ELECTRONIC INSTRUMENT, PRINTER, COMPUTER, VIDEO SERVER, DISPLAYING DEVICE AND GAME MACHINE

摘要

PROBLEM TO BE SOLVED: To solve the problem that a main power source loaded in a printer of an inkjet system becomes large consequent on the fact that a printing resolution is made highly fine and a printing speed is made high.

SOLUTION: An electronic instrument loading a hard disk driving part is loaded with (a) the main power source which is connected to a commercial power supply and supplies a first power to the hard disk driving part, (b) a sub-power source of a charging type which supplies a second power that compensates for the first power to the hard disk driving part when the hard disk driving part starts, and (c) a switch part which is located on a feeding line of the power and electrically connects the sub-power source to the feeding line of the power when the hard disk driving part starts.

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