Driving scheme for a high intensity discharge ballast down conve

Details Driving scheme for a high intensity discharge ballast down conve Driving scheme for a high intensity discharge ballast down conve

1992-10-29

1994-11-29

Pascal, Robert J.

Electric lamp and discharge devices: systems

Current and/or voltage regulation

Automatic regulation

315224, 315209R, 315DIG7, H05F 100

Patent

active

053693400

ABSTRACT:
A driving scheme for a high intensity discharge lamp. The driving scheme eliminates the need for a level shifter by requiring only one reference level in determining the level of current to be produced by the down converter. The down converter has a substantially constant D.C. voltage input and consumes a relatively low amount of fixed power relative to the load attached across the output of the down converter.

REFERENCES:
patent: 4914356 (1990-04-01), Cockram
patent: 5051665 (1991-09-01), Garrison et al.
patent: 5235255 (1993-08-01), Blom

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