| 摘要 |
PROBLEM TO BE SOLVED: To provide a power supply system and a communication system that are capable of selecting an optimal mode depending on a communication mode and a power supply mode between a main body apparatus and an external apparatus.SOLUTION: A power supply system performs first communication with a first external apparatus (S5), performs cooperative operation while supplementarily supplying power to the first external apparatus (S11, S13) if the first communication is established, performs second communication different from the first communication with a second external apparatus (S27), and fully supplies power to the second external apparatus and performs cooperative operation (S29, S31) if the second communication is established. |
