About: http://webisa.webdatacommons.org/51638754

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 combination of claim 1 in which each ringing pulse is a damped oscillatory signal having a first waveform alternation of a time duration approximately equal to that of the pulse of light emission producing the ringing pulse.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com