| 摘要 |
PROBLEM TO BE SOLVED: To make it easy to set a communication parameter at a communication apparatus mounting a WPC.SOLUTION: A power transmission device comprises a power transmission unit by a wireless power supply system and a communication unit by a wireless communication system. The power transmission device supplies power to an opposite power reception device via the power transmission unit by the wireless power supply system, and starts wireless communication with the power reception device by means of the communication unit if a predetermined message from the power reception device was detected via the power transmission unit. |
