| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an induction heating cooking appliance in which switching loss and capacity of switching elements are made not to be large, generated heat of the switching elements is low, and damping of oscillating current is suppressed. <P>SOLUTION: A control circuit 12 alternately switches and actuates a set of a first and second switching elements 4, 5, and a set of a third and fourth switching elements 6, 7. In switching, the second and fourth switching elements 5, 7 are controllably actuated so that a heating coil 8 and a resonance capacitor 9 connected in series make a closed loop, thereby causing the oscillating current of a resonance frequency determined by the inductance of the heating coil 8 and the capacity of the resonance capacitor 9 to flow. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
