Tag: fingerprint scanners

How Fingerprint Readers Work

Fingerprint Reader

What is the Most Reliable Fingerprint Reader?

By Bob Mesnik

Fingerprint readers scan the features of a person’s finger and create a digital code that can be used as a unique digital template.  That’s the concept, but how do fingerprint readers actually work?

There are a number of different technologies used to scan the features of a fingerprint. The engineering challenge is to reliably read the ridges and valleys on the fingerprint so that it can be converted to a digital image.

This article reviews the most popular technologies that use Optical, Ultrasonic and Capacitive sensors.

Fingerprint readers scan the features of a person’s finger and create a digital code that can be used as a unique digital template.  That’s the concept, but how do fingerprint readers actually work?

There are a number of different technologies used to scan the features of a fingerprint. The engineering challenge is to reliably read the ridges and valleys on the fingerprint so that it can be converted to a digital image.   

This article reviews the most popular technologies that use Optical, Ultrasonic and Capacitive sensors.  

Continue reading “How Fingerprint Readers Work”