- photoelectric alarm
- 1) фотоэлектрическая сигнализация2) фотоэлектрическое устройство сигнализации
Англо-русский словарь по компьютерной безопасности. Академик.ру. 2011.
photoelectric alarm
Смотреть что такое "photoelectric alarm" в других словарях:
fire alarm — 1. a signal that warns that a fire has started. 2. a bell, buzzer, siren, horn, etc., that provides such a signal. [1840 50, Amer.] * * * means of warning in case of fire. Originally, watchmen provided the only fire alarm system, but, with… … Universalium
Burglar alarm — Silent alarm redirects here. For the album, see Silent Alarm (album). Burglar (or intrusion), fire and safety alarms are all electronic today. Sensors are connected to a control unit via a low voltage hardwire or narrowband RF signal which is… … Wikipedia
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
smoke detector — an electronic fire alarm that is activated by the presence of smoke. Also called smoke alarm. [1925 30] * * * device used to warn occupants of a building of the presence of a fire before it reaches a rapidly spreading stage and inhibits… … Universalium
electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… … Universalium
Hardware random number generator — This SSL Accelerator computer card uses a hardware random number generator to generate cryptographic keys to encrypt data sent over computer networks. In computing, a hardware random number generator is an apparatus that generates random numbers… … Wikipedia
Photoresistor — The symbol for a photoresistor[1] A light dependent resistor … Wikipedia
History of electromagnetism — The history of electromagnetism, that is the human understanding and recorded use of electromagnetic forces, dates back over two thousand years ago, see Timeline of electromagnetism. The ancients must have been acquainted with the effects of… … Wikipedia
photocell — /foh toh sel /, n. Electronics. a solid state device that converts light into electrical energy by producing a voltage, as in a photovoltaic cell, or uses light to regulate the flow of current, as in a photoconductive cell: used in automatic… … 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
List of sensors — * Accelerometer * Touch sensor * Active pixel sensor * Air flow meter * Alarm sensor * Bedwetting alarm * Bhangmeter * Biochip * Biosensor * Breathalyzer * Capacitance probe * Carbon paste electrode * Carbon monoxide detector * Catadioptric… … Wikipedia
