About: http://webisa.webdatacommons.org/323018047

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	The embodiment shown in FIG. 2 is an example of an optic system showing how the attenuating elements may, if desired, be controlled with reference to the power of the output signal.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com