Various enhancements were done on the optical fingerprint sensor and it has evolved since the early years of fingerprint system introduction. For FingerTec, the silicon coating is no longer necessary to amplify the fingerprint image, the sensor deters better images and the LED only lights up when a fingerprint is placed on the sensor.
The latest FingerTec TA700W will be using yet another new and improved optical scanner named Live ID. The Live ID scanner has been designed to produce high verification rate and perform well even when presented with dry, wet and blur fingerprints. Poor quality of fingerprints is usually observed amongst the elderly, people who are exposed to abrasive chemicals and those who worked in wet environments. Live ID also minimizes interference during fingerprint verification, minimizing the false rejection rate to nearly zero. It scans faster than the regular optical scanner, reducing the speed by 1 second and now a user can be verified in a split second, without fail. Live ID has also been integrated with an infrared sensor that activates the scanner when a finger approaches it and last but crucially, this new scanner is able to adopt fingerprint templates enrolled using FingerTec Algorithm VX 10.
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