About: http://webisa.webdatacommons.org/443543817

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	SUMMARY OF THE INVENTION [0013] The invention is a method and apparatus for efficiently converting a direct current (DC) signal into an alternating current (AC) signal for driving a load such as a discharge lamp.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com