About: http://webisa.webdatacommons.org/200559038

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	These types of switches are well known to those skilled in the art, and are widely used in a variety of products, such as cell phones.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com