photoelectric cell


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Related to photoelectric cell: photoelectric effect, photocell

photoelectric cell

n.
An optoelectronic device that generates an electrical output in response to incident electromagnetic radiation, such as visible light. Also called photocell, photovoltaic cell.

photoelectric cell

n
(Electronics) another name for photocell

pho•to•cell

(ˈfoʊ toʊˌsɛl)

n.
a solid-state electronic device that converts light into electrical energy by producing a voltage or that uses light to regulate the flow of current: used in automatic control systems for doors, burglar alarms, lighting, etc.
[1890–95]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.photoelectric cell - a transducer used to detect and measure light and other radiationsphotoelectric cell - a transducer used to detect and measure light and other radiations
detector, sensing element, sensor - any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner
photocathode - a cathode that emits electrons when illuminated
selenium cell - a photoelectric cell that uses a strip of selenium
transducer - an electrical device that converts one form of energy into another
References in periodicals archive ?
At get in of steel ball in a cylinder, during its touch of oil surface is blocking beam light emission by bulb, which drop on photoelectric cell, in this case, it has not lighted due to close the current in circuit of amplifier and signal the start moment-ti of drop in mass of fluid.
Many outdoor lighting units are equipped with a photoelectric cell to turn the fixture on at sunset and off at sunrise.
Vibrations caught by the microphone broke the current of a photoelectric cell and the resulting fluctuations of light and dark photographed on motion-picture film, gave back the original sound impulses when passed around another cell in the sound head of the projector.
Then, a photoelectric cell measures the amount of photons scattered and absorbed at a 90 degree angle by the floating solids in the sample.
Photoelectric cell sensors detect when there is no work on the conveyor ensuring that the pumps are progressively shut down.
A photoelectric cell detects the point at which condensation first appears on the mirror and a thermocouple records the temperature.
Whether a counter uses weight or a photoelectric cell as its measuring system, the benefits are the same -- it will count all medications, it saves time on large counts and it eliminates errors due to distraction.
Target presence is detected by an inductive or capacitive sensor, or by using a photoelectric cell. An electronic pulse analyzer performs the actual speed com* parison, and switches the output circuit to signal underspeed conditions.