| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a wireless power charging system performing non-contact power transmission while protecting a charger and a battery pack from a magnetic field by means of the shield member and the eddy current reduction member of a primary core and a secondary core. <P>SOLUTION: A wireless power transmission device 10 performing wireless transmission of a power signal in a primary core 14 through a resonance converter 13 under control of a transmission control unit 12 is provided. A wireless power reception device 20 which charges a battery cell 21 with power under control of a reception control unit 22 by receiving the wireless power signal transmitted from the primary core 14 of the wireless power transmission device 10 through a secondary core 24 is provided. The wireless power reception device 20 is provided with a reception shield panel 25 and an eddy current reduction member 26 on the secondary core 24 side, and a magnetic field generated from the secondary core 24 is shielded. <P>COPYRIGHT: (C)2013,JPO&INPIT |
