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| Time line biographical | ||
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| History Tlc | ||
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|  | Edwin Howard Armstrong |  |
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| New York 18.12.1890 New York 01.02.1954 | |||
| Circuits or
regeneration receiver reaction Radio FM (FREQUENCY MODULATION) | ||||
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| | Inventor of radio receiver reaction, and modulation frequency. Entered into conflict with large companies that accused American radio to exploit its patent, and suicide throwing itself from 13 th floor of a building on East River | |