About: http://webisa.webdatacommons.org/247191923

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	By comparing output of the integrating circuit 37 with a threshold level, the hysteresis comparator 38 determines whether the carrier is present or not.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr