Optical instrument for producing artificial rainbows

Details Optical instrument for producing artificial rainbows Optical instrument for producing artificial rainbows

1991-03-08

1992-09-08

Henry, Jon W.

Optical: systems and elements

Light dispersion

359503837, G02B 504, G02B 718, G02B 2700

Patent

active

051463644

ABSTRACT:
This invention is directed to an optical instrument including a prism and a convex reflective surface for producing artificial rainbows which is used for a display in halls of entertainment as well as in shops and for interior decoration. Comparatively small optical instruments can also be used as a toy.

REFERENCES:
patent: 4214297 (1980-07-01), Kuhn et al.
patent: 4557055 (1985-12-01), Arai
patent: 4681402 (1987-07-01), Tiffany
patent: 4849866 (1989-07-01), Mori

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