<http://webisa.webdatacommons.org/prov/351288493>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/46210508> .
<http://webisa.webdatacommons.org/prov/337705219>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/46210508> .
<http://webisa.webdatacommons.org/46210508>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/46210508>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/46210508>	<http://www.w3.org/ns/prov#value>	"Parameters, such as frequency and duty cycle, of the clock pulses used by the present invention may be readily varied within limitations without causing any change in operation or deleterious effects." .