| 摘要 |
PROBLEM TO BE SOLVED: To provide an inductive power receiving circuit which can obtain desired output power without raising a load voltage and also can suppress resonant overrun. SOLUTION: This inductive power receiving circuit 1 which supplies power to a load 7 whose power consumption fluctuates is equipped with a resonant capacitor 3 which forms a resonant circuit resonating with the frequency of an inductive line together with a power receiving coil 2, a saturable reactor 4 where a coil winding 15 having a core member for forming an annular magnetic path and having an input end and an output end is wound to interlink the annular magnetic path and its input end is connected in parallel with the power receiving coil 2, and the input end and the output end have different numbers of turns of coils, a rectifying circuit 5 which is connected to the output end of the saturable reactor 4 so as to supply the load 7 with power, and a smoothing capacitor 6 which is connected in parallel with the rectifying circuit 5 and the load 7. The resonant circuit 3 is connected in parallel with the input side or the output side of the saturable reactor 4. COPYRIGHT: (C)2005,JPO&NCIPI
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