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Earth photo globe

  • US 4,276,561 A
  • Filed: 04/06/1979
  • Issued: 06/30/1981
  • Est. Priority Date: 04/06/1979
  • Status: Expired due to Term
First Claim
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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:

  • 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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