NON-CONTACT POWER SUPPLY DEVICE

A power transmission device for a non-contact power supply device has a transmission coil and a power supply circuit that supplies, to the transmission coil AC power having a switching frequency at which the transmission coil does not resonate. In addition, a power reception device for the non-contact power supply device has: a resonance circuit that has a reception coil and a resonance capacitor resonating in parallel and a first coil connected in series or parallel to the reception coil and a coil connected in series to the reception coil