Operating device and method for operating gas discharge lamps

Details Operating device and method for operating gas discharge lamps Operating device and method for operating gas discharge lamps

2007-07-24

2007-07-24

Owens, Douglas W. (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

C315S307000

Reexamination Certificate

active

11290431

ABSTRACT:
The invention relates to an operating device for operating high-pressure gas discharge lamps. Of particular concern is an operating device having a controller for start-up of high-pressure gas discharge lamps which provides a shorter start-up phase in comparison with the prior art. This is achieved by a lamp state detector which recognizes, after starting, that a hot lamp is present and thereupon increases the start-up current.

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