What type of sensor is used in optical fingerprint scanners?

Like optical scanners, capacitive fingerprint scanners generate an image of the ridges and valleys that make up a fingerprint.

How do capacitive fingerprint scanners differ from the optical ones?

The light sensor system used in optical scanners is the same as in digital cameras and camcorders.

What are the disadvantages of optical scanners?

A CCD camera is usually used in capacitance fingerprint scanners.

There is no way to make fingerprint scanners more reliable than they are now.

The heart of an optical scanner is a light sensor.

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.

What is a fingerprint?