System for lighting fluorescent lamps

Details System for lighting fluorescent lamps System for lighting fluorescent lamps

1988-02-10

1990-08-07

Boudreau, Leo H.

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Plural load device systems

315291, 315DIG5, 315DIG7, 315219, 315 97, 315 98, H05B 3700

Patent

active

049470868

ABSTRACT:
A system for lighting fluorescent lamps, includes a plurality of fluorescent lamps, a transformer for generating filament voltage and a starting voltage for the fluorescent lamps, a switching circuit for sequentially and periodically opening and closing a plurality of its contacts and a driving circuit for electrically biasing the transformer and the switching circuit. A starting voltage is sequentially applied to the fluorescent lamps which are each independently connected to one of the contacts so that the fluorescent lamps may be sequentially turned on.

REFERENCES:
patent: 4075476 (1978-02-01), Pitel
patent: 4082981 (1978-04-01), Morton et al.
patent: 4339690 (1982-07-01), Regan et al.
patent: 4413209 (1983-11-01), Roche
patent: 4661745 (1987-04-01), Citino et al.
patent: 4663566 (1987-05-01), Nagano

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