thermionic+relay

См. также в других словарях:

• тиратрон — Газоразрядный прибор с управлением моментом возникновения разряда, имеющий анод, катод и один или несколько управляющих электродов. [ГОСТ 13820 77] Тематики электровакуумные приборы EN gas triodegas control tubegas filled relaygas filled… …   Справочник технического переводчика

• Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …   Wikipedia

• Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …   Wikipedia

• Diode — Figure 1: Closeup of a diode, showing the square shaped semiconductor crystal (black object on left) …   Wikipedia

• F. W. Jordan — Frank Wilfred Jordan was a British physicist who together with William Henry Eccles invented the so called flip flop circuit in 1918. [William Henry Eccles and Frank Wilfred Jordan, Improvements in ionic relays British patent number: GB 148582… …   Wikipedia

• Colossus computer — Colossus MkI/MkII A Colossus Mark 2 computer. The operator on the left is Dorothy Duboisson. The slanted control panel on the left was used to set the pin patterns on the Lorenz. The bedstead paper tape transport is on the right. Developer Tommy… …   Wikipedia

• electric circuit — noun an electrical device that provides a path for electrical current to flow (Freq. 1) • Syn: ↑circuit, ↑electrical circuit • Hypernyms: ↑electrical device • Hyponyms: ↑bridge, ↑ …   Useful english dictionary

• electrical circuit — noun an electrical device that provides a path for electrical current to flow • Syn: ↑circuit, ↑electric circuit • Hypernyms: ↑electrical device • Hyponyms: ↑bridge, ↑bridge circuit, ↑ …   Useful english dictionary

• electron tube — an electronic device that consists, typically, of a sealed glass bulb containing two or more electrodes: used to generate, amplify, and rectify electric oscillations and alternating currents. Also called electronic tube. Cf. gas tube, vacuum tube …   Universalium

• HRS antenna — HRS type antennas are more or less the standard antenna used for long distance high power shortwave broadcasting (> 1000 km). Contents 1 History of HRS design 2 Nomenclature 3 A versatile antenna type …   Wikipedia

• Coherer — Metal filings coherer The coherer was a primitive form of radio signal detector used in the first radio receivers during the wireless telegraphy era at the beginning of the twentieth century. Invented around 1890 by French scientist Édouard… …   Wikipedia