US Patent 10063085 Power supplying apparatus and wireless power transmitter

A power supplying apparatus includes a power supply and an alternating current (AC) power generator. The power supply generates a direct current (DC) power. The alternating current (AC) power generator comprises an inductor configured to generate an AC power based on the DC power, wherein the AC power comprises a first AC power with a first AC voltage and a second AC power with a second AC voltage, and the first AC voltage and the second AC voltage have phases opposite to each other.