Fluorescent tube ignitor

Details Fluorescent tube ignitor Fluorescent tube ignitor

1985-02-01

1987-05-05

Dixon, Harold

Electric lamp and discharge devices: systems

With cathode or cathode heater supply circuit

Plural load device systems

315 98, 315105, 315161, 315DIG5, H05B 3900

Patent

active

046635661

ABSTRACT:
The preferred embodiment provides such a fluorescent tube ignitor having a plurality of auxiliary electrodes provided in the periphery of the tube wall of each fluorescent tube, while the potentials of these auxiliary electrodes are set at a specific level equal to or lower than those of the low-voltage-applied filament circuits of each fluorescent tube. Integration and simplification of the preheat circuit at one-end of respective fluorescent tubes securely realizes a still smaller size of the ignitor, cost reduction, suppression of noise interference, and easier and faster start of illumination.

REFERENCES:
patent: Re31146 (1983-02-01), Gyursanszky
patent: 2504549 (1950-04-01), Lemmers
patent: 2849656 (1958-08-01), Karash
patent: 3141112 (1964-07-01), Eppert
patent: 3304464 (1967-02-01), Feinberg
patent: 3305697 (1967-02-01), Neusbaum
patent: 3418527 (1968-12-01), Miller
patent: 3463964 (1969-08-01), Privett et al.
patent: 3754160 (1973-08-01), Jensen
patent: 4004184 (1977-01-01), Ott
patent: 4158793 (1979-06-01), Lewis
patent: 4189663 (1980-02-01), Schmutzer
patent: 4277726 (1981-07-01), Burke

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