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| Armstrong return |
| Biographical notes |
| Documents |
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| Bibliography |
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) | |||
| 1912 | Received graduate degree in electrical engineering from Columbia University. | |||
| 1914 | Patent the Circuit regeneration or receiver reaction | |||
| 1917 | Military service in Paris | |||
| September 10 is promoted to the rank of captain | ||||
| 1918 | Promoted to Major of the USA | |||
| 1919 | He teaches at the School of Engineering of Columbia University | |||
| 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) | |||
| 1954 | February 1 dies suicide. | |||
| note : | 1) fonts :http://www.smart90.com/armstrong | |||