Negative glow discharge lamp device

Details Negative glow discharge lamp device Negative glow discharge lamp device

1989-03-09

1991-08-20

Mis, David

Electric lamp and discharge devices: systems

Discharge device and/or rectifier in the supply circuit

Flashers

315 59, 315326, 315358, H05B 4118

Patent

active

050417657

ABSTRACT:
A negative glow discharge lamp device has a discharge container enclosing at least a rare gas, a hot cathode disposed in the discharge container and coated with a thermion radiation matter, and an anode located in a negative glow domain formed between the anode and the hot cathode in the discharge container, a power conversion circuit for driving the lamp device includes a rectifier directly connected at its d.c. output terminals to the hot cathode and the anode respectively for supplying d.c. electric power to the discharge container, and a capacitor ballast connected between a power supply terminal of an a.c. power source and an a.c. input terminal of the rectifier for controlling discharge current in the discharge container.

REFERENCES:
patent: 4001637 (1977-01-01), Gray
patent: 4879493 (1989-11-01), Matsuno et al.

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