Variable arc electronic ballast with continuous cathode heating

Details Variable arc electronic ballast with continuous cathode heating Variable arc electronic ballast with continuous cathode heating

1994-01-19

1996-01-09

Pascal, Robert J.

Electric lamp and discharge devices: systems

Current and/or voltage regulation

Automatic regulation

315 95, 315DIG7, 315114, 315118, 315100, H05B 3702

Patent

active

054831270

ABSTRACT:
A fluorescent lighting control system providing automatic and/or manual adjustability of the arc current(s) in one or more fluorescent lamps to permit operation of the lamps at less than rated wattage, and its concomitant luminous flux, in interior building spaces where full light output of the installed lamp(s) is rarely required particularly when daylight components are present. The goal(s) of this invention is to provide means to reduce wasteful electrical consumption in buildings and thereby reduce operating costs and gain the attendant benefit of dampening the increasing need for more electrical generation with its concomitant environmental pollution problem.

REFERENCES:
patent: 3567995 (1971-03-01), Lauritzen
patent: 3659147 (1972-04-01), Widmayer
patent: 4253048 (1981-02-01), Osako
patent: 4277728 (1981-07-01), Stevens
patent: 4399391 (1983-08-01), Hammer et al.
patent: 4484107 (1984-11-01), Kaneda
patent: 4682080 (1987-07-01), Ogawa et al.
patent: 4847537 (1989-07-01), Ueda et al.
patent: 5179326 (1993-01-01), Nilssen
patent: 5220250 (1993-06-01), Szuba

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