Invention Application
US20150137746A1 WIRELESS POWER TRANSFER DEVICE AND WIRELESS CHARGING SYSTEM HAVING SAME 有权
无线电力传输装置和无线充电系统

WIRELESS POWER TRANSFER DEVICE AND WIRELESS CHARGING SYSTEM HAVING SAME
Abstract:
The present specification provides a wireless power transfer device formed to transmit power to a wireless power reception device, and a power transfer unit in the wireless power transfer device comprises: a first coil formed to generate a magnetic field so as to transmit power in an induction scheme; and a second coil wound around the first coil and formed to generate a magnetic field vibrating at a resonance frequency so as to transmit power in a resonance scheme.
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