About: http://webisa.webdatacommons.org/68325097

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 invention relates particularly to a sensing device for sensing its own orientation relative to a surface when moved or positioned relative to the surface.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au