Rainbow forming device

Details Rainbow forming device Rainbow forming device

1989-07-24

1990-09-11

Lee, John D.

Illumination

Supported by vehicle structure

Condition responsive

350 9610, 350 9618, 350 9624, 362 32, 362339, G02B 634

Patent

active

049559753

ABSTRACT:
A rainbow forming device includes a light guide for transmitting visible light therethrough and a prism having a cross-section of a substantially equilateral triangle for splitting the light into a series of colors of the spectrum to form a rainbow. A light-emitting end of the light guide is set with its axis perpendicular to the prism's first edge. The visible light emitted from the light guide's end passes through the prism along the path from prism's first vertex including the prism's first edge to said prism's second vertex and the light split into colors of the spectrum are emitted from the prism's third vertex and forms a rainbow.

REFERENCES:
patent: 1981999 (1932-08-01), French
patent: 4214297 (1980-07-01), Kuhn et al.
patent: 4223216 (1980-09-01), Quick et al.
patent: 4389085 (1983-06-01), Mori
patent: 4411490 (1983-10-01), Daniel
patent: 4557055 (1985-12-01), Arai
patent: 4681402 (1987-07-01), Tiffany
patent: 4798444 (1989-01-01), McLean
patent: 4849866 (1989-07-01), Mori

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