Solar powered rainbow maker

Details Solar powered rainbow maker Solar powered rainbow maker

2006-12-26

2006-12-26

O'Shea, Sandra (Department: 2875)

Horology: time measuring systems or devices

Oscillating or reciprocating means

Pendulum type

C368S134000, C368S327000

Reexamination Certificate

active

07153022

ABSTRACT:
A crystal display device is disclosed wherein a vertically arranged photovoltaic cell, main device housing—encasing an electric motor and transmission—, and a refractory crystal suspended below is rotated so as to provide multi-colored displays upon room walls and other surfaces when exposed to sunlight. A preferred embodiment of the device utilizes a suction cup to retain the device housing in the afore-mentioned vertical alignment against the inside of a selected window.

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patent: 2074770 (1981-11-01), None
Radin, Shelden H., Physics for Scientists and Engineers, By Prentice-Hall Inc. , 1982, pp. 727-728.

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