- photocells
- фотоэлементы
Новый англо-русский словарь. 2013.
photocells
Смотреть что такое "photocells" в других словарях:
photocells — n. electric eye, photoelectric cell, device that uses light to regulate or produce an electrical current … English contemporary dictionary
photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… … Universalium
Vanguard 2 — or Vanguard II was an earth orbiting satellite launched 1959 02 17 by the Vanguard SLV 4 launch vehicle as part of Project Vanguard. [cite web | url = http://history.nasa.gov/SP 4202/chap12.html | title = VANGUARD A HISTORY, CHAPTER 12, SUCCESS… … Wikipedia
Rashid al-Rifai — Rashid Muhammad Said al Rifai, (Arabic: رشيد محمد سعيد الرفاعي) born May 1, 1929, is a retired Iraqi academic, Baathist, ambassador and minister of several establishments in Iraq. He is most noted for his highly successful posts as Oil, Planning … Wikipedia
selenium cell — Elect. a photovoltaic cell consisting of a thin strip of selenium placed between two metal electrodes. [1875 80] * * * ▪ device photoelectric device used to generate or control an electric current. Selenium photocells are commonly used in… … Universalium
Single-lens reflex camera — The single lens reflex (SLR) camera uses an automatic moving mirror system which permits the photographer to see exactly what will be captured by the film or digital imaging system, as opposed to non SLR cameras where the view through the… … Wikipedia
Mechanical television — This schematic shows the circular paths traced by the holes in a Nipkow disk. Mechanical television (also called televisor) was a broadcast television system that used mechanical or electromechanical devices to capture and display video images.… … Wikipedia
George R. Carey — was an American inventor born in 1851. He was among the first to propose the telectroscope using the photo electric properties of selenium as a means for transmitting images a precursor to modern television.George R. Carey was a professional… … Wikipedia
Mellon optical memory — was an early form of computer memory invented at the Mellon Institute in the 1950s. The device used a combination of photoemissive and phosphorescent materials to produce a light loop between two surfaces. The presence or lack of light, detected… … Wikipedia
germanium — /jeuhr may nee euhm/, n. Chem. a scarce, metallic, grayish white element, normally tetravalent, used chiefly in transistors. Symbol: Ge; at. wt.: 72.59; at. no.: 32; sp. gr.: 5.36 at 20°C. [1885 90; GERMAN(Y) + IUM] * * * Chemical element with… … Universalium
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
