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Topic: Ernst Alexanderson

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	Alexanderson
		Ernst Fredrik Werner Alexanderson was born on January 25, 1878, in Uppsala, Sweden, son of a judge and professor of Greek.
		Alexanderson was brought in as Chief Engineer at the new corporation, and subsequently shared his working time between GE and RCA until 1924, when he returned to working full time at GE.
		Ernst Alexanderson was honoured posthumously in 1983, when he was elected, for his invention of the high-frequency alternator, to join the ranks of distinguished inventors in the National Inventors Hall of Fame.
	chem.ch.huji.ac.il /~eugeniik/history/alexanderson.html (0 words)

	Ernst Alexanderson - Biocrawler (Site not responding. Last check: )
		Ernst Frederick Werner Alexanderson (January 25, 1878–May 14, 1975) was a Swedish-American electrical engineer.
		He designed the Alexanderson alternator, a high-frequency generator for longwave transmissions.
		Alexanderson was also instrumental in the development of television.
	www.biocrawler.com /encyclopedia/Ernst_Alexanderson (304 words)

	Invent Now \| Hall of Fame \| Search \| Inventor Profile
		Inventor Ernst Alexanderson was the General Electric Company engineer whose high-frequency alternator gave America its start in the field of radio communication.
		In 1904, Alexanderson was assigned to build a high-frequency machine that would operate at high speeds and produce a continuous-wave commission.
		Alexanderson's name also will be recorded in history for his pioneer efforts in television and the transmission of pictures.
	www.invent.org /hall_of_fame/2.html (236 words)

	History of Communications - RADIO: The Power that Made Radio Realistic
		Alexanderson came to the United States in 1902, at the age of 24, to work with General Electric on the new and exciting alternating current approaches to power generation.
		In 1906 the Alexanderson Alternator, a 2 kilowatt, 100 kilohertz alternator, was used by Fessenden to carry out the first long distance broadcast of the human voice.
		Unassuming Ernst Alexanderson produced over 300 patents and served as a leading figure in the development of facsimile communication and television as well as radio.
	www.fcc.gov /omd/history/radio/power.html (1071 words)

	Tekniska museet - uppfinningar, experiment, utstÃ¤llningar om teknikhistoria, Teknorama.
		Alexanderson was brought in as Chief Engineer at the new corporation, and subsequently shared his working time between GE and RCA until 1924, when he returned to working full time at GE.
		During the 1930s, Alexanderson began to interest himself in the transmission of high-voltage direct current with the help of mercury arc inverters, thyratrons, which had previously been developed by himself and his good friend Dr. Irving Langmuir, who was awarded the Nobel Prize in Chemistry in 1932.
		Ernst Alexanderson was honoured posthumously in 1983, when he was elected, for his invention of the high-frequency alternator, to join the ranks of distinguished inventors in the National Inventors Hall of Fame.
	www.tekniskamuseet.se /templates/Page.aspx?id=14152 (1693 words)

	Yes90 tviNews S90 109 Ernst Fredrik Werner Alexanderson Biography and TimeLine. b: Jan. 25, 1878 - d: May 14, 1975 the ...
		Alexanderson first assignment a member of the GE engineering staff in l904, was designing generators under Dr. Steinmetz.
		Ernst Alexanderson was born in Upsala, Sweden, on Jan. 25, 1878.
		Alexanderson had been employed at General Electric for only a short period of time when GE received an order from Canadian-born professor and researcher Reginald Fessenden for an alternator with 1000 times higher frequency than any in existence at that time.
	smart90.com /alexanderson (3435 words)

	Ernst Alexanderson Summary
		Ernst F. Alexanderson was a Swedish American engineer and inventor who is best remembered for his pioneering work on the high frequency alternator that made long-distance radio communication possible.
		Alexanderson's big break came when he was commissioned by Reginald Fessenden, a pioneering wireless operator, to build a generator that could produce alternating, high frequency currents.
		Alexanderson also held patents for his inventions of telephone relays, radiant energy guided systems for aircraft, electric ship propulsion, automatic steering, motors and power transmission systems, railway electrification systems, as well as inventions in the fields of radio and television.
	www.bookrags.com /Ernst_Alexanderson (0 words)

