIRELESS POWER TRANSFER RECEIVER AND TRANSMITTER
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机译:共振耦合无线功率传输接收器和发射器
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摘要
Provided are a wireless power transmission receiver and a system including the same, particularly to a receiver and transmitter transmitting power from one transmitter to a plurality of receivers at the same time by wireless. According to the present invention, the wireless power receiver comprises a receiving coil unit receiving power from a transmitter by a resonance coupling method; and a power receiving unit receiving power from the receiving coil unit to provide the power to a load resistor, wherein an input impedance of the power receiving unit is adjusted according to power consumed by a plurality of receivers. Therefore, power transmission efficiency of the wireless power receiver and transmitter can be improved.
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