Fluorescent ballast with unique dimming control

Details Fluorescent ballast with unique dimming control Fluorescent ballast with unique dimming control

2005-03-24

2008-07-08

Tran, Thuy V. (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

Automatic regulation

C315S2090SC, C315S291000, C315SDIG002

Reexamination Certificate

active

07397203

ABSTRACT:
A ballast includes circuitry to allow the level of the lighting to be adjusted as well as circuitry that interfaces the ballast to a control system via the power line. The ballast is provided for adjusting the output by using a conventional triac phase chop dimming circuit. The basic concepts of the circuit can also be used to drive flat panel (electro luminescent) light source.

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