About: http://webisa.webdatacommons.org/440009237

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The light transmitting member 14 is a block-shaped member formed of a transparent resin, and a front surface 14a is constituted by a rotating elliptical surface with the optical axis Ax to be a central axis.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com