Micro-electromechanical system based soft switching
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United States of America Patent
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Dec 15, 2009
Grant Date -
Jun 21, 2007
app pub date -
Dec 20, 2005
filing date -
Dec 20, 2005
priority date (Note) -
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Abstract
A system is presented. The system includes detection circuitry configured to detect occurrence of a zero crossing of an alternating source voltage or an alternating load current. The system also includes switching circuitry coupled to the detection circuitry and comprising a micro-electromechanical system switch. Additionally, the system includes control circuitry coupled to the detection circuitry and the switching circuitry and configured to perform arc-less switching of the micro-electromechanical system switch responsive to a detected zero crossing of an alternating source voltage or alternating load current.
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