Charge confirmation device, power receiving device, wireless power supply system

摘要

A charge confirmation device that performs control of a power feeding side, and a system of a plurality of power receiving devices that perform charging in accordance with wireless power feeding, wherein confirming that charging of the power receiving devices is complete can be efficiently carried out. The charge confirmation device performs a process of transmitting a charge operation setting signal to the plurality of power receiving devices in accordance with the start of wireless power feeding, and a process of waiting without performing transmission to the power receiving devices, and confirming whether the charge completion signal has been received from all the power receiving devices. The power receiving device shifts to a sleep state after receiving the charge operation setting signal, wakes up after a prescribed time has elapsed, performs the process of confirming charging of the power storage unit is complete, and transmits the charge completion signal to the charge confirmation device once charging is complete.