Patent ID: 8406499

Claim:
A counterfeit currency detector, comprising: a detector body having a forward end and a rearward end and a middle body by which the detector is configured to be held by in a user's hand; an ultraviolet light source assembly including an ultraviolet light source mounted at the forward end of the detector body; and a counterfeit solution applicator comprising the middle body and the rearward end of the detector body, to enable the user to use either or both of the ultraviolet light source assembly and the solution applicator to test currency; wherein the counterfeit solution applicator is impregnated with a test solution configured to change color when applied to a counterfeit currency; and wherein the ultraviolet light source is configured to be turned on to flash ultraviolet light onto a currency note to be tested to cause a thread in the currency note to glow under the ultraviolet light.