Patent ID: 6041410
Filing Date: 2000-03-21
Classification: G06K,G07C

Abstract:
A personal Identification fob for automatically verifying the identity of a user seeking to use the fob for access to a protected property, the fob comprising:a sensor, for reading fingerprint data identifying a user seeking access to a protected property;a memory for storing a reference fingerprint image of the user during an enrollment procedure and for holding the reference image for future use;an image correlator, for comparing the stored reference image with a fingerprint image of the user seeking access, as obtained from the sensor, and for determining whether the two images match; andmeans for securely communicating identity confirmation to a door that provides access to the protected property upon receipt of the identity confirmation, wherein the means for securely communicating identity confirmation includesmeans for generating a numerical value from the stored reference fingerprint image, including means for generating a cyclic redundancy code from the stored reference fingerprint image,encryption logic, for encrypting the numerical value, anda transmitter for sending the encrypted numerical value to the door, together with user identification data,wherein the door provides the desired access to the protected property upon confirming that the transmitted numerical value is the same as one previously provided by the user during a registration procedure.