High pressure discharge lamp with incorporated starter

Details High pressure discharge lamp with incorporated starter High pressure discharge lamp with incorporated starter

1982-02-18

1986-01-28

Chatmon, Saxfield

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Filament, electric heater, or resistance in shunt with the...

361118, 315 46, 315 73, 315 74, 315289, 315290, H01J 744, H01J 1734, H01J 1978, H01J 2996

Patent

active

045674035

ABSTRACT:
In a high pressure discharge lamp device provided with an inductive stabilizer and a starting circuit consisting of a serial circuit of a resistor and a bimetal switch, a pulse waveform conversion circuit is arranged therein to reduce the pulse peak of the starting voltage and also broaden the pulse width of the starting voltage. The pulse waveform conversion circuit comprises a serial circuit of a resistor and a switching element, such as micro-gap element, which operates at a voltage lower than the starting voltage of the discharge lamp but higher than the secondary load-free voltage of the stabilizer.

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patent: 4322658 (1982-03-01), Minarczyk
patent: 4379982 (1983-04-01), Proud
patent: 4400754 (1983-08-01), Schweickardt

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