A wireless charging device (100, 200, 300) is used to be connected with a rechargeable battery or an apparatus with a rechargeable battery. The device includes a main body part (10, 20, 30), a charging circuit part (11, 21, 31) connected with the main body...

In order to provide contactless power-feed equipment that can avoid excessive energy consumption upon switching, a primary side includes a DC power-supply device 11, a power-feed device 12, and a power-feed unit 13 and a secondary side includes a power-rec...

A non-cantact power transmission apparatus accurately determines the kind of object that is placed on the charging deck of the non-contact power transmission apparatus, and, only when a non-contact power receiving apparatus is placed on the power transmiss...

The invention provides a device and method for wireless transmission of energy. An electromagnetic field used for transmitting energy is generated using a resonator system comprising a plurality of weakly coupled resonators, the resonator system having a p...

Provided is a power supply system which makes it possible to stably supply power regardless of changes in placement of electrodes. The power supply system for supplying power to a load (24). The fixed body (10) includes: a first power-transmitting electrod...

A non-contact power transmission apparatus accurately determines the kind of object that is placed on the charging deck of the non-contact power transmission apparatus, and, only when a non-contact power receiving apparatus is placed on the power transmiss...

An aspect of the solution according to an embodiment of the present invention proposes an electronic system (100a, 100b, 400a, 400b) including a first electronic circuit (105a) and a second electronic circuit (105a'). The electronic system further includes...

A non-contact feeder system includes a plurality of conductors 11-14 arranged approximately parallel to a direction of movement of an electrical load 60 and one or more AC power supplies 21, 22 for supplying AC currents to the conductors. A current is indu...

An elongated strap (21) suitable for carrying a portable electronic apparatus (20) around the neck or wrist of the user, comprising an inductive coupler (23) for receiving current and conductive current transfer means (501, 502) for leading current to the ...