About: http://webisa.webdatacommons.org/318535866

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	second input means partially or wholly superposed on said display, said second input means recognizing symbols such as characters drawn on a second area previously registered thereby to produce a second signal;
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com