Lighting device for a dielectric barrier discharge lamp

Details Lighting device for a dielectric barrier discharge lamp Lighting device for a dielectric barrier discharge lamp

2006-09-19

2006-09-19

Tran, Thuy Vinh (Department: 2821)

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Impedance or current regulator in the supply circuit

C315S246000, C315S291000, C315S307000, C315SDIG002

Reexamination Certificate

active

07109666

ABSTRACT:
A lighting device for dielectric barrier discharge lamp according to the embodiment of the present invention includes a pulse number judging circuit16. The judging circuit16is supplied with a dimming control signal LCS designating a dimming ratio of a discharge lamp as an input signals and judges a number of the drive signal pulses per unit time corresponding to the dimming ratio from the dimming control signal LCS. The judging circuit16then outputs the result as the pulse number setting signal. The lighting device includes a drive signal generating signal18, which is supplied with the pulse number setting signal and outputs the drive signal pulse of the prescribed number of pulse per unit time designated by the number of the pulse setting signal. The lighting device further includes an inverter circuit10, which is supplied with the output of the drive signal generating circuit18and generates HF pulse for driving the dielectric barrier discharge type fluorescent lamp.

REFERENCES:
patent: 5583402 (1996-12-01), Moisin et al.
patent: 6084360 (2000-07-01), Yokokawa et al.
patent: 6583568 (2003-06-01), O'Meara
patent: 6788006 (2004-09-01), Yamamoto

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