| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a power supplying apparatus, along with a power receiving device and a wireless power supplying system, capable of obtaining frequency characteristics of wider bandwidth in magnetic field resonance type. <P>SOLUTION: The power supplying apparatus 20 includes: a power generator 22 adapted to generate power to be supplied; a power supplying element 211 adapted to receive the power generated by and supplied thereto from the power generator 22; and a plurality of resonance elements 212-1, 212-2 disposed at multiple stages and adapted to couple to each other through a magnetic field resonance relationship; one of the resonance elements 212-1 being coupled to the power supplying element 211 through electromagnetic induction. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
