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Portable authentication fluorescence scanner employing single and multiple illumination sources

  • US 20030080193A1
  • Filed: 10/31/2001
  • Published: 05/01/2003
  • Est. Priority Date: 10/31/2001
  • Status: Abandoned Application
First Claim
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1. Apparatus for authenticating articles, authentic instances of which are marked with fluorescent indicia, said apparatus comprising:

  • a) a plurality of illumination sources, at least one of said illumination sources being disposed to selectively illuminate said articles with light outside of the visible spectrum for excitation of said fluorescent indicia; and

    b) a selector adapted to select at least one of said plurality of illumination sources.

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