electric eye vs transducer

electric eye and transducer both are nouns.

Word	Noun	Adjective	Verb	Adverb
electric eye	Yes	No	No	No
transducer	Yes	No	No	No

As nouns, transducer is a hypernym of electric eye; that is, transducer is a word with a broader meaning than electric eye:

electric eye: a transducer used to detect and measure light and other radiations
transducer: an electrical device that converts one form of energy into another

Other hypernyms of electric eye include detector, sensing element, sensor.

electric eye (noun)	transducer (noun)
a transducer used to detect and measure light and other radiations	an electrical device that converts one form of energy into another