Magnetic ballast for fluorescent lamps

Details Magnetic ballast for fluorescent lamps Magnetic ballast for fluorescent lamps

1993-05-17

1995-02-14

Pascal, Robert J.

Electric lamp and discharge devices: systems

With cathode or cathode heater supply circuit

315106, 315107, 315224, 315244, 315287, H05B 3900

Patent

active

053898575

ABSTRACT:
A low component count and lightweight ballast usable with fluorescent lamp loads of widely different wattage has first and second inductors and first and second capacitors connected in a bridge circuit and can provide current regulation within a few percent for lamp loads between 14 Watt and at least 40 Watt. The two inductors can be wound on a single toroidal core for maximum compactness.

REFERENCES:
patent: 2301891 (1942-11-01), Lecorguillier
patent: 3170085 (1965-02-01), Genuit
patent: 4937502 (1990-06-01), Pro
patent: 5130611 (1992-07-01), Johns

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