About: http://webisa.webdatacommons.org/277443947

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	In one embodiment of the present invention, such as a retrofit embodiment, the relay 54 is connected to the existing wiring within the monitored sector (i.e. apartment 12a) of an existing, hard-wired nurse call system.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com