Meaning | A transducer used to detect and measure light and other radiations. |
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Synonyms | photoelectric cell, photoconductive cell, photocell, electric eye |
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Parts | photocathode | A cathode that emits electrons when illuminated |
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Narrower | selenium cell | A photoelectric cell that uses a strip of selenium |
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Broader | detector, sensor, sensing element | 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 |
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transducer | An electrical device that converts one form of energy into another |
Spanish | célula fotoeléctrica, electric eye |
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Catalan | electric eye, fotocèl·lula |
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