Biometric Fingerprint Device preparation was also required prior to scan as sensors were not as technologically advance as modern sensors. Only optical sensors were available in recognition systems, other sensing methods were either unavailable or under development. For second generation biometric systems, applications were limited to high security computing in vertical applications and building access control.
Increasing adoption has helped bring down cost of biometric devices. Factors like economy of scale, increasing production and electronic components getting cheaper, have helped biometric systems to become affordable for small business and even for individual applications. Slashing prices are particularly evident in case of fingerprint scanners. Earlier, only high end or flagship mobile phones were equipped with fingerprint sensors, but now even a smartphone offer a capacitive fingerprint sensor. Fingerprint recognition systems, which were earlier used only in high security facilities or restricted areas, are now commonly seen everywhere. Let it be office doors, server rooms, schools, banks, POS, etc.
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