Programmed start ballast for gas discharge lamps

Details Programmed start ballast for gas discharge lamps Programmed start ballast for gas discharge lamps

2011-07-12

2011-07-12

Vo, Tuyet Thi (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

Automatic regulation

C315S048000, C315S107000, C315S126000, C315S119000

Reexamination Certificate

active

07977894

ABSTRACT:
An electronic ballast has control circuitry to provide a pre-heating signal to the filaments of a gas discharge lamp for a predetermined length of time before the lamp is ignited and, further, cease providing the pre-heating signal after the lamp has been ignited.

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