Patent ID: 8064825

Claim:
A power reception control device that is provided in a power reception device that is included in a non-contact power transmission system, the non-contact power transmission system transmitting power from a power transmission device to the power reception device by electromagnetically coupling a primary coil and a secondary coil and transmitting the power to a first load electrically connected to the power reception device, the power reception control device comprising: a load modulation section that modulates a second load, the second load provided in the power reception device; a power supply control section that controls power supply to the first load; and a power-receiving-side control circuit that is provided in the power reception control device and controls the power reception device, the power-receiving-side control circuit supplying power to the first load, and controlling the load modulation section to operate and change the second load to transmit a signal which enables the power transmission device to detect a foreign object during a period from a start of normal power transmission to an end.