About: http://webisa.webdatacommons.org/371782634

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	Apparatus as recited in claim including means for altering the second and third video signals to adjust the dimensions of the position markers. 22.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com