	Ernst Alexanderson
		In 1901 Alexanderson went to America and became an employee of General Electric.
		Alexanderson patented totally 344 inventions and designs, most of them made for General Electric.
		Of the some twenty 200-kilowatt Alexanderson transmitters which were built in USA by General Electric and were installed all over the world, only this one at Grimeton is left.
	www.grimetonradio.se /page2.html (0 words)

	Inventor Ernst Alexanderson Biography
		ascinating facts about Ernst Alexanderson inventor of the Alexanderson alternator in 1909.
		Electrical engineer and inventor Ernst Fredrick Werner Alexanderson developed pioneering technological concepts during the early 20th century that contributed to the birth of the broadcasting industry.
		He designed the Alexanderson alternator, a high-frequency generator for longwave transmission, which made modulated (voice) radio broadcasts practical.
	www.ideafinder.com /history/inventors/alexanderson.htm (88 words)

	hofame_oct04.htm
		Ernst Alexanderson, Swedish-born American inventor, was the General Electric Company engineer whose high frequency alternator gave America its start in the field of radio communication.
		Alexanderson's name also will be recorded in history for his pioneer efforts in television and the transmission of pictures by radio.
		Ernst Alexanderson died on May 14, 1975, at the age of 97.
	www.dreammerchant.net /hofame_oct04.htm (425 words)

	IEEE - Ernst F.W. Alexanderson, 1878 - 1975
		IEEE - Ernst F.W. Alexanderson, 1878 - 1975
		Ernst Alexanderson was born in 1878 in Uppsala, Sweden, and graduated in engineering at the Royal Technical University in Stockholm in 1900.
		Alexanderson retired from GE in 1948 although he continued as a consultant to the company for several more years.
	www.ieee.org /web/aboutus/history_center/biography/alexanderson.html (448 words)

	Ernst F.W. Alexanderson The Edison Exploratorium
		Ernst Fredrik Werner Alexanderson was born January 25, 1878 in Uppsala, Sweden.
		In 1934 Dr. Alexanderson was elected to the Royal Academy of Science of Sweden, the body which bestows the Nobel prizes in science.
		Alexanderson died May 14, 1975 and is buried in Vale Cemetery in Schenectady, NY.
	www.edisonexploratorium.org /bio/alexanderson.htm (893 words)

	Ernst Alexanderson
		Nach der Abschlussprüfung an der Technischen Hochschule in Stockholm setzte Alexanderson seine Studien an der Technischen Hochschule in Berlin-Charlottenburg fort.
		Von weit größerer Bedeutung waren Alexanderson’s Arbeiten auf dem Gebiet der Funktechnik.
		Während seines langen Lebens arbeitete Alexanderson auf verschiedenen Gebieten der Elektrotechnik.
	www.grimetonradio.se /sida7.html (0 words)

	News \| Gainesville.com \| The Gainesville Sun \| Gainesville, Fla. (Site not responding. Last check: )
		Ernst Frederick Werner Alexanderson (January 25, 1878–May 14, 1975) was a Swedish-American electrical engineer.
		He designed the Alexanderson alternator, a high-frequency generator for longwave transmissions, which made modulated (voice) radio broadcasts practical.
		In the summer of 1906 Dr. Alexanderson presented a 50 kHz alternator that was installed in Fessenden's radio station in Brant Rock, Massachusetts.
	www.gainesville.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=Ernst_Alexanderson (443 words)

	Ernst Alexanderson
		Alexanderson was born in Upsala, Sweden in January 1878, son of a judge and professor of Greek.
		He was elected to the Royal Academy of Science in Sweden, he received the Medal of Honor from the IRE in 1919, Knighthood in Poland in 1924, The Edison Medal from the American IEE in 1944, the Royal Danish Medal in 1946, etc. etc.
		Alexanderson was certainly one of the key figures in radio and TV history, if not a piviotal one, although he is not often given the recognition today that some, including George Michael, feel he is due.
	www.oldradio.com /archives/jurassic/alexan.htm (0 words)

