Vehicle headlight having dual filament tungsten halogen lamp

Details Vehicle headlight having dual filament tungsten halogen lamp Vehicle headlight having dual filament tungsten halogen lamp

1980-08-11

1982-03-09

Segal, Robert

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

Reflector

362211, 362267, H01J 516

Patent

active

043191568

ABSTRACT:
A tungsten-halogen incandescent lamp which includes a vitreous envelope, an inert gas and halogen fill, and two pairs of straight, parallel lead-in wires retained within the envelope's press-sealed end, each of said pairs having a tungsten filament supported thereon within the envelope. The pairs of wires occupy respective parallel planes within the press-sealed end with one pair laterally offset from the other. A method for making the lamp is also disclosed, in addition to a vehicle headlight particularly suited for utilizing the lamp.

REFERENCES:
patent: 3917939 (1975-11-01), Schmidt et al.
patent: 3979627 (1976-09-01), Leadvaro et al.
patent: 4028577 (1977-06-01), Gates et al.
patent: 4140939 (1979-02-01), Bonazoli et al.
patent: 4149103 (1979-04-01), Gates et al.
patent: 4166232 (1979-08-01), Kimball et al.
patent: 4181869 (1980-01-01), Warren et al.

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