<http://webisa.webdatacommons.org/277103432>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freepatentsonline.com> .
<http://webisa.webdatacommons.org/277103432>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/277103432>	<http://www.w3.org/ns/prov#value>	"Although only piezoelectric transducers 189a, 189b are described above, other oscillators may be used with the system such as motors, solenoids, electrostatic elements and other such repeaters." .
<http://webisa.webdatacommons.org/prov/160365597>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/277103432> .