Discharge lamp lighting device, lighting system and method

Details Discharge lamp lighting device, lighting system and method Discharge lamp lighting device, lighting system and method

2008-04-29

2008-04-29

Vo, Tuyet (Department: 2821)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Automatic reclosing

C361S042000, C361S065000, C315S058000, C315S291000, C315S307000

Reexamination Certificate

active

11368667

ABSTRACT:
A method and apparatus for protecting a discharge lamp lighting device from damage due to mis-wiring of a source of electrical power to the discharge lamp lighting device. The protection apparatus includes a detector, a comparer and an inhibitor. The detector samples at least one monitor point associated with the discharge lamp lighting device to obtain at least one detection voltage. The comparer compares the at least one detection voltage with a reference voltage. The inhibitor inhibits an operation of the discharge lamp lighting device when the comparer determines that a mis-wiring of the source of electrical power to the discharge lamp lighting device exists.

REFERENCES:
patent: 6657400 (2003-12-01), Konopka et al.
patent: 2007/0188955 (2007-08-01), Elms

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