Solar powered diffractor

Details Solar powered diffractor Solar powered diffractor

1991-07-09

1992-01-07

Arnold, Bruce Y.

Optical: systems and elements

Light dispersion

248131, 362806, F21V 502

Patent

active

050796453

ABSTRACT:
A solar powered ornamental light pattern producing device which produces visually pleasing patterns of light, composed of a housing, a pair of photo-voltaic devices connected with the housing, a shaft rotatably connected with the housing and rotated by the photo-voltaic devices, a pedestal connected with a distal end of the shaft, a flat mirror located on the pedestal, and a multi-faceted crystal which is located upon the flat mirror. When sunlight strikes the solar cells of the photo-voltaic devices a mechanical linkage with the photo-voltaic devices causes the shaft to rotate. As the shaft rotates, the various facets of the crystal are rotated, causing sunlight reflected off the mirror and interacting with the crystal, and sunlight directly interacting with the crystal, to be refracted and reflected into a whole host of pleasing patterns and colors.

REFERENCES:
patent: 1440518 (1923-01-01), Wood
patent: 3531636 (1970-09-01), Birch
patent: 3610918 (1971-10-01), Barlow
patent: 4102121 (1978-07-01), Veazey
patent: 4250537 (1981-02-01), Roegner et al.

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