About: http://webisa.webdatacommons.org/268986534

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	In some embodiments, the identification circuit sends information, including saved data and measured voltage, to the controls by changing the current load, preferably at a rate of about 100 to about 1000 Hz.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com