Earth photo globe

Illumination – Light source and modifier – Adjustable or repositionable light source or light source...

Patent

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Details

D26118, 362311, 362319, 362361, 362363, 362396, 362809, 434145, 434146, 434153, 434131, F21V 300

Patent

active

044518749

ABSTRACT:
This Earth Photo Globe is characterized in that LANDSAT or other remote sensing geographical indicia is reproduced on the globe sphere with a definition smaller than that resolvable by the unaided human eye. An optical magnifier is mounted above the globe sphere to enable resolution of the full globe definition. A "cloud cover" spherical overlay may surround the sphere and contain a representation of the earth's cloud cover. The magnifier may be supported by this overlay.
Various systems are disclosed for making the Earth Photo Globe. One uses a laser beam that is raster scanned across a photosensitized sphere, and is modulated by LANDSAT pixel data. In another system the LANDSAT data is used to prepare a set of photographic negative images each covering a section of the globe, and each containing alignment and positioning information. These images are projected onto a photosensitized sphere to make the globe.
Several globe-illumination systems are also disclosed, including a diurnal interior lighting assembly and a surface lighting scheme for displaying geopolitical data.

REFERENCES:
patent: 1926787 (1933-09-01), Ohno
patent: 2492785 (1949-12-01), Concordet
patent: 4334867 (1982-06-01), Friedman

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