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United States Utility Patents
5,047,690 - 5,047,699

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NumberTitle
5,047,690 Inverter power supply and ballast circuit
5,047,691 High-pass t-networks with integral transformer for gaseous discharge lamps
5,047,692 Integrated tuning capacitor network and heat sink for an electrodeless high intensity discharge lamp ballast
5,047,693 Starting aid for an electrodeless high intensity discharge lamp
5,047,694 Lamp starting circuit
5,047,695 Direct current (DC) acoustic operation of xenon-metal halide lamps using high-frequency ripple
5,047,696 Power-limited ceiling lighting system
5,047,697 Dual axis dynamic focus of an electron beam in a display monitor
5,047,698 High voltage shutdown circuit
5,047,699 VSCF start system motor current estimator



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