photodiode

(redirected from Phototransister)
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Related to Phototransister: Optocoupler

pho·to·di·ode

 (fō′tō-dī′ōd′)
n.
A diode that exhibits sensitivity to light, either by varying its electrical resistance like a photoresistor or by generating a electric potential in the manner of a photoelectric cell.

photodiode

(ˌfəʊtəʊˈdaɪəʊd)
n
(Electronics) a semiconductor diode, the conductivity of which is controlled by incident illumination

pho•to•di•ode

(ˈfoʊ toʊˌdaɪ oʊd)

n.
a photosensitive semiconductor diode.
[1940–45]
References in periodicals archive ?
Additionally, one of the skyscreens' phototransisters had been replaced.