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2013
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Invention
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Electronic control of ac supply.
A power controller having a switchable capacitive load connecta... |
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Invention
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Electronic control of ac supply. A controller for phase control of an AC supply 501, 502 switches... |
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2012
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Invention
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A bilateral switch. A bilateral switch derives internal power for the operation of the switch con... |
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2008
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Invention
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Energy saving lumens settable device for fluorescent lamps.
A circuit to supply an AC voltage to... |
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Invention
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Energy saving lumens settable device for fluorescent lamps. A circuit to supply an AC voltage to ... |
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Invention
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Switching technique for efficient electrical power utilization. An active phase angle correction ... |
