The charging circuit (2) has resonance switching circuits having receipt coils to receive magnetic alternating fields. The electrical components are connected with terminals of the receipt coils to define a resonance frequency of resonance switching circui...

A holding device for a mobile appliance (10) for insertion into a positionally-fixed receptacle box/trough and with temporary fixing of the device to the receptacle box. A mounting surface (2) is formed from a carrier plate (2') on which the mobile applian...