Circuit arrangement and method for operating at least one...

Details Circuit arrangement and method for operating at least one... Circuit arrangement and method for operating at least one...

2006-12-05

2011-11-29

Chang, Daniel D (Department: 2819)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

Plural load device regulation

C315S244000

Reexamination Certificate

active

08067899

ABSTRACT:
A circuit arrangement for operating at least one first and second lamp each provided with a first and second coil electrode includes a first and second terminal for the first coil electrode of the first lamp, a first and second terminal for the second coil electrode of the first lamp, a first and second terminal for the first coil electrode of the second lamp, a first and second terminal for the second coil electrode of the second lamp, at least one supply connection for supplying voltage to the respective first coil electrode of the at least one first and second lamp, and at least one preheating device for the respective first coil electrode of the at least one first and second lamp. The second terminal of the first coil electrode of the first lamp is coupled to the second terminal of the first coil electrode of the second lamp while the preheating device encompasses a first preheating inductor and a second preheating inductor.

REFERENCES:
patent: 4006384 (1977-02-01), Elms et al.
patent: 5331253 (1994-07-01), Counts
patent: 5422546 (1995-06-01), Nilssen
patent: 6326740 (2001-12-01), Chang et al.
patent: 7675242 (2010-03-01), Longhino et al.
patent: 196 34 850 (1998-03-01), None
patent: 699 16 251 (2005-03-01), None

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