| 摘要 |
PROBLEM TO BE SOLVED: To provide a power supply apparatus or the like that supplies power through an USB interface regardless of the operation of an apparatus body having a power supply function based on USB standard.SOLUTION: The power supply apparatus turns on/off the power to be supplied to a USB port separately from turning on/off the main power to the apparatus. The power supply apparatus supplies the power to be supplied to the USB port separately from the main power to be supplied to the main circuit of the apparatus. |
