Incandescent ballast assembly

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Filament or electric heater in series with a discharge...

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315101, 315105, 315179, H01J 744

Patent

active

044940416

ABSTRACT:
Apparatus for use with a fluorescent lamp having a longitudinal axis and a filament winding at each end includes a pair of terminals formed for connection to a potential source with means for connecting one of the terminals to a filament winding, an incandescent lamp coupling the other terminal to the filament winding at the other end of the fluorescent lamp, a starting aid extending along the longitudinal axis of the fluorescent lamp and an impedance coupling the starting aid to the junction of the incandescent lamp and a filament winding of the fluorescent lamp.

REFERENCES:
patent: 4268780 (1981-05-01), Roche et al.
patent: 4297616 (1981-10-01), Corona
patent: 4350929 (1982-09-01), Katoogi
patent: 4358710 (1982-11-01), Magai

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