Fluorescent lamp with incandescent ballasting systems

Details Fluorescent lamp with incandescent ballasting systems Fluorescent lamp with incandescent ballasting systems

1980-03-17

1981-10-27

La Roche, Eugene R.

Electric lamp and discharge devices: systems

Plural diverse-type load devices

Series connected diverse-type load devices

315182, 315234, 315290, 315DIG5, 355 70, H05B 3500, H05B 4119

Patent

active

042976162

ABSTRACT:
Ballasting for a fluorescent lamp is provided by one or more incandescent lamps connected in series between the line voltage source and the fluorescent lamp. Lamp operation is initiated by a triggering pulse applied to a conductive member placed adjacent the fluorescent lamp. In one embodiment, a plurality of incandescent lamps are connected in parallel and are selectively gated into the circuit depending upon exposure requirements for the lamp.

REFERENCES:
patent: 2586402 (1952-02-01), Waguet
patent: 2644108 (1953-06-01), Claude
patent: 3268756 (1965-08-01), Dauray
patent: 3813576 (1974-05-01), Caprari
patent: 3826569 (1974-07-01), Sakamaki et al.
patent: 3976910 (1976-08-01), Owens et al.
patent: 4009412 (1977-02-01), Latassa
patent: 4060751 (1977-11-01), Anderson
patent: 4100446 (1978-07-01), Harada et al.
patent: 4100462 (1978-07-01), McLellan
Amick, Fluorescent Lighting Manual, McGraw-Hill, 1947, pp. 52, 53.

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