Systems and methods for a portable spare wheel and tire inductive charging device are provided. A portable spare wheel and tire inductive charging device includes a receiving coil that can be coupled to a transmitting coil of an inductive charging source t...

Provided is an antenna coil capable of forming a magnetic field in a desired direction in an efficient manner, while suppressing leakage of magnetic flux into a space other than the space in which the magnetic field is formed. The antenna coil includes a m...