Like optical scanners, capacitive fingerprint scanners generate an image of the ridges and valleys that make up a fingerprint.
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How do capacitive fingerprint scanners differ from the optical ones?
What type of sensor is used in optical fingerprint scanners?
There is no way to make fingerprint scanners more reliable than they are now.
A CCD camera is usually used in capacitance 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.
Capacitive scanners can sometimes be fooled by a mold of a person's finger.
What are the disadvantages of optical scanners?
The light sensor system used in optical scanners is the same as in digital cameras and camcorders.
A fingerprint scanner needs to get an image of your finger to compare it with the others on record.