Electric lamp and discharge devices: systems – Current and/or voltage regulation – Automatic regulation
Patent
1985-04-29
1987-06-30
Boudreau, Leo H.
Electric lamp and discharge devices: systems
Current and/or voltage regulation
Automatic regulation
315289, 315276, 336219, H05B 3703, H05B 4100
Patent
active
046773487
ABSTRACT:
A circuit for the efficient generation of high voltage pulses for the initiation of conduction in gaseous discharge lamps, the effective suppression of potentially harmful voltage surges resulting from derangement of one or more electrical, current-carrying mechanical, or mechanical components within the overall gaseous discharge lighting apparatus, and reduction of radio frequency interference resulting from the normal and deranged operation of the overall gaseous discharge lighting apparatus. The ignitor/suppressor includes a semiconductor switching device, a capacitor of special characteristics, a transformer of special construction, and a resistor for the generation of high voltage pulses. The ignitor/suppressor also includes a semiconductor switching device, a capacitor of special characteristics, and a resistor for the effective suppression of abnormally high voltages. The circuit configuration of the ignitor/suppressor eliminates any corona-discharge induced insulation damage within the ballasting apparatus normally employed with gaseous discharge lamps. Features of its construction eliminate any corona-induced insulation damage within the ignitor/suppressor itself.
REFERENCES:
patent: 3675077 (1972-07-01), Minks
patent: 3763396 (1973-10-01), Shilling
patent: 4296358 (1981-10-01), Bernier
patent: 4327349 (1982-04-01), Ettinger et al.
patent: 4334254 (1982-06-01), Baker et al.
patent: 4403173 (1983-09-01), Mayer
patent: 4461982 (1984-07-01), Fahnrich
patent: 4527098 (1985-07-01), Owen
Boudreau Leo H.
Ptak LaValle D.
Salindong Theodore
Starter Systems, Inc.
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