Auxiliary quartz lamp lighting system for high intensity...

Electric lamp and discharge devices: systems – Automatic substitution of the power supply

Reexamination Certificate

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C315S088000, C315S360000

Reexamination Certificate

active

11469484

ABSTRACT:
The invention comprises an auxiliary lamp controller and related circuits to operate an auxiliary lamp and circuit to light auxiliary lamps at 120 VAC and 50-60 Hz current connected to an electronic HID ballast operating at a frequency of 50-60 Hz to over 400 kHz and voltages of 120-277 VAC or connected to a magnetic HID ballast operating at 120-277 VAC and 50-60 Hz, as provided by a multitap transformer and related circuitry wherein the auxiliary lamp is illuminated during HID lamp phases of being extinguished from loss of power or other reasons, and during cool-down, start-up and warm-up phases of the HID lamp, and the auxiliary lamp is extinguished upon the HID lamp reaching full illumination phase.

REFERENCES:
patent: 3976910 (1976-08-01), Owens et al.
patent: 4996463 (1991-02-01), Horowitz
patent: 5300863 (1994-04-01), Mayer
patent: 5430354 (1995-07-01), Garbowicz et al.
patent: 6072286 (2000-06-01), Sears
patent: 6489729 (2002-12-01), Erhardt et al.
patent: 6703795 (2004-03-01), Johnson
patent: 7139680 (2006-11-01), Orozco

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