System and method for open lamp protection

Details System and method for open lamp protection System and method for open lamp protection

2006-05-31

2008-09-02

Tran, Thuy Vinh (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

Automatic regulation

C315S362000

Reexamination Certificate

active

07420337

ABSTRACT:
A method for responding to an open lamp condition in a discharge lamp system is disclosed. The method monitors a current feedback signal flowing through a lamp and a voltage feedback signal indicative of a voltage across said lamp. A switch is used to switch between the current feedback signal to the voltage feedback signal upon detection of an open lamp condition.

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