There are provided an electric power feed apparatus, an electric power feed system, and an electronic apparatus which are capable of performing transmission efficiency control corresponding to positions of apparatuses when electric power transmission is pe...

A contactless charging module, a contactless charging device, and a method of manufacturing the contactless charging module, wherein a magnetic sheet can be prevented from being damaged and giving an adverse effect on power transmission characteristic, by ...

Disclosed herein are a power transmitting coil used to wirelessly transmit a power and a wireless power transmitting apparatus wirelessly transmitting a power using the power transmitting coil. The power transmitting coil includes: at least one first coil ...

Provided are a core assembly used for a wireless power transmitting device (100) and a wireless power transmitting device having the same. The core assembly for the wireless power transmitting device, includes: a main coil (111) disposed at a first level; ...

The present invention relates to a coil arrangement for use in an inductive charging device, comprising a primary coil unit having a first number of primary windings arranged in a primary plane and secondary coil unit having a second number of coil winding...