Inverter driving scheme

Details Inverter driving scheme Inverter driving scheme

1996-05-03

1998-04-21

Pascal, Robert

Electric lamp and discharge devices: systems

Current and/or voltage regulation

Automatic regulation

315219, 315224, 315209R, 315DIG4, G05F 100

Patent

active

057421340

ABSTRACT:
An inverter for powering a lamp at deep dim levels. Inverter driving circuitry includes a feedback loop which compares desired dim level to signal representing actual lamp power consumption. Reproducibility of desired lighting conditions for different types of lamps powered by the same ballast over a wide range of temperatures is also provided.

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patent: 5030887 (1991-07-01), Guisinger
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patent: 5373435 (1994-12-01), Jayaraman et al.
patent: 5550437 (1996-08-01), Hopkins et al.
patent: 5550438 (1996-08-01), Reijnaerts
patent: 5559395 (1996-09-01), Venkitasubrahmanian et al.
patent: 5559396 (1996-09-01), Bruning et al.

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