There is provided a leakage preventing device of electromagnetic wave for a first resonator to perform wireless power transmission with a second resonator. A first conductor plate is provided on a first side of the first resonator, the first side being an ...

This communication apparatus makes it possible to have a non-contact charging module and a sheet antenna coexist, even in the case where there the non-contact charging module and the sheet antenna in the communication apparatus. The apparatus is provided w...

The arrangement has a coil (10) i.e. pneumatic winding, spatially arranged between other two coils (16, 20). A fixing device (30) fixes the three coils in a concentric direction relative to each other for inductive energy transfer. A power supply device is...