Counterfeit detection viewer apparatus for paper currency

Details Counterfeit detection viewer apparatus for paper currency Counterfeit detection viewer apparatus for paper currency

1996-12-24

1999-02-23

Glick, Edward J.

Radiant energy

Luminophor irradiation

With ultraviolet source

2504581, 250504H, G01N 2164

Patent

active

058747427

ABSTRACT:
A counterfeit detection viewer apparatus for detecting security markings in paper currency, which includes a housing having a detection opening on the bottom thereof for receiving the paper currency to be inspected and a viewing opening on the top thereof for inspecting the paper currency. A UV light fixture is mounted in the housing and has a UV fluorescent lamp for projecting UV light rays toward the detection opening and the paper currency to be inspected. The UV light fixture includes a reflector to reflect the UV light rays toward the detection opening and the paper currency, and a switch for activating the UV fluorescent lamp prior to inspecting the paper currency through the viewing opening.

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patent: 5640463 (1997-06-01), Csultis
patent: 5668377 (1997-09-01), Erickson

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