Metal vapor discharge lamp

Details Metal vapor discharge lamp Metal vapor discharge lamp

1989-05-18

1990-11-20

Pascal, Robert J.

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Discharge device load

315 73, 315240, H05B 4100

Patent

active

049721216

ABSTRACT:
A metal vapor discharge lamp of the type comprising a translucent outer bulb that houses an arc tube and a starter which is connected in parallel to the arc tube and which includes a nonlinear capacitor, at least one of the lead wires of the nonlinear capacitor being connected to a support line whose thickness is such that it does not obstruct the oscillation due to any electrostriction of the nonlinear capacitor and such that it fuses whenever a large current flows through the nonlinear capacitor. Due to this construction, the oscillation of the nonlinear capacitor is not obstructed, so that a high-voltage pulse can be generated and the noise level lowered. Furthermore, since the support line is designed to be fused by a large electric current, thus breaking the electric circuit, any burning of the ballast can be prevented.

REFERENCES:
patent: 4897576 (1990-01-01), Iida et al.

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