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Valdemar Poulsen

Valdemar Poulsen (23 November 1869 – 23 July 1942) was a Danish engineer and inventor who developed a magnetic wire recorder called the telegraphone in 1898. He also made significant contributions to early radio technology, including the first continuous wave radio transmitter, the Poulsen arc, which was used for a majority of the earliest audio radio…

Legacy & Technology

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Awards
Valdemar Poulsen Gold Medal (1939)
Born
23 November 1869 Copenhagen, Denmark
Died
23 July 1942(1942-07-23) (aged 72) Gentofte, Denmark
Projects
Tikker Magnetic recorder Poulsen arc

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Overview

Early life

Recording innovations

Radio development

Personal life

Legacy

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Map overview Semantic statistics

Valdemar Poulsen

Nodes42
Edges41
Triples44
Avg. degree1.95
Density0.047619
Components1

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Valdemar Poulsen

Top relations

related to External links · 25
Valdemar Poulsen → Austria, Austro-Hungarian, Bioelectronics, Biography, Biosensors, Emperor Franz Joseph, Eugenii, Franz Joseph, January, Katz, Magnetic Tape Recorder, Method, October, Poulsen, Poulsen's, Recordings, Reproducing Sounds, Signals, Ten-second, US PAT No
related to Legacy · 15
Valdemar Poulsen → Copenhagen, Danish, Danish Academy, Frederiksborg Castle, Industry, Landemærket, Medal, Men, November, Peder Severin Krøyer's, Poulsen, Poulsen's, Technical Sciences, The, The Valdemar Poulsen Gold
Awards · 1
Valdemar Poulsen → Valdemar Poulsen Gold Medal (1939)
Born · 1
Valdemar Poulsen → 23 November 1869 Copenhagen, Denmark
Died · 1
Valdemar Poulsen → 23 July 1942(1942-07-23) (aged 72) Gentofte, Denmark
Projects · 1
Valdemar Poulsen → Tikker Magnetic recorder Poulsen arc

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Important terminology

poulsen recording magnetic arc valdemar radio danish used transmitters copenhagen early telegraphone audio 1898 telephone 23 november wire vacuum-tube medal

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Valdemar PoulsenAwardsValdemar Poulsen Gold Medal (1939)1.00infobox
Valdemar PoulsenBorn23 November 1869 Copenhagen, Denmark1.00infobox
Valdemar PoulsenDied23 July 1942(1942-07-23) (aged 72) Gentofte, Denmark1.00infobox
Valdemar PoulsenProjectsTikker Magnetic recorder Poulsen arc1.00infobox
Valdemar Poulsenrelated to External linksBiography0.60section
Valdemar Poulsenrelated to External linksValdemar Poulsen0.60section
Valdemar Poulsenrelated to External linksOctober0.60section
Valdemar Poulsenrelated to External linksTen-second0.60section
Valdemar Poulsenrelated to External linksAustro-Hungarian0.60section
Valdemar Poulsenrelated to External linksFranz Joseph0.60section
Valdemar Poulsenrelated to External linksYouTube0.60section
Valdemar Poulsenrelated to External linksKatz0.60section

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