Sheet conveying apparatus , a control method of the sheet conveying apparatus , an image reading apparatus , the driving method of the image reading apparatus .

摘要

PROBLEM TO BE SOLVED: To provide an electronic device that allows use of a power supply having smaller rated power and efficiently achieves the reduction in costs and size of the power supply.;SOLUTION: The electronic device includes: a power storage element 303 for storing power of a power supply supplied from the outside; a plurality of loads 305 supplied with the power stored in the power storage element 303; and a control means 304 for selectively switching whether or not to supply power to each of the plurality of loads 305 on the basis of a voltage of the power storage element 303.;COPYRIGHT: (C)2011,JPO&INPIT