| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image heating device having a power supply circuit for supplying electric power to a heater, which is capable of suppressing the damage of a switch element provided in the power supply circuit, with a simple configuration. <P>SOLUTION: In the image heating device having a switch element drive circuit 45 for switching on and off of first and second switch elements 41 and 43 capable of cutting off the supply of the electric power to the heater 120, on and off signals are transmitted to the first and second switch elements 41 and 43 through delay means comprising a capacitor and a resistor, to prevent the first and second switch elements 41 and 43 from being turned on and off simultaneously. <P>COPYRIGHT: (C)2012,JPO&INPIT |
