About: http://webisa.webdatacommons.org/242285918

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 other aspects, the control means advantageously includes a computer, such as a personal computer, and may generate a second digital control signal indicative of a second voltage waveform composed of at least one constant voltage.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com