Discharge lamp ballast

Details Discharge lamp ballast Discharge lamp ballast

1980-12-29

1982-11-09

Dixon, Harold A.

Electric lamp and discharge devices: systems

Condenser in the supply circuit

Condenser in shunt to the load device and the supply

315244, 315DIG7, H05B 3700

Patent

active

043587127

ABSTRACT:
Circuit for starting and operating a gas discharge lamp. The circuit includes a resonant circuit having a high Q during both starting and operating conditions of the lamp, thereby permitting a high lamp operating voltage to be obtained from a relatively low voltage power supply. The circuit comprises a power supply, an inductor-capacitor series-resonant circuit connected across the power supply terminals, and a lamp circuit connected in parallel with the capacitor of the series-resonant circuit, wherein the lamp circuit comprises a second capacitor connected in series with a gas discharge lamp.

REFERENCES:
patent: 2301891 (1942-11-01), Lecorguillier
patent: 2659037 (1953-11-01), Claude
patent: 3753037 (1973-08-01), Kaneda et al.
patent: 4060752 (1977-11-01), Walker

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