H - Electricity – 05 – B
Patent
H - Electricity
05
B
315/66
H05B 37/02 (2006.01) H05B 41/292 (2006.01) H05F 1/00 (2006.01)
Patent
CA 1250889
ABSTRACT The invention comprises a self-adjusting ballast system for a high intensity discharge lamp. The ballast has a current limiter which modifies the lamp's present duty cycle to prevent damage if bulb rectification or another overcurrent condition occurs. It also has a current integration feedback loop for controlling lamp current during start-up.
521634
Kuhnel Donald S.
Ottenstein Sidney A.
Innovative Controls Inc.
Meredith & Finlayson
LandOfFree
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