The system of the present invention senses and compares the unique Infra-Red (IR) image pattern from an individual's finger to another IR image pattern of the same finger stored within memory components of the system. Special purpose processors within the system compare the two image patterns and determine...http://www.google.fr/patents/US5351303?utm_source=gb-gplus-shareBrevet US5351303 - Infra-red imaging and pattern recognition system
