POWER-RECEIVING-DEVICE AND POWER-TRANSMITTING-DEVICE BASED ON WIRELESS POWER FEEDING SYSTEM

A power-receiving device including: a power-receiving antenna for receiving electromagnetic waves; a rectifier functionally connected to the power-receiving antenna, for converting the electromagnetic waves into DC voltages; a first power storage device functionally connected to the rectifier, for storing the DC voltages therein; a second power storage device functionally connected to the first power storage device, for storing the DC voltages therein; a device functionally connected to the second power storage device; a first switch for controlling distribution of electric power between the rectifier and the first power storage device; a second switch for controlling distribution of electric power between the first power storage device and the second power storage device; a third switch for controlling distribution of electric power between the first power storage device and the device; a fourth switch for controlling distribution of electric power between the second power storage device and the device; and a controller.