Device power supply system

A device power supply system that is applied to a building including a recessed space that is formed to be recessed with respect to a wall surface of a living space and is opened toward the living space and is for supplying electric power to a device, the device power supply system comprising:

• a device arrangement portion that is provided in the recessed space and on which the device is to be disposed;
• a power transmitter configured to transmit electric power to be supplied to the device disposed on the device arrangement portion as microwaves, wherein the power transmitter is disposed on a peripheral portion of the recessed space or at an inner side of the peripheral portion, and a transmission direction of the microwaves is set to a direction intersecting a depth direction of the recessed space;
• and
• a power receiver disposed on the peripheral portion of the recessed space or at the inner side of the peripheral portion, and configured to receive microwaves transmitted from the power transmitter, wherein
• the power receiver has a function of converting the microwaves which are received into electric power and supplying the electric power to the device,
• the power transmitter and the power receiver are disposed to face each other in an upper-lower direction with the power transmitter as an upper side and the power receiver as a lower side,
• an upper surface of the power receiver serves as the device arrangement portion on which the device is placed, and
• the power receiver includes a power supplier configured to supply electric power to the device placed on the upper surface by non-contact power supply.