Electric lamp and discharge devices: systems – Automatic substitution of the power supply
Reexamination Certificate
2008-07-08
2008-07-08
Tran, Thuy Vinh (Department: 2821)
Electric lamp and discharge devices: systems
Automatic substitution of the power supply
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.
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Garbowicz Glenn
Mayer Thomas
Fineman Marc E.
Levenfeld Pearlstein
Tran Thuy Vinh
Varon Lighting, Inc.
Weinstein Mitchell J.
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