DEVICE FOR RECORDING PAPILLARY PATTERNS Russian patent published in 2004 - IPC

Abstract RU 2241376 C2

FIELD: medical engineering.

SUBSTANCE: device has arranged in series and optically linked illumination source, prism, having inlet, recording and outlet surfaces and a system of photodetector elements and image-processing unit. The latter is optically coupled to photodetector element system. Outlet prism surface or its portion is curved.

EFFECT: high quality of finger prints.

2 cl, 2 dwg

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RU 2 241 376 C2

Authors

Trusov A.A.

Dates

2004-12-10—Published

2002-07-30—Filed