https://www.123articleonline.com/rss/author/309424/mujib-khanArticles written by Mujib Khan from 123ArticleOnline.comen-usCopyright (c) 123ArticleOnline.com All rights reserved. https://www.123articleonline.com/articles/1238873/fingerprint-scanners-how-do-they-work The fingerprint scanner, or "Fingerprint reader" or "Fingerprint sensor", is a biometric identification device whose primary function is to recognize finger pads through light or electrical sensors, memorize them and uniquely identify people.