3. Optical scanner
Fingerprint scanner system has two basic jobs.
It it is necessary to determine whether it
matches the pattern of valleys and ridges in the
image a pattern of valleys and ridges of this
image is scanned in advance, and is necessary
to obtain an image of your finger.
4. Capacity scanner
Generating an image of peaks and valleys
similar to the optical scanner, composed of a
capacitive fingerprint scanner, a fingerprint.