G - Physics – 07 – D
Patent
G - Physics
07
D
G07D 7/00 (2006.01) G06K 9/00 (2006.01) G06M 3/00 (2006.01) G06M 9/00 (2006.01) G07D 7/12 (2006.01) G07D 9/06 (2006.01)
Patent
CA 2215853
A method and device for authenticating documents comprising an ultraviolet light source illuminating a document to be tested; an ultraviolet light detector generating an output signal responsive to ultraviolet light reflected by the document; and a signal processor receiving the ultraviolet detector output signal and determining the authenticity of the document based upon said output signal.
Bauch Aaron M.
Csulits Frank M.
Graves Bradford T.
Jones John E.
Jones William J..
Cummins-Allison Corp.
Marks & Clerk
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