Electric lamp and discharge devices: systems – Current and/or voltage regulation – Automatic regulation
Patent
1991-02-19
1993-04-20
Dzierzynski, Paul M.
Electric lamp and discharge devices: systems
Current and/or voltage regulation
Automatic regulation
315307, 315208, 315224, H05B 3702
Patent
active
052045870
ABSTRACT:
A fluorescent lamp power control having an input conditioning section, a lamp driver section, and a power command interface and control section to control power to fluorescent lamps. An external power command input is compared to an internally generated, computed power level and an electronic preregulator is controlled to regulate amp power. The preregulator output voltage and lamp driver current are multiplied to obtain a signal indicative of lamp power. A power command interface isolates the external power command input. Fluorescent lamp dimming is achieved by reducing the external power command input signal, reducing the power delivered to the fluorescent lamps.
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Advance Information ML4813 Buck-Boost Power Factor Controller.
SG1595/SG1495 Four-Quadrant Multiplier.
Burke Robert V.
Mortimer George W.
Dzierzynski Paul M.
MagneTek, Inc.
Ratliff R. A.
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