<http://webisa.webdatacommons.org/265754106>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/305564746>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/265754106> .
<http://webisa.webdatacommons.org/265754106>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/265754106>	<http://www.w3.org/ns/prov#value>	"In accordance with the second embodiment of the present invention, the gain of the entire servo circuit can be switched with a simple and economical structure without providing a gain switching circuit of discrete structure, by digital-modulating a phase or speed error signal in a software manner according to various factors such as the type of the reproduced disc, the reproduction position and re" .