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The reason: As phones do more and more important things for us, secure phone access becomes paramount. At Christophe Busch's lab in Germany, scientists are working on a variety of biometric technologies for phones, including those that use the smartphone's built-in accelerometer to recognize gaits.
Choosing Biometric Devices. As you look for biometric devices online, you will these devices are roughly split into Time Attendance (TA) systems and Access Control (AC) systems. The former is used solely to record the IN and OUT time of each employee, while the latter is designed for gaining access to the office.