Electronic ballast for a high-pressure discharge lamp having...

Details Electronic ballast for a high-pressure discharge lamp having... Electronic ballast for a high-pressure discharge lamp having...

2006-02-03

2009-06-02

Owens, Douglas W. (Department: 2821)

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Silicon controlled rectifier ignition

C315S291000, C315S224000, C315S360000

Reexamination Certificate

active

07541744

ABSTRACT:
The invention relates to an electronic ballast and to an operating method for high-pressure discharge lamps. During a current measurement, in particular for current regulation, only switching phases of a specific polarity of the current are taken into consideration.

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