This application discloses a wireless charging coil winding method, an electronic device, and a communication system. In the wireless charging coil winding method, based on specifications (for example, a coil thickness and a coil winding width) of a coil t...

Various embodiments of the disclosure relates to an electronic device to which a wireless charging system is applied, the electronic device includes a battery, a charging circuit, and a circuit board configured to be electrically connected to the charging ...

A power transmitting unit-side resonance circuit including a resonance capacitor (Cr) connected in series to a power transmitting coil (Lp) and a power receiving unit-side resonance circuit including a resonance capacitor (Crs) connected in series to a pow...

A two- or three-dimensional cubic or rectangular magnetic field production unit comprises at least two orthogonal windings comprising at least two parallel and opposed windings (1-4) which overlap at edge regions and are separated by a given amount (d2) wi...