About: http://webisa.webdatacommons.org/250628985

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 circuit such as shown in FIG. 8 comprises a local oscillator 18 which supplies an alternating signal at its output which is applied to the input of an auxiliary deflector means 19 and to one of the inputs of a synchronous detector 20.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com