About: http://webisa.webdatacommons.org/65759624

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	Photosensor 16 converts the received energy into an electrical signal, which is then fed to input amplifier 20. [0028] Light sources other than LEDs can be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com