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Edwin
Howard
Armstrong
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DOCUMENTS
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1913 |
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Brevet
Circuit de
régénération ou écouter
à
réaction
Regenerative, or feed-back, patent.
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1916 |
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Une
note transmise d'Armstrong
(président du Club radioamateurs de New york de 1916
à
1920) au secrétaire David S. Brown, Jr. Dans la liste des
membres inscrit il contient beaucoup de noms influents du secteur.
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1917 |
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1918 |
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10
octobre
1918
Mémorandum
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1919 |
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(US1342885
FR501511 GB 137271) (3)
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1920 |
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1921 |
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1922 |
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1923 |
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1924 |
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1930 |
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1934 |
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1935 |
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1938 |
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1954 |
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1960 |
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