About: http://webisa.webdatacommons.org/327085580

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 method of claim 20, wherein step b.) includes utilizing a signal including a pulse train, and wherein at least some of the pulses in the pulse train have a variable duty cycle to control the rate of change.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com