Education and demonstration – Geography – Terrestrial globe or accessory therefor
Patent
1980-03-10
1982-06-15
Grieb, William H.
Education and demonstration
Geography
Terrestrial globe or accessory therefor
434146, 434136, G09B 2708
Patent
active
043348670
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: 2187947 (1940-01-01), Marks
patent: 2941313 (1960-06-01), Levin
patent: 3063163 (1962-11-01), Dukes, Jr.
patent: 3406312 (1968-10-01), Redman
patent: 3992718 (1976-11-01), Driskell
patent: 4276561 (1981-06-01), Friedman
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