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photoelectric control

См. также в других словарях:

  • photoelectric effect — Physics. the phenomenon in which the absorption of electromagnetic radiation, as light, of sufficiently high frequency by a surface, usually metallic, induces the emission of electrons from the surface. Also called photoemission. [1890 95] * * *… …   Universalium

  • photoelectric cell — Electronics. photocell. [1890 95] * * * ▪ electronics also called  Electric Eye, Photocell, or Phototube,         an electron tube with a photosensitive cathode that emits electrons when illuminated and an anode for collecting the emitted… …   Universalium

  • Remote control — For other uses, see Remote control (disambiguation). A television remote control unit (RCU) A remote control is a component of an electronics device, most commonly a television set, used for operating the television device wireless …   Wikipedia

  • Photoresistor — The symbol for a photoresistor[1] A light dependent resistor …   Wikipedia

  • Lighting — Not to be confused with lightning. For other uses, see lighting (disambiguation). Low intensity lighting and haze in a concert hall allows laser effects to be visible …   Wikipedia

  • Old Point Comfort Light — and keeper s house (USCG) Location On the grounds of Fort Monroe Coordinates …   Wikipedia

  • printing press — a machine, as a cylinder press or rotary press, for printing on paper or the like from type, plates, etc. [1580 90] * * * ▪ printing       machine by which images are transferred to paper by means of ink.       Although movable type, as well as… …   Universalium

  • фотоэлектрический регулятор — — [Я.Н.Лугинский, М.С.Фези Жилинская, Ю.С.Кабиров. Англо русский словарь по электротехнике и электроэнергетике, Москва, 1999 г.] Тематики электротехника, основные понятия EN photoelectric control …   Справочник технического переводчика

  • Smoke detector — A smoke detector is a device that detects smoke, typically as an indicator of fire. Commercial, industrial, and mass residential devices issue a signal to a fire alarm system, while household detectors, known as smoke alarms, generally issue a… …   Wikipedia

  • printing — /prin ting/, n. 1. the art, process, or business of producing books, newspapers, etc., by impression from movable types, plates, etc. 2. the act of a person or thing that prints. 3. words, symbols, etc., in printed form. 4. printed material. 5.… …   Universalium

  • History of the single-lens reflex camera — The history of the single lens reflex camera predates the invention of photography in 1826/27 by one and a half centuries with the use of a reflex mirror in a camera obscura first described in 1676. Such SLR devices were popular as drawing aids… …   Wikipedia

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