photocell

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photocell 

Physical receptor that produces electric current when light is incident upon it. Syn. photoelectric cell.
References in periodicals archive ?
When a multi-camera system is needed, Electric Eye recommends split-screen view over a switching system, where three of four cameras are not being viewed/recorded for minutes at a time.
the production company producing the video for Electric Eye, believes this will be the best selling computer video in history.
Tokyo Electric eyes building nuclear power plants in Asia
It's not unusual for hotels and luxury apartment basement garages to have electric eyes that decide when to turn the lights on, rather than 24-hour illumination.
The CA software suite acts as the electric eyes that lets my group set IT performance thresholds for the networks and systems, so they can automate control of the environment and proactively manage all IT elements," said Bryant.
Its only purpose is to take out Taiwan's electric eyes and ears and to make Taiwan vulnerable to Chinese missiles and bombs.
Door control options include induction loop, remote control, photo electric eyes, pull cord and control stations.
Researchers also suggest retrofitting the door openers math electric eyes or keypad switches, which are harder for children to operate.
A piece of paper can break one of the electric eyes and cut the power.
In the "old" foundry, an in-house-engineered conveyorized mold handling system uses 1200 electric eyes to control the movement and position of each mold as it progresses along three parallel conveyor lines.
Chubu Electric eyes calling for power saving in winter
Matsushita Electric eyes building lithium ion battery plant in Osaka