About: http://webisa.webdatacommons.org/400985197

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	Therefore, a thickness of this apparatus including an optical system can be reduced, and thus it is possible to incorporate such an apparatus in a door, a keyboard of computer terminals or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com