Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Audion> ?p ?o }
- Audion abstract "The Audion was an electronic amplifying vacuum tube invented by American electrical engineer Lee De Forest in 1906. It was the first triode, consisting of a partially evacuated glass tube containing three electrodes; a heated filament, a grid, and a plate. It is important in the history of technology because it was the first widely used electrical device which could amplify; a small electrical signal applied to the grid could control a larger current flowing from the filament to plate.Unlike later vacuum tubes, the primitive Audion had a small amount of gas in the tube, thought to be necessary by De Forest, which limited the dynamic range and gave it nonlinear characteristics and erratic performance. Originally developed as a radio receiver detector by adding a grid electrode to the Fleming valve, it found little use until its amplifying ability was recognized around 1912 by several researchers, who used it to build the first amplifying radio receivers and electronic oscillators. The many practical applications for amplification motivated its rapid development, and the original Audion was superseded within a few years by improved versions with higher vacuum, developed by Irving Langmuir at GE and others. These were the first modern \"hard vacuum\" triodes.".
- Audion thumbnail Triode_tube_1906.jpg?width=300.
- Audion wikiPageExternalLink langmuir.pdf.
- Audion wikiPageExternalLink DeliverDocument.asp?CiteID=422515.
- Audion wikiPageExternalLink the-audion-pianolee-de-forestusa1915.
- Audion wikiPageExternalLink books?id=UjXGQSPXvIcC&pg=PA225&lpg=PA225&hl=en&f=false.
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- Audion wikiPageExternalLink 1907aud.htm.
- Audion wikiPageExternalLink The-Fleming-diode-and-De-Forest-Audion.
- Audion wikiPageExternalLink empireoftheair.html.
- Audion wikiPageExternalLink audion.
- Audion wikiPageID "298975".
- Audion wikiPageLength "23657".
- Audion wikiPageOutDegree "64".
- Audion wikiPageRevisionID "689583508".
- Audion wikiPageWikiLink Amplifier.
- Audion wikiPageWikiLink Audion_(disambiguation).
- Audion wikiPageWikiLink Category:American_inventions.
- Audion wikiPageWikiLink Category:Vacuum_tubes.
- Audion wikiPageWikiLink Cats-whisker_detector.
- Audion wikiPageWikiLink Coherer.
- Audion wikiPageWikiLink Columbia_University.
- Audion wikiPageWikiLink Control_grid.
- Audion wikiPageWikiLink Demodulation.
- Audion wikiPageWikiLink Detector_(radio).
- Audion wikiPageWikiLink Edwin_Howard_Armstrong.
- Audion wikiPageWikiLink Electrical_World.
- Audion wikiPageWikiLink Electrical_resistivity_and_conductivity.
- Audion wikiPageWikiLink Electrode.
- Audion wikiPageWikiLink Electronic_oscillator.
- Audion wikiPageWikiLink Electronics.
- Audion wikiPageWikiLink Fleming_valve.
- Audion wikiPageWikiLink Gain_(electronics).
- Audion wikiPageWikiLink Galena.
- Audion wikiPageWikiLink General_Electric.
- Audion wikiPageWikiLink History_of_technology.
- Audion wikiPageWikiLink Hot_wire_barretter.
- Audion wikiPageWikiLink Incandescent_light_bulb.
- Audion wikiPageWikiLink Institute_of_Radio_Engineers.
- Audion wikiPageWikiLink Integrated_circuit.
- Audion wikiPageWikiLink Irving_Langmuir.
- Audion wikiPageWikiLink John_Ambrose_Fleming.
- Audion wikiPageWikiLink John_Harold_Morecroft.
- Audion wikiPageWikiLink Lee_de_Forest.
- Audion wikiPageWikiLink Long-distance_calling.
- Audion wikiPageWikiLink Patent.
- Audion wikiPageWikiLink Plate_electrode.
- Audion wikiPageWikiLink Radio_frequency.
- Audion wikiPageWikiLink Radio_receiver.
- Audion wikiPageWikiLink Regenerative_circuit.
- Audion wikiPageWikiLink Repeater.
- Audion wikiPageWikiLink Solid-state_electronics.
- Audion wikiPageWikiLink Transistor.
- Audion wikiPageWikiLink Transmitter.
- Audion wikiPageWikiLink Triode.
- Audion wikiPageWikiLink Vacuum.
- Audion wikiPageWikiLink Vacuum_tube.
- Audion wikiPageWikiLink Western_Electric.
- Audion wikiPageWikiLink Western_world.
- Audion wikiPageWikiLink World_War_I.
- Audion wikiPageWikiLink File:1973_airmail_stamp_C86.jpg.
- Audion wikiPageWikiLink File:Audion_receiver.jpg.
- Audion wikiPageWikiLink File:Audion_vacuum_tube_advertisement.png.
- Audion wikiPageWikiLink File:De_Forest_Audion_AM_radio_transmitters.jpg.
- Audion wikiPageWikiLink File:Early_triode_vacuum_tubes.jpg.
- Audion wikiPageWikiLink File:First_vacuum_tube_AM_radio_transmitter.jpg.
- Audion wikiPageWikiLink File:General_electric_pliotron_pp_schenectady_3.jpg.
- Audion wikiPageWikiLink File:Triode_tube_1906.jpg.
- Audion wikiPageWikiLinkText "Audion".
- Audion wikiPageWikiLinkText "audion".
- Audion align "right".
- Audion direction "horizontal".
- Audion footer "' The first prototype Audion with the grid between the filament and plate. ' Later design of an audion tube. The grid and plate are in two parts on either side of the central filament. In both these tubes the filament is burned out.".
- Audion image "Audion tube.jpg".
- Audion image "First internal grid Audion tube.jpg".
- Audion width "100".
- Audion width "162".
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- Audion wikiPageUsesTemplate Template:Cleanup-rewrite.
- Audion wikiPageUsesTemplate Template:Commons_category.
- Audion wikiPageUsesTemplate Template:Electronic_components.
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- Audion wikiPageUsesTemplate Template:Multiple_issues.
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- Audion wikiPageUsesTemplate Template:Reflist.
- Audion wikiPageUsesTemplate Template:Thermionic_valves.
- Audion wikiPageUsesTemplate Template:US_patent.
- Audion wikiPageUsesTemplate Template:Wikisource.
- Audion subject Category:American_inventions.
- Audion subject Category:Vacuum_tubes.
- Audion hypernym Tube.
- Audion type AnatomicalStructure.
- Audion type Component.
- Audion comment "The Audion was an electronic amplifying vacuum tube invented by American electrical engineer Lee De Forest in 1906. It was the first triode, consisting of a partially evacuated glass tube containing three electrodes; a heated filament, a grid, and a plate.".
- Audion label "Audion".
- Audion sameAs Q1066433.
- Audion sameAs Audió.
- Audion sameAs Audion.