Lamp reflector

Details Lamp reflector Lamp reflector

1989-08-18

1990-02-27

Hart, Douglas

Illumination

Light modifier

Reflector

362297, 362348, 362350, F21V 700

Patent

active

049051334

ABSTRACT:
A fog lamp reflector includes a reflector body having a reflector surface made up of a series of paraboloid strips arranged side by side along a lateral direction. Each of the strips defines a respective focus, and all of the focuses coincide at a selected point in space. The strips are aimed at multiple converging directions to laterally disperse reflected light originating at the selected point, and each of the strips defines a respective focal length. The focal lengths of strips progressively farther from the center are progressively greater. The focuses are selected such that adjacent strips are matched in position and the reflector surface is substantially continuous. The reflector surface has a second derivative of lateral displacement with respect to axial displacement which is substantially continuous throughout the reflector surface to provide a visually smooth appearance.

REFERENCES:
patent: 1639363 (1927-08-01), Balsille
patent: 1814326 (1931-07-01), Melton
patent: 2274405 (1940-07-01), Flaherty
patent: 2806134 (1957-09-01), Tarcici
patent: 3337871 (1967-08-01), Greenberg
patent: 3758770 (1973-09-01), Morasz
patent: 4028542 (1977-06-01), McReynolds, Jr.
patent: 4149227 (1979-04-01), Dorman
patent: 4293900 (1981-10-01), Dziubaty
patent: 4447865 (1984-05-01), VanHorn et al.
patent: 4494176 (1985-01-01), Sands et al.

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