Electric lamp and discharge devices: systems – Current and/or voltage regulation
Reexamination Certificate
2008-05-06
2008-05-06
Vo, Tuyet (Department: 2821)
Electric lamp and discharge devices: systems
Current and/or voltage regulation
Reexamination Certificate
active
11505910
ABSTRACT:
A protection circuit for an HID dimming circuit is provided. A resistive component limits the initial current after a relay closes and current flows from a charged capacitor to a second capacitor. An inductive component limits the rate of change of current through the circuit. A voltage limited device limits voltage across the contacts of a solid state relay. The circuit is preferably formed in a small module that is adapted to be plugged into an HID lighting device.
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Hirt Thomas D.
Hudson Christopher A.
'Hubbell Incorporated
A Minh Dieu
Bicks Mark S.
Goodman Alfred N.
Michel Christian C.
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