Electric eye

Electric eye

Electric eye is a somewhat dated term used to describe an opto-electronic means of sensing something, most commonly a photodetector of some type. 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.

In the frequently played "Proper Modulation" soundbite from the Howard Stern Radio Show, Stern's father, a sound engineer, describes "the electric eye" as "a green type of... tube."

ee also

*Machine vision

*Electric Eye (song)


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  • electric eye — A device whereby a ray is controlled to open a door, turn on a lamp, etc.; a game played on a machine called the electric eye, whereby a ray or beam of light is shot at a target. Anno: 135 ALR 158 …   Ballentine's law dictionary

  • Electric Eye (song) — Infobox Single Name = Electric Eye Artist = Judas Priest from Album = Screaming for Vengeance B side = Released = 1982 Format = Recorded = 1982 Genre = Heavy metal Length = 3:39 Label = Columbia Writer = Rob Halford K.K. Downing Glenn Tipton… …   Wikipedia

  • Electric Eye (album) — Infobox Album | Name = Electric Eye Type = Album Artist = Prodigal |250px Released = 1984 Recorded = Genre = Christian rock/New Wave Length = Label = Heartland Records Producer = Jon Phelps Reviews = Last album = Prodigal (1982) This album =… …   Wikipedia

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  • electric eye — elec′tric eye′ n. elo photocell • Etymology: 1925–30 …   From formal English to slang

  • electric eye — noun a transducer used to detect and measure light and other radiations • Syn: ↑photoelectric cell, ↑photoconductive cell, ↑photocell, ↑magic eye • Hypernyms: ↑transducer, ↑detector, ↑sensor, ↑ …   Useful english dictionary

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