PERIPHERAL EQUIPMENT FOR PERSONAL COMPUTER

摘要

PROBLEM TO BE SOLVED: To provide USB connection type peripheral equipment for a personal computer capable of reducing power consumption. SOLUTION: The USB connection type peripheral equipment 10 for a personal computer to be operated when power is supplied from an AC adapter 17 is provided with a power supply signal generating part 12a for outputting a power supply start signal and a power supply stop signal to an AC adapter 17. When waiting for an operation, the power supply signal generating part 12a outputs the power supply stop signal so that waiting power can be supplied from a personal computer 16 side through a USB interface, and when operating, the power supply signal generating part 12a outputs the power supply start signal so that operating power can be supplied from the AC adapter 17 side.