For complete fingerprint capture by placing fingers into cylindrical indentations on the sensor surface without rolling.
The fingerprint dimensions are much more than the area obtained on the scanner with a flat prism.
Scanner is designed for biometric civil registration.
SPECIFICATION
OPTICAL SCHEME is afocal, telocentric, allows getting fingerprints of high quality.
THE SIZE OF THE SCANNED WORKING FIELD
26 х 38 mm
OPTICAL RESOLUTION
1000 ppi
PROGRAMM RESOLUTION
500 ppi - 1000 ppi
SIGNAL / NOISE RATIO
-45 dB
CHARACTERISTIC OF THE IMAGE - histograms of levels of characteristics of brightness and contrast and contrast are in the complete dynamic range 8 bit (256 grey scales)