A method of authenticating a user for access includes creating an authentication key in the form of a user formula selected from a set of variables and operations provided by the authentication system, storing the user formula in the authentication system, utilizing a display to present the user with...http://www.google.fr/patents/US20070162745?utm_source=gb-gplus-shareBrevet US20070162745 - User Authentication System and Method
Numéro de demande: 11/552,555 Numéro de publication: US 2007/0162745 A1 Date de dépôt: 25 oct. 2006 Brevet délivré: US7725712 ( Date de délivrance 25 mai 2010)
