Back Скенер за пръстови отпечатъци Bulgarian Sensor d'empremta digital Catalan Čtečka otisků prstů Czech Fingerabdruckscanner German Fingerprint scanner English Sensor de huella digital Spanish Sõrmejäljeluger Estonian اثرانگشت خوان Persian Pemindai sidik jari ID Отпечатник Macedonian
Fingerprint scanners are security systems of biometrics. They are used to unlock doors and in other security applications. During the 2010s fingerprint scanners became commonplace on mobile phones.
People have a pattern of ridges on their fingers. This fingerprint cannot be removed or changed. Every fingerprint is different from any other in the world. Because there are countless combinations, fingerprints are much used for identification.