About: http://webisa.webdatacommons.org/371679651

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	FIG. 7 is a graph showing a low-speed reverse direction PWM drive signal and the detection signal;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com