WIRELESS POWER TRANSMISSION SYSTEM

摘要

A wireless power transmission system for wirelessly transmitting electric power from a power transmitting device to a power receiving device using magnetic field coupling between a power transmitting coil and a power receiving coil is provided. The power transmitting device includes a power transmitting circuit generating an electric signal for transmitting electric power, first and second power transmitting coils compatible with first and second transmission methods, respectively, a first magnetic substance on which the first power transmitting coil is placed, a second magnetic substance on which the second power transmitting coil is placed, and a power feeding surface on which the power receiving device is to be placed. First and second attachment surfaces of the first and second magnetic substances, respectively, are located on the lower side of the power feeding surface and arranged on a same plane surface parallel to the power feeding surface.

主权项

1. A wireless power transmission system comprising:
a power transmitting device including a power transmitting coil; and a power receiving device including a power receiving coil, wherein using magnetic field coupling between the power transmitting coil and the power receiving coil, electric power is wirelessly transmitted from the power transmitting device to the power receiving device, wherein the power transmitting device includes a power transmitting circuit configured to generate an electric signal used for transmitting electric power, a first power transmitting coil compatible with a first transmission method, a second power transmitting coil compatible with a second transmission method, a first magnetic substance on which the first power transmitting coil is placed, a second magnetic substance on which the second power transmitting coil is placed, and a power feeding surface on which the power receiving device is to be placed, and wherein the first magnetic substance includes a first attachment surface on which the first power transmitting coil is placed, the second magnetic substance includes a second attachment surface on which the second power transmitting coil is placed, and the first attachment surface and the second attachment surface are located on a lower side of the power feeding surface and arranged on a same plane surface parallel to the power feeding surface.