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Spatial imaging system

  • US 4,584,704 A
  • Filed: 03/01/1984
  • Issued: 04/22/1986
  • Est. Priority Date: 03/01/1984
  • Status: Expired due to Term
First Claim
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1. A fully automatic method of providing spatial imaging information relating to objects in a field of view, comprising:

  • continually varying the focus of a variable focus lens system to scan said field at a predetermined rate thereby to provide a multiplicity of image planes covering the scanned field, said lens system having a depth of field shallow relative to the field to be scanned, anddetecting in-focus images of said objects as said field is scanned; and

    determining the location of each of the in-focus images relative to the entire field of view as said field is being scanned to provide three-dimensional spatial imaging information.

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