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| | Edwin
Howard Armstrong
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New York 18.December.1890
New York
01.February.1954 | |
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Brief
biographical history |
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1890 | | Born
in New York on December 18 His mother, Emily Smith Armstrong, had been
a teacher in the public schools and his father, John Armstrong, was
vice president of the United States branch of the Oxford University
Press. (1) | |
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| 1912 |
| Received graduate degree in electrical
engineering from Columbia University. | |
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| 1914 | | Patent
the Circuit regeneration or receiver reaction |
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| 1917 | |
Military service in Paris | |
| | | September 10 is promoted to the rank of captain |
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| 1918 | | Promoted to Major of the USA |
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| 1919 | | He teaches at the School of Engineering of
Columbia
University | |
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| 1923 | | Armstrong marries the secretary of David Sarnoff,
Marion
Mac Innis, December 1, 1923. |  |
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| 1933 | | Patent
system Fm radio (frequency modulation) |
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| 1954 | |
February 1 dies suicide. |
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| note : |
| 1) fonts
:http://www.smart90.com/armstrong | |
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