Electric discharge lamp arrangement and headlamp for motor vehic

Details Electric discharge lamp arrangement and headlamp for motor vehic Electric discharge lamp arrangement and headlamp for motor vehic

1990-10-15

1992-06-23

Lazarus, Ira S.

Illumination

Light source and modifier

Ionized gas or vapor light source

362 61, 362263, 315 85, F21K 700

Patent

active

051248956

ABSTRACT:
A headlamp for a motor vehicle comprises a power unit including an inverter, a starting circuit connected to the inverter, an electric discharge lamp bulb connected to the starting circuit, and a shell for holding the starting circuit and the electric discharge lamp bulb. A lens and a cap are fixedly mounted to the shell at the front and rear open ends thereof, respectively. The shell and the cap are coated with a metal film to provide shielding from radio noise due to high frequency pulses.

REFERENCES:
patent: 4316240 (1982-02-01), Pitkjaan et al.
patent: 4477863 (1984-10-01), Walz
patent: 4714986 (1987-12-01), Wurster
patent: 4772989 (1988-09-01), Haraden
patent: 4920459 (1990-04-01), Rothwell, Jr. et al.
patent: 5006763 (1991-04-01), Anderson

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