A wireless feeding system comprising: a feeding device; and a power receiving device adapted to receive power transmitted from said feeding device; wherein said feeding device includes a power generating section adapted to generate the power to be fed, a matching circuit connected to the power generating section and adapted to match the impedance, and a resonant element adapted to be fed with the power generated by said power generating section, said power receiving device includes a power receiving element adapted to receive the power transmitted from said feeding device, and being adapted to supply power according to the received power to a load, and wherein a power propagation path to said resonant element in said feeding device has a frequency characteristic correcting circuit between said power generating section and said resonant element, wherein said frequency characteristic correcting circuit includes at least one LC resonant circuit adapted for frequency characteristic correction, characterized in that the frequency characteristic correction circuit further comprises an LC resonator adapted for feeding the resonant element, the first one of the at least one LC resonant circuit being inductively coupled to the matching circuit and being inductively coupled either to another LC resonant circuit or to the LC resonator, and the LC resonator being further inductively coupled to the resonant element, wherein when there are more than one LC resonant circuit, the other LC resonant circuits are inductively coupled between the SONY Corporation EP 11 005 582.9 MHP-File: 62663 AR 21.07.2020 first LC resonant circuit and the LC resonator to increase the number of stages. a feeding device; and a power receiving device adapted to receive power transmitted from said feeding device; wherein said feeding device includes a power generating section adapted to generate the power to be fed, a matching circuit connected to the power generating section and adapted to match the impedance, and a resonant element adapted to be fed with the power generated by said power generating section, a power generating section adapted to generate the power to be fed, a matching circuit connected to the power generating section and adapted to match the impedance, and a resonant element adapted to be fed with the power generated by said power generating section, said power receiving device includes a power receiving element adapted to receive the power transmitted from said feeding device, and being adapted to supply power according to the received power to a load, and wherein a power propagation path to said resonant element in said feeding device has a frequency characteristic correcting circuit between said power generating section and said resonant element, wherein said frequency characteristic correcting circuit includes at least one LC resonant circuit adapted for frequency characteristic correction, characterized in that the frequency characteristic correction circuit further comprises an LC resonator adapted for feeding the resonant element, the first one of the at least one LC resonant circuit being inductively coupled to the matching circuit and being inductively coupled either to another LC resonant circuit or to the LC resonator, and the LC resonator being further inductively coupled to the resonant element, wherein when there are more than one LC resonant circuit, the other LC resonant circuits are inductively coupled between the SONY Corporation EP 11 005 582.9 MHP-File: 62663 AR 21.07.2020 first LC resonant circuit and the LC resonator to increase the number of stages.