<http://webisa.webdatacommons.org/prov/437261884>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/133452670> .
<http://webisa.webdatacommons.org/133452670>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com.au> .
<http://webisa.webdatacommons.org/133452670>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/133452670>	<http://www.w3.org/ns/prov#value>	"Although preferred embodiments of an untethered stylus do not include a battery, some embodiments may employ a battery, such as a rechargeable battery that is recharged from energy derived from the magnetic field of the drive signal." .