File:Сравнение ИС Джонсона 1953 и Килби 1958.png
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Summary
| Description |
Сравнение схем генератора по патенту Джонсона 2816228 (заявка 21 мая 1953) и по патенту Килби 3138743 (заявка 6 февраля 1959) Comparison of oscillator ICs patented by Harwick Johnson (filed May 21, 1953) and Jack Kilby (filed Feb 6, 1959). |
| Date | 1.5.2012 |
| Source | Own work |
| Author | Retired electrician based on US patents 2816228 and 3138743 |
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This file is ineligible for copyright and therefore in the public domain because it consists entirely of information that is common property and contains no original authorship. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:45, 7 May 2012 | | 1,531 × 629 (146 KB) | wikimediacommons>Retired electrician | axonometric better |
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