Light charged celestial simulation device

Details Light charged celestial simulation device Light charged celestial simulation device

1984-08-09

1986-02-04

Grieb, William H.

Education and demonstration

Science

Astronomy

40430, G09B 2700

Patent

active

045682879

ABSTRACT:
A body portion of non-luminous material has an enlarged surface area on which design elements are applied of luminous material. The design elements are shaped to depict celestial bodies and the arrangement is such that when these design portions are charged by light, they will glow in the dark so that in an overhead position a nocturnal celestial appearance is provided. The body portion can consist of a double layer of material and the design elements confined between the two layers. A support for the body portion may include an electric motor for rotating the body portion to simulate rotation of the earth.

REFERENCES:
patent: 29292 (1860-07-01), Monteith
patent: 3251143 (1966-05-01), Eisenhauer
patent: 3473428 (1969-10-01), Phillips
patent: 3711697 (1973-01-01), Boyle
patent: 4207696 (1980-06-01), Hyman et al.
patent: 4250537 (1981-02-01), Roegner
patent: 4307528 (1981-12-01), Dewees et al.
patent: 4345395 (1982-08-01), Grassi
Reference Guide Sheet from OMSI, Portland, Oregon, Copyright 1978, L. Deckman, published by Hansen Planetarium, Salt Lake City, Utah.

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