	Ernst Alexanderson (Site not responding. Last check: )
		He designed the Alexanderson alternator, a high-frequency generator for longwave transmissions.
		Dr. Alexanderson was also instrumental in the development of television.
		The first television broadcast in the United States was to his GE Plot home at 1132 Adams Rd in 1927.
	ernst-alexanderson.iqnaut.net (314 words)

	IEEE - IEEE History Center: Alexanderson Radio Alternator, 1904
		The Alexanderson radio alternator was a high-power, radio-frequency source which provided reliable transoceanic radiotelegraph communication during and after World War I. Ernst F.W. Alexanderson (1878-1975), a General Electric engineer, designed radio alternators with a frequency range to 100 kHz and a power capability from 2 kW to 200 kW.
		Alexanderson made tests on special Swedish iron strips 1 1/2 mils thick in strong magnetic fields at frequencies up to 200 kHz.
		Dr. Alexanderson (1878-1975) was an electrical engineer with GE from 1902 to 1948.
	www.ieee.org /web/aboutus/history_center/alexanderson.html (435 words)

	Reference.com/Encyclopedia/Ernst Alexanderson
		Ernst Frederick Werner Alexanderson (January 25, 1878–May 14, 1975) was a Swedish-American electrical engineer.
		Alexanderson presented a 50 kHz alternator that was installed in Fessenden's radio station in Brant Rock, Massachusetts.
		Alexanderson was also instrumental in the development of television.
	www.reference.com /browse/wiki/Ernst_Alexanderson (478 words)

	Rolf Bergendorff's Radio Museum (Site not responding. Last check: )
		Alexanderson intresserade sig inte då för radio, men när Fessenden beställde en växelströmsgenerator, som skulle leverera en växelspänning med frekvensen 100 kHz blev han intresserad.
		Alexanderson tog emellertid 1909 ut patent på en generator, som vid 24000 r/m gav 100 kHz växelspänning.
		Mottagarsidans utveckling blev också föremål för Alexandersons intresse.
	home.swipnet.se /relp/radio/artiklar/efw (250 words)

	8. Alternator-Transmitter Development (1891-1920)
		High-speed electrical alternators was one approach used to generate continuous-wave signals, and by 1919 international control of the Alexanderson alternator-transmitter was considered so important that it triggered the formation of the Radio Corporation of America.
		Meanwhile, Ernst Alexanderson, the lead General Electric engineer for the original Fessenden alternator, continued to work on improvements, and eventually developed alternators with power ratings of hundreds of kilowatts.
		Years later, Alexanderson recalled how he obtained the assignment: 'The alternator was one of the inventions I had to make in order to hold my job!
	earlyradiohistory.us /sec008.htm (765 words)

	Ernst Alexanderson
		See his account of the New Brunswick work and the time Dr. Alexanderson got 'zapped' at Belmar.
		Alexanderson: a machine which would generate a frequency of 100,000 Hertz.
		Living to 1975 and the age of 95, Alexanderson watched many changes occur to the electronics and broadcast industries.
	www.infoage.org /ealexan.html (0 words)

	Funkstation Grimeton
		Nach Abschlussprüfung an der Technischen Hochschule in Stockholm setzte Alexanderson seine Studien an der Technischen Hochschule in Berlin-Charlottenburg fort.
		Von weit grösserer Bedeutung waren Alexandersons Arbeiten auf dem Gebiet Funktechnik.
		Während seines langen Lebens nahm Alexanderson an allen verschieden Gebieten der Elektrotechnik teil.
	www.alexander.n.se /radiostationen_d.htm (714 words)

