Patent ID: 6088585
Filing Date: 2000-07-11
Classification: G06K,G06Q,G07C,G07F

Abstract:
A portable telecommunication device having enhanced security and comprising:a portable housing;a radio transceiver within said housing;an integrated circuit fingerprint sensor carried by said housing, said integrated fingerprint sensor comprisinga substrate,at least one electrically conductive layer adjacent said substrate and comprising portions defining an array of electric field sensing electrodes; anda z-axis anisotropic dielectric layer adjacent said at least one electrically conductive layer and opposite said substrate, for focusing an electric field at each of the electric field sensing electrodes, the z-axis being normal to the at least one electrically conductive layer;authorizing means carried by said housing for permitting use of said radio transceiver based upon said integrated circuit fingerprint sensor sensing a fingerprint of an authorized user; anda rechargeable battery carried by said housing for powering said radio transceiver, said integrated circuit fingerprint sensor and said authorizing means.