Solar powered rainbow maker
US7153022B2 · kind B2 · utility
3Cited by
10References
30Claims
0Family size
Inventor
Key dates
| Filing date | Jul 29, 2002 |
| Grant date | Dec 26, 2006 |
| Priority date | — |
| Expiry date | Dec 4, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F19/02
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.