- audion tube
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An electronic amplifier device invented in 1906. It was the forerunner of the triode.
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audion tube
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Audion tube — Audion redirects here. For other uses, see Audion (disambiguation). Triode Audion from 1908. (The 1906 Audion was a 2 element device with the signal applied to a wire wrapped around the glass envelope.) The Audion is an electronic amplifying… … Wikipedia
Audion — may be * the Audion tube, a wireless signal detector device invented by Lee De Forest in 1906. * Audion (software), a freeware media player for Apple Macintosh created by Panic. * Audion (band), an indie rock band from Columbus, Ohio. * Audion,… … Wikipedia
Audion — Une audion de 1906. L audion est le premier tube électronique de type triode. L audion a permis de réaliser les premiers amplificateurs électroniques. Sommaire 1 Historique … Wikipédia en Français
Tube socket — Left to right: octal (top and bottom view), loctal, and miniature (top and side view) sockets. An early transistor socket and an IC socket are included for comparison. Tube sockets are electrical sockets into which vacuum tubes (also known as… … Wikipedia
audion — /aw dee euhn, on /, n. Electronics. an early type of triode. [formerly a trademark] * * * Elementary radio tube developed by Lee De Forest (patented 1907). It was the first triode vacuum tube, incorporating a control grid as well as a cathode and … Universalium
Audion — ˈȯdēən, ˌän trademark used for a 3 electrode tube … Useful english dictionary
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
Lee De Forest — Infobox person name = Lee De Forest caption = birth date = birth date|1873|8|26|mf=y birth place = Council Bluffs, Iowa death date = death date and age|1961|6|30|1873|8|26|mf=y death place = Hollywood, Los Angeles, California occupation =… … Wikipedia
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
De Forest, Lee — born Aug. 26, 1873, Council Bluffs, Iowa, U.S. died June 30, 1961, Hollywood, Calif. U.S. inventor. He had invented many gadgets by age 13, including a working silverplating apparatus. After earning a Ph.D. from Yale University, he founded the De … Universalium
