How Does Fingerprint Door Locks Work?


A Biometric Fingerprint Door Lock uses physical traits for identification process as every person has a different fingerprint. As a matter of fact no two fingerprints are identical. The main technology used in capturing fingerprint image is optical, silicon and ultrasound. The setting up of such locks is very easy and it is advisable that it is done by a skilled person. The fingerprint is scanned and converted into a numerical algorithm and saved in the database. Now when the authorized person attempt to unlock the door, the fingerprint is scanned and compared with the data stored in the system.

If the authorized person wants to allow access to more people he/she simply have to add their fingerprint to the system. In case the lock has some extra prints simply delete the print from the memory. In this way Biometric lock denies or allows access to unauthorized persons.

Most of the Biometric devices such as Biometric locks come with an emergency code lock. This can be used for manual entry in case of any damage.

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