DEVICE AND METHOD FOR POWER SOURCE CONTROL FOR COMPUTER SYSTEM

摘要

PURPOSE:To control electric power supplied to a plasma display(PD) to a constant value even if the display rate of the. PDP increases by switching the display brightness of the PDP from high brightness to normal brightness when the electric power supplied to the PDP exceeds a reference value. CONSTITUTION:A power control CPU 306 switches the display brightness of the plasma display unit 37 from the high brightness to the normal brightness when the electric power supplied to the plasma display unit 37 exceeds the reference value to control the electric power supplied to the plasma display unit 37 to the constant value even if the display rate of the plasma display unit 37 increases, and uses excessive electric power obtained by switching the display brightness from the high brightness to the normal brightness to charge the battery.