Effectiveness of biometric systems in companies and precisely biometric clocks since the beginning of the industrial revolution, the time that workers work has been monitored, controlled and managed; to preserve the interests of a company. In the same way, this time, has been used in motivational programs by way of positive or negative reinforcement. In today’s world, the need for control of working hours, makes them necessary systems so that they are more precise and versatile. To be on par with economic and industrial growth, assistance systems such as spreadsheets or tabs of control, have been replaced by more modern versions. These versions coupled advances in information technology and incorporate them to the control of timetables.
Existing systems, for the control of assistance, not only recorded schedules, but generate reports and analyze data. Can also programmed and adjusted to changes in shifts and also function as access control systems, providing income to employees and keep a out to people outside a company. All this involves a system that is multifunctional, which saves costs of operation in any organization. Even newer systems, for attendance control, improving every day. Thus, there are systems to register the arrival or departure, through network connections, which is ideal for employees not working in the main facilities of a company. Although it seems that these latest systems are easy to circumvent, these accounts with technological advances that make them proof of fraud. Through the use of biometrics, it is possible to implement systems, whether for access or assistance, which are highly precise and reliable control. In the past, it was almost impossible to know if the employees had worked the times that were recorded in old systems. That was that anyone could sign an entry form or dial card by another employee, who could find anywhere less at your job site.