Like optical scanners, capacitive fingerprint scanners generate an image of the ridges and valleys that make up a fingerprint.
There is no way to make fingerprint scanners more reliable than they are now.
How do capacitive fingerprint scanners differ from the optical ones?
What type of sensor is used in optical fingerprint scanners?
Up until recently computerized fingerprint scanners were a very common technology.
Who you are systems like fingerprint scanners have a number of advantages over other systems.
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What are the disadvantages of optical scanners?
What does a fingerprint scanner do?