About: http://webisa.webdatacommons.org/343135256

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	In such a rotary encoder as described above, in order to detect the direction of rotation of the code disk 2, or to multiply the output signal, it is necessary to take out two kinds of output signals different in phase from each other.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com