About: http://webisa.webdatacommons.org/448184620

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	One embodiment of the present invention is a system for calculating the orientation of a rod through the use of an optical sensor and one or more accelerometers.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com