Device and process for lighting discharge lamp

Details Device and process for lighting discharge lamp Device and process for lighting discharge lamp

1999-06-25

2000-09-05

Philogene, Haissa

Electric lamp and discharge devices: systems

Surge generator or inductance in the supply circuit

Circuit interrupter in the inductance circuit

315278, 315224, 315209R, 315246, 315DIG5, H05B 3700

Patent

active

061148156

ABSTRACT:
A device for lighting a discharge lamp comprises a rectifier, a switching circuit having a semiconductor element to be connected to said rectifier; a direct power supplying circuit having a rectifying circuit and filtering circuit each connected to said switching circuit; and a discharge lamp and a starter which are connected after said filtering circuit; said starter having a transformer and a smoothing capacitor for generating a high voltage is provided, which has a circuit having a switching element and a resistance connected in series provided between the smoothing capacitor and said discharge lamp and further has a second capacitor connected parallel to said discharge lamp.

REFERENCES:
patent: 5173643 (1992-12-01), Sullivan et al.
patent: 5434474 (1995-07-01), Ukita et al.
patent: 5491386 (1996-02-01), Eriguchi et al.
patent: 5502423 (1996-03-01), Okude et al.
patent: 5606227 (1997-02-01), Yamamoto et al.

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