It is an object to provide an user identity authentication system and an user identity authentication method with the Internet and a mobile information communication device. The mobile information communication device includes a liquid crystal device with a built-in image sensor. The image sensor reads...http://www.google.de/patents/US20020052192?utm_source=gb-gplus-sharePatent US20020052192 - User identity authentication system and user identity authenication method and mobile telephonic device
User identity authentication system and user identity authenication method ...