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Swedish-American Electric Engineer. His studies contributed importantly to the development of the radio and television. He developed high-frequency alternators and invented the Amplidyne.
He was born in 1878 in Upsala, Sweden. He graduated in Electric Engineering from the Royal Institute of Technology in Stockholm. After spending some time in Germany to deepen in his studies, he travels to USA in the autumn of 1901. In 1902 he enters in the General Electric Company. In 1906 he designs and built a high-frequency alternator used for voice and music transmission for the first time by radio in Brant Rock, Massachusetts. In that same year, he invented an self-excited alternator. During his whole professional life he developed several high-frequency alternators and devices such as the FAX with which he received more than 350 patents. He died in 1975 in New Jersey (USA). In 1983 he was included in the American Famous Inventors Gallery.
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Orthographe également utilisé:
Alexanderson, Ernest Frederik
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Curriculum Vitae
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* 1878
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Upsala, Sweden
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He was born in Upsala, Sweden
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1900
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Stockholm, Sweden
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He graduates in Electric Engineering from the Royal Institute of Technology in Stockholm and travels to Germany.
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1901
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EE.UU
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In the Autumn of 1901 he travels to EE.UU
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1902
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Schenectady, EE.UU
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He started to work in the General electric Company
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1906
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EE.UU
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He designed and built a High-Frequency alternator for radio transmission and also invented the self-excited alternator.
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1937
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EE.UU
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He invented the Amplidyne.
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1973
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EE.UU
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He obtained his last patent with 95 years old
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14.05.1975
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Schenectady, EE.UU
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He died on May 14th in Schenectady, EE.UU
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1983
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EE.UU
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He was included in the American Famous Inventors Gallery.
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