	Radio Story
		The Alexanderson alternator was a popular model in its time, and today, only a sole operational example survives in the whole world.
		During WWII, Alexanderson alternators located in Hawaii, were the only reliable long-haul method of communicating from the United States west coast to the fleet submarines 24 hours per day, seven days a week.
		This is accomplished with a magnetic amplifier circuit (also an Alexanderson invention) that changes a coupled circuit from being non-resonant in a key down state to being resonant at key up state in order to absorb the radiated load.
	www.jproc.ca /radiostor/aalt.html (892 words)

	What did ernst alexanderson invent: Broadcast history. Alexanderson (Site not responding. Last check: )
		What did ernst alexanderson invent few things in mind here - when Ernst Alexanderson was working at GE and tinkered only memory of what their great great great relative looked like or did.
		What did ernst alexanderson invent voices and music from the air; what he did was send wireless telegraph signals.
		What did ernst alexanderson invent Ernst Alexanderson would invent the high-frequency alternator that enabled the command the spotlight the way Jack Welch did, and he probably never will.
	s5-287.w.minminmini.org /s5-291.html (447 words)

	A
		He was a pioneer in radio and television.
		He developed the Alexanderson high-frequency alternator for transoceanic radio communication, a multiple-tuned antenna, and a color television receiver.
		Alexanderson was a graduate of the Royal Institute of Technology in Stockholm, Sweden.
	members.tripod.com /slalli/a.htm (1522 words)

	(SAQ Grimeton, a 17 kHz World Heritage)
		Ernst Fredrik Werner Alexanderson (1878-1975) was born in Sweden, graduated at the Royal Technical Institute (KTH) in Stockholm and emigrated to the United States in 1901.
		Ernst Fredrik Werner Alexanderson designed electromechanical HF alternators, one of which was used for early broadcast experiments.
		Ernst Fredrik Werner Alexanderson (1878-1975) was born in Sweden and emigrated to the United States in 1901.
	www.sk0mt.net /engsaq.html (2985 words)

	ERNST ALEXANDERSON im Online Lexikon (Site not responding. Last check: )
		Alexanderson war kurze Zeit bei General Electric angestellt, als GE einen Auftrag vom in Kanada geborenen Professor und Forscher Reginald Fessenden erhielt, einen Maschinensender für Langwellensender zu bauen, einen sogenannten Alternator, der 1000mal stärker sein sollte als existierende.
		Zwei Jahre später, 1906, stellte Dr. Alexanderson den fertiggestellten Alexanderson Alternator vor, der in Fessendens Funkstation in Brant Rock (Massachusetts) installiert wurde.
		Alexanderson blieb bis ins hohe Alter aktiv und arbeitete in den 1950er Jahren als Berater für GE und die Radio Corporation of America.
	www.skyrocking.de /visilex.php/vc/9/visilex_key/Ernst_Alexanderson (317 words)

	CBS6 Albany (Site not responding. Last check: )
		The initial home television reception over the air took place in Alexanderson's home in 1927, but the first public demonstration and WRGB's birth date was January 13, 1928 as the first experimental television program was broadcast and shown in Dr. Alexanderson's home at 1132 Adams Road in Schenectady, New York.
		In Alexanderson's laboratory, witnesses saw a mechanical device, large and clumsy with a tiny screen and a perforated "rotating scanning disc.
		Our founder, E.F.W. Alexanderson, remembered the presentation as "a little drama, a playlet, that was not a great work of art by any means." The director was a man brought up from New York City especially to work on the play.
	www.wrgb.com /community_history.shtml (4112 words)

	ARRLWeb: Alexanderson SAQ station placed on UNESCO World Heritage List
		On 2004 Alexanderson Day July 4, the 80-year-old 200 kW Alexanderson alternator (see photo by Bengt A Lundberg/Swedish National Heritage Board)--with its multiple-tuned antenna--transmitted a celebration message on 17.2 kHz.
		Ernst Alexanderson was born in Sweden in 1878 and emigrated to the US in 1901.
		After his death in 1975, Alexanderson was inducted into the US National Inventors Hall of Fame.
	www.arrl.org /news/stories/2004/08/04/1 (375 words)

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