Arc converter
The arc converter, sometimes called the arc transmitter, or Poulsen arc after Danish engineer Valdemar Poulsen who invented it in 1903, was a variety of spark transmitter used in early wireless telegraphy. The arc converter used an electric arc to convert direct current electricity into radio frequency alternating current. It was used as a radio transmitter from 1903 until the 1920s when it was replaced by vacuum tube transmitters. One of the first transmitters that could generate continuous sinusoidal waves, it was one of the first technologies used to transmit sound (amplitude modulation) by radio. It is on the list of IEEE Milestones as a historic achievement in electrical engineering.
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AM broadcastingAlexanderson alternatorAmplitude modulationArcArc ConverterArc transmitterArc transmittersAutodyneC. Lorenz AGCrystal detectorCrystal radioCyclotronCyril Frank ElwellElectric arcElectronic oscillatorErnst RuhmerFrancis Joseph McCartyFrequency-shift keyingGlossary of electrical and electronics engineeringGoldschmidt alternatorHeterodyneHistory of Santa Clara County, CaliforniaHistory of broadcastingIndex of electrical engineering articlesLee de ForestLeonard F. FullerList of inventorsMalabar, IndonesiaNAA (Arlington, Virginia)Negative resistancePeder Oluf PedersenPoulsen-Arc Radio TransmitterPoulsen ArcPoulsen Arc TransmitterPoulsen arcRadio in the United StatesRadio receiver
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Arc converter
The arc converter, sometimes called the arc transmitter, or Poulsen arc after Danish engineer Valdemar Poulsen who invented it in 1903, was a variety of spark transmitter used in early wireless telegraphy. The arc converter used an electric arc to convert direct current electricity into radio frequency alternating current. It was used as a radio transmitter from 1903 until the 1920s when it was replaced by vacuum tube transmitters. One of the first transmitters that could generate continuous sinusoidal waves, it was one of the first technologies used to transmit sound (amplitude modulation) by radio. It is on the list of IEEE Milestones as a historic achievement in electrical engineering.
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Der Lichtbogensender, in seine ...... e der 1920er Jahre eingesetzt.
@de
L'émetteur à arc, aussi appelé ...... ique et électrique américain).
@fr
The arc converter, sometimes c ...... ent in electrical engineering.
@en
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Der Lichtbogensender, in seine ...... e der 1920er Jahre eingesetzt.
@de
L'émetteur à arc, aussi appelé ...... ique et électrique américain).
@fr
The arc converter, sometimes c ...... ent in electrical engineering.
@en
label
Arc converter
@en
Lichtbogensender
@de
Émetteur à arc
@fr