<http://webisa.webdatacommons.org/prov/244316739>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/386356521> .
<http://webisa.webdatacommons.org/386356521>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/386356521>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/386356521>	<http://www.w3.org/ns/prov#value>	"A disk recording and reproducing device as set forth in claim 7, wherein the control means is a controller for controlling the device when a pass word entered through the operation keys is compared with a pass word already recorded and if those pass words do not agree with each other, to inhibit reading operation of relevant recorded information, and to automatically apply write protection to a ra" .