Patent ID: 6314195
Filing Date: 2001-11-06
Classification: G06K

Abstract:
An organism identifying device provided with a personal verification apparatus for identifying a finger being verified is a real organism or not, said device comprising:a first contact portion, on to which said finger to be verified contacts, for giving a stimulus, which is imperceptible to a sense of a person, to said finger;a second contact portion, on to which other part of said finger to be verified contacts, for measuring a pulse of a peripheral blood vessel at a contact portion of said finger, and outputting the measured result as an organism information; andan organism determining portion for instructing said first contact portion the nature of stimulus to be given, for receiving the organism information from said second contact portion, and for determining whether the organism information is information of a real organism or not by detecting an expected fluctuation of pulse amplitude in response to the nature of stimulus having been instructed.