DEVICE FOR RECORDING PRINT OF FINGERS Russian patent published in 1994 - IPC

Abstract RU 2022524 C1

FIELD: criminalistics. SUBSTANCE: device has prism which operates at critical angle for total reflection, correcting prism and image forming optical system. Image forming optical system has two positive components which have focuses to be coincided and aperture diaphragm disposed in point of focus coincidence. Device has non-distorted image of print of finger on its array photodetector. EFFECT: improved precision. 1 dwg

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RU 2 022 524 C1

Authors

Ishchenko N.V.

Laskin A.V.

Dates

1994-11-15Published

1992-05-28Filed