ELECTRICEYE

Electric Eye

"Electric Eye" is a song by British heavy metal band Judas Priest, from their 1982 album Screaming for Vengeance, and released as a single later that year. It has become a staple at concerts, usually played as the first song.

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Electric eye

An electric eye is a photodetector used for detecting obstruction of a light beam. An example is the door safety system used on garage door openers that use a light transmitter and receiver at the bottom of the door to prevent closing if there is any obstruction in the way that breaks the light beam. The device does not provide an image; only presence of light is detectable. Visible light may be used, but infrared radiation conceals the operation of the device and typically is used in modern systems. Originally systems used lamps powered by direct current or the power line alternating current frequency, but modern photodetector systems use an infrared ...

The above text is a snippet from Wikipedia: Electric eye
and as such is available under the Creative Commons Attribution/Share-Alike License.

electric eye

Noun

  1. A sensor which measures the intensity of light, often used to start and stop electrical equipment (motorized doors, etc.).


The above text is a snippet from Wiktionary: electric eye
and as such is available under the Creative Commons Attribution/Share-Alike License.

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