About: http://webisa.webdatacommons.org/137803237

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 embodiment shown in FIG. 7 is a communications interface circuit 22 for RS-422 communications protocol; appropriate circuits also may be used for RS-232, ethernet or other protocols.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com