Overvoltage and thermally protected electronic ballast

Details Overvoltage and thermally protected electronic ballast Overvoltage and thermally protected electronic ballast

1994-12-02

1998-01-20

Pascal, Robert

Electric lamp and discharge devices: systems

Current and/or voltage regulation

Automatic regulation

315291, 315225, 315209R, 315DIG7, G05F 100

Patent

active

057104891

ABSTRACT:
An inverter-type electronic fluorescent lamp ballast has means to disable inverter operation in case of an overvoltage condition and/or in case its internal temperature were to exceed a safe level, thereby to provide automatic protection against damage that might otherwise result from excessive voltage and/or temperatures.

REFERENCES:
patent: 3889153 (1975-06-01), Pierce
patent: 4008414 (1977-02-01), Agnew
patent: 4207497 (1980-06-01), Capewell et al.
patent: 4370600 (1983-01-01), Zansky

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