Method and apparatus for driving a gas discharge lamp

Details Method and apparatus for driving a gas discharge lamp Method and apparatus for driving a gas discharge lamp

1991-06-04

1993-10-05

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

With cathode or cathode heater supply circuit

Pulsating or a.c. supply to the cathode or heater circuit

315107, H05B 3904

Patent

active

052508773

ABSTRACT:
A regulated current source is used to drive the cathodes of a hot cathode gas discharge lamp. In one embodiment, the regulated current source is time shared between the lamp cathodes and the lamp arc.

REFERENCES:
patent: 4177406 (1979-12-01), Hermeyer
patent: 4189663 (1980-02-01), Schmutzer
patent: 4327309 (1982-04-01), Wallot
patent: 4339690 (1982-07-01), Reagan
patent: 4682080 (1987-07-01), Ogawa
patent: 4920299 (1990-04-01), Presz
patent: 4988920 (1991-01-01), Hoeksma
patent: 5021714 (1991-06-01), Swanson
patent: 5041763 (1991-08-01), Sullivan

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