About: http://webisa.webdatacommons.org/421233892

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In an embodiment where the coil is a pcb coil, the center of the pcb may have a cut out area such as a circular hole or aperture where the magnet may be placed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.de