Tuesday, July 10, 2012

Companies, Biometric Systems and Access Control


Many companies have found in biometric systems, a useful tool. By using this technology, which can identify people by their physical qualities, a large number of businesses have been put at bay employees. As a result, we eliminated the fraud in which an employee recorded the assistance of a colleague who was not present. Furthermore, the use of biometrics in access control, prevents outsiders from entering her company.

The objective of biometric systems is to avoid the presence of unwanted persons. Thus, a fingerprint reader at the entrance of a building, you can ensure that only people registered in a database, you may enter the facility. This type of access control is very common in state organizations, institutions of surveillance and control in office buildings. However, its use is also true in some schools, gyms and even in elevators.

In setting up a biometric system requires that people have access to, provide a biometric sample. In the case of a fingerprint scanner, the sample is taken from the index finger or thumb. To do this, users should press firmly and for a few seconds your fingers on a plate reader. When the system has taken the mark, identifies the highlights of this and creates a sequence number that identifies each user, which is archived in a database. After this comes the validation process, which returns the user to place their finger on the plate reader, the system compares that sample with the database and give free rein to that user. In case of eye scans, the procedure is similar. The user looks at a player for a couple of seconds and the system saves the image of the iris or retina, and then be collated in the validation process. When the person is scanned in the database, it can make your income, for which opens a door with biometric lock or release a tourniquet.

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