About: http://webisa.webdatacommons.org/59755684

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 transmitter generates a pulse of ultrasonic energy through a hole in the center of the disk that illuminates an object of interest, such as a body that is to be imaged.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk