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Optical system for determining the angular position of a radiating point source and method of employing

  • US 20060165312A1
  • Filed: 03/08/2006
  • Published: 07/27/2006
  • Est. Priority Date: 02/13/2002
  • Status: Active Grant
First Claim
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1. A system for determining the angular position and distance of a radiating source with respect to a detector, comprising:

  • a) a radiation detector;

    b) a mask spaced in front of said detector, said mask having a plurality of transmission frequencies;

    c) recording means for recording an image cast onto said detector by radiation passing through said mask;

    d) computing means for computing data related to said image;

    e) identifying means for identifying phases of a plurality of frequencies of said image and creating signals corresponding thereto;

    f) determining means for determining angular position of said radiation source with respect to said detector;

    g) said determining means receiving said signals and, therefrom, determining said angular position of said radiation source with respect to said detector.

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