Patents by Inventor Hans-Joachim Nielen

Hans-Joachim Nielen 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).

  • telecommunications terminal interface for control by predetermined gestures
    Patent number: 5644628
    Abstract: A telecommunications terminal is to be provided which is easy to operate. According to the invention, a large-area touch-sensitive input-output unit with handwriting and graphics recognition is incorporated into the terminal, so that the functions of the terminal are activated or deactivated by inputting predetermined graphic elements (so-called gestures).
    Type: Grant
    Filed: March 15, 1995
    Date of Patent: July 1, 1997
    Assignee: Alcatel N.V.
    Inventors: Jurgen Schwarzer, Hans-Joachim Nielen