Earth photo globe
First Claim
1. A method of making a globe in which geographical indicia comprise quantized image dots disposed on the surface of a sphere, comprising:
- storing in a memory data representing said quantized image dots,providing a photosensitively coated sphere,scanning a light beam across said photosensitively coated sphere,obtaining from said memory data representative of the quantized image dot desired at each location scanned by said light beam, andmodulating said light beam in accordance with said obtained data so as to control the exposure of said photosensitive coating to produce quantized image dots corresponding to said memory data.
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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.
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Citations
10 Claims
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1. A method of making a globe in which geographical indicia comprise quantized image dots disposed on the surface of a sphere, comprising:
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storing in a memory data representing said quantized image dots, providing a photosensitively coated sphere, scanning a light beam across said photosensitively coated sphere, obtaining from said memory data representative of the quantized image dot desired at each location scanned by said light beam, and modulating said light beam in accordance with said obtained data so as to control the exposure of said photosensitive coating to produce quantized image dots corresponding to said memory data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification