Aimable headlamp having a discharge lamp bulb and a lighting cir

Details Aimable headlamp having a discharge lamp bulb and a lighting cir Aimable headlamp having a discharge lamp bulb and a lighting cir

1991-05-15

1992-05-12

Husar, Stephen F.

Illumination

Light source and modifier

Ionized gas or vapor light source

362 61, 362285, 362419, F21K 700

Patent

active

051133300

ABSTRACT:
An aimable vehicular headlamp system has a discharge lamp assembly mounted within a lamp housing via aiming screws. The discharge lamp assembly comprises a paraboloidal reflector, a discharge lamp bulb, and a bulb carrier subassembly electrically coupled to the discharge lamp bulb and mechanically supporting the same in position with respect to the reflector. Also included is a lighting circuit assembly comprising a ballast section for providing a high alternating voltage, and an igniter section electrically connected between the ballast section and the bulb carrier subassembly of the discharge lamp assembly for causing the lamp bulb to glow by an electric discharge. At leeast the igniter section of the lighting circuit is mounted to the lamp housing, with the igniter section electrically connected to the bulb carrier subassembly via flexible conductors of minimal lengths thoroughly disposed within the lamp housing.

REFERENCES:
patent: 4714896 (1987-12-01), Wurster
patent: 4731706 (1988-03-01), Ricard
patent: 4760501 (1988-07-01), de Vrijer
patent: 4823049 (1989-04-01), Sanders et al.
patent: 4845598 (1989-07-01), Watanabe
patent: 4920459 (1990-04-01), Rothwell, Jr. et al.
patent: 5016155 (1991-05-01), Chevance

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