| 摘要 |
A power transmitter including first and second power transmission coils affecting each other has: a first power supply for driving the first power transmission coil; a second power supply for driving the second power transmission coil; and a power transmission control unit for, according to impedance information of the first and second power supplies, controlling at least one of the phase difference between and the intensity ratio between the output signal of the first power transmission coil and the output signal of the second power transmission coil. This makes it possible to transfer power under a desirable condition. |
