| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a wireless charging apparatus and system, capable of transmitting power wirelessly without using any cables, and further capable of transmitting power efficiently with a simple configuration without complicating a mechanism regardless of distance from a power reception side. <P>SOLUTION: The wireless charging system includes a wireless charging apparatus 200 including a power transmission device 230 transmitting power for charging, a power receiving device 300 including a power receiving device 310 for receiving power transmitted from the wireless charging apparatus 200 by a magnetic field resonance relationship and charging the received power to a battery, and a relay device 240 for relaying transmission power of the power transmission device 230 in the wireless charging apparatus 200. <P>COPYRIGHT: (C)2011,JPO&INPIT |
