About: http://webisa.webdatacommons.org/97447611

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	A voice output terminal 9 provides the amplified voice signal to an external device, such as a speaker, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com