About: optical encoder

Premodifier: optical
Head noun: encoder

Same concepts
http://dbpedia.org/resource/Rotary_encoder

Broader concepts

label	provenance	confidence
rotary encoder	isap:432861980	0.710993
device	isap:269376153	0.591233
means	isap:40680812	0.549668
sensor	isap:266913556	0.493567
position	isap:51500171	0.473512
example	isap:432514705	0.379620
potentiometer	isap:145521420	0.357561

Narrower concepts

label	provenance	confidence
potentiometer	isap:477852059	0.341810
encoder	isap:432861965	0.225736