Circuit arrangement

Details Circuit arrangement Circuit arrangement

2007-08-21

2007-08-21

Philogene, Haissa (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

C315S2090SC, C315S224000, C315S307000, C315S290000, C315SDIG002, C315SDIG002

Reexamination Certificate

active

10543952

ABSTRACT:
In a bride circuit comprising a lamp choke that might partially saturate during the ignition of the lamp, at least one of the switches is switched off when the amount of charge displaced through it in forward direction equals a predetermined value. Despite the partial paturation of the lamp choke the amplitude of the ignition voltage is thereby effectively controlled.

REFERENCES:
patent: 4535399 (1985-08-01), Szepesi
patent: 5717295 (1998-02-01), Nerone
patent: 5739644 (1998-04-01), Bernitz et al.
patent: 6002214 (1999-12-01), Ribarich
patent: 6008592 (1999-12-01), Ribarich
patent: 6020689 (2000-02-01), Gradzki et al.
patent: 6949888 (2005-09-01), Ribarich
patent: 0806888 (1997-11-01), None

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