Discharge lamp lighting device

Details Discharge lamp lighting device Discharge lamp lighting device

1999-09-20

2000-09-12

Philogene, Haissa

Electric lamp and discharge devices: systems

Condenser in the supply circuit

Inductance in the condenser circuit

315209R, 315200R, 315171, 315224, H05B 3700

Patent

active

061182249

ABSTRACT:
A discharge lamp lighting device includes an inverter circuit connected through a first impedance element across output ends of a rectifier rectifying an AC source power, a smoothing capacitor inserted through a discharging diode in a power supply path to the inverter circuit, and a series circuit of a second impedance element, discharge lamp and inductor and connected between an output end of the inverter circuit and one output end of the rectifier, wherein a path for charging the smoothing capacitor is formed through a switching element included in the inverter circuit, and the discharging diode.

REFERENCES:
patent: 5063490 (1991-11-01), Maehara et al.
patent: 5170099 (1992-12-01), Ueoka et al.
patent: 5764496 (1998-06-01), Sato et al.
patent: 5771159 (1998-06-01), Sako et al.
patent: 5914572 (1999-06-01), Qian et al.

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