Portable security printed matter authentication device

Details Portable security printed matter authentication device Portable security printed matter authentication device

2008-03-14

2011-10-18

Mai, Thien (Department: 2887)

Registers

Coded record sensors

Particular sensor structure

C235S462010, C235S454000, C382S100000

Reexamination Certificate

active

08038063

ABSTRACT:
Provided is a portable security printed matter authentication device for authenticating security codes printed on security printed matter such as currency, vouchers, passports, and identification cards. The portable security printed matter authentication device includes: 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 a plurality of LED (light-emitting diode) lamps which are disposed below the optical filter and illuminate light toward the security printed matter, wherein the LED lamps are a combination of two or more types of ultraviolet (UV) LED lamps, color LED lamps, and infrared (IR) lamps.

REFERENCES:
patent: 2001/0054644 (2001-12-01), Liang
patent: 2004/0141320 (2004-07-01), Bock et al.
patent: 2004/0217173 (2004-11-01), Lizotte et al.
patent: 2004/0264737 (2004-12-01), Alasia et al.

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