About: http://webisa.webdatacommons.org/132570143

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	The pen or other transducers receive a powering or charging and synchronizing or ???Sync??? signal via a set of loops within the surface grid.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com