ALL meanings of phototransistor
pho·to·tran·sis·tor
P p - noun phototransistor a transistor that amplifies current induced by photoconductivity. 1
- noun phototransistor a junction transistor, whose base signal is generated by illumination of the base. The emitter current, and hence collector current, increases with the intensity of the light 0
- noun phototransistor a device combining the function of a photodiode with the amplifying function of a transistor 0