Patent ID: 8038063

Claim:
A portable security printed matter authentication device for authenticating security codes printed on security printed matter including currency, vouchers, passports, and identification cards, comprising: a housing including an observation hole at a top portion of the housing; a magnifying lens disposed to be close to the observation hole inside the housing; an optical filter disposed below the magnifying lens and disposed above the security printed matter that is inserted at a bottom portion of the housing, the optical filter continuously spanning along an entire length inside the housing across a length of the bottom portion; and a plurality of LED (light-emitting diode) lamps arranged in a dome shape, which are disposed below the optical filter, while disposed above and facing the security printed matter such that the plurality of LED lamps reside between the optical filter and the printed matter to illuminate light toward the security printed matter beneath the LED lamps, wherein the LED lamps are a combination of two or more types of UV (ultraviolet) LED lamps, color LED lamps, and IR (infrared) lamps.