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Aide-de-camp to Field Marshal Haig ; At a tank demonstration, 1916
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| Number | Title | Issue Date |
| 6867645 | Method and apparatus for providing pulse width modulation A pulse width modulation scheme allows the creation of a unipolar pulse width modulated output signal. Two switching circuits (104, 204), preferably different legs of an inverter circuit, can operate to not only modulate an input voltage but also to reverse t... | 03/15/2005 |
