Patents by Inventor Stephan Splitz

Stephan Splitz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • DATA COMMUNICATION USING PORTABLE TERMINAL
    Publication number: 20120110321
    Abstract: In a method in a portable end device (10), data (70E) received from an external data processing apparatus (100) which are prepared according to a communication protocol stack and, in so doing, cryptographically secured according to a security protocol (32) are handled. According to the invention, the received data (70E) are, in so doing, handled in an unsecured data handling environment (14) of the end device (10) according to communication protocols (22; 24; 26) of the communication protocol stack that are below the security protocol (32), and handled in a secured data handling environment (16) of the end device (10) at least according to the security protocol (32).
    Type: Application
    Filed: October 13, 2009
    Publication date: May 3, 2012
    Inventors: Stephan Splitz, Hermann Sterzinger, Helmut Scherzer, Hans Josef Borgs, Thorsten Urhahn