About: http://webisa.webdatacommons.org/315657441

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	Semiconductor devices such as Thyristors and Triacs are currently being used to generate the synchronized signal.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com