About: http://webisa.webdatacommons.org/299931254

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	Also, the conventional device causes problems such as uneven light intensity, uneven light receiving sensitivity, etc, since a plurality of light emitting elements and a plurality of light receiving elements are used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com