Patent ID: 8248028
Filing Date: 2012-08-21
Classification: H02J

Abstract:
1. A device housing a battery and charging pad comprising: a charging pad provided with a power supply coil; and a device housing a battery containing an induction coil that magnetically couples with the power supply coil, wherein the internal battery in the device housing a battery is charged with power transmitted from the power supply coil to the induction coil, wherein the charging pad comprises: wherein the position detection controller comprises: wherein the device housing a battery comprises: wherein when the position detection controller issues position detection signals, the parallel capacitor is connected to the induction coil by the switching circuit; when power is transmitted from the power supply coil to the induction coil, the parallel capacitor is disconnected from the induction coil, and induction coil AC is output to the rectifying circuit through the series capacitor.