A sensor arrangement for a foreign object detection device for a wireless power transfer system includes a multitude of detection cells, each comprising a sense coil including a winding spirally wound in a plane and having a multitude of turns. A multitude...

A sensor arrangement for a foreign object detection device for a wireless power transfer system includes a multitude of detection cells, each comprising a sense coil (20) including a winding spirally wound in a plane and having a multitude of turns. A mult...

Disclosed herein is an electronic apparatus, including an electric power receiving portion (20) receiving an electric power from a power feeding apparatus (1) by using a magnetic field, and a detecting portion (21) detecting presence or absence of a foreig...

A primary device for inductive power transfer to a secondary device is disclosed. The primary device includes a primary coil, the primary device being configured to (i) operate in a first mode during which the primary coil transfers power through inductive...