To provide a power supply device which divides power and information into frequencies allowing simultaneous utilization of them, and can efficiently the control power supply.
There is provided the power supply device, including a power supply section for supplying power to another device which has agreed with power specifications on power supply; a communication section for performing communication with the other device, by dividing the power supplied from the power supply section into frequencies; a power supply control section for comparing the priority with the other device, currently supplying power to decide the other device as a power supply source, when agreement regarding power specifications is executed with the other device and the communication section receives a request of power supply from another device, while the power supply section supplies power to the other device which has entered into agreement and controlling the power supply by the power supply section.
Tetsuo Kanamoto
Koji Hagiwara
Kazuki Matsumoto
Next Patent: POWER SUPPLY APPARATUS, POWER RECEPTION DEVICE AND INFORMATION NOTIFICATION METHOD