In an authentication input apparatus, an input unit is a surface for inputting data of an input device such as a pressure sensitive sensor. The input device may also be an optical sensor such as a CCD. The input unit receives from a user input of a fingerprint, a signature or the like. In inputting the...http://www.google.de/patents/US20050063567?utm_source=gb-gplus-sharePatent US20050063567 - Authentication apparatus and authentication method