| 摘要 |
<P>PROBLEM TO BE SOLVED: To immediately discharge residual charge of an X capacitor in a power supply and suppress power consumption of a discharge circuit. <P>SOLUTION: A discharge circuit includes: a filter circuit connected between input lines of an AC power supply; a switch the operation of which is controlled by the filter circuit; and a discharge circuit that discharges voltage of a capacitive element when the switch is on. <P>COPYRIGHT: (C)2012,JPO&INPIT |
