SECURITIES AUTHENTICATING DEVICE Russian patent published in 2003 - IPC

Abstract RU 2219580 C2

FIELD: data management and measuring technology. SUBSTANCE: authenticating device for securities is provided with special optical coded data media (holograms, diffraction gratings, and the like) and functions to analyze topographic element disposed on security for its compliance with standard. Novelty is introduction of normalizing unit and second light source with wavelength other than that of first one which makes it possible to dispense with additional optical elements and their display on hologram. EFFECT: reduced size of device. 3 cl, 2 dwg

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RU 2 219 580 C2

Authors

Bondarev L.A.

Kurakin S.V.

Odinokov S.B.

Budantsev V.V.

Golovin S.S.

Sabaev G.N.

Dates

2003-12-20—Published

2001-06-25—Filed