Patents by Inventor Edwin Wiedmer

Edwin Wiedmer 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).

  • Patent number: 7409552
    Abstract: Method for securing a session over a radio or infrared wireless link (101) between a terminal (11) and a mobile equipment (10), said session being secured with a SIM card (100) in said mobile equipment (10). The terminal (11) and the mobile equipment (10) both comprise a display and a keyboard or keypad and can be mutually connected through said short distance wireless link (101). The method comprises the following steps: generating a secret in one of said terminals or said smart cards, displaying this secret on the display of said terminal (11) or said user equipment (10), entering said secret or the hash value of said secret on the input means of the other one of said terminals (11) or user equipments (10), using said shared secret for securing at least a part of said session over said short distance wireless link (101).
    Type: Grant
    Filed: September 30, 2002
    Date of Patent: August 5, 2008
    Assignee: Swisscom Mobile AG
    Inventors: Levente Buttyan, Edwin Wiedmer, Eric Lauper
  • Publication number: 20030041244
    Abstract: Method for securing a session over a radio or infrared wireless link (101) between a terminal (11) and a mobile equipment (10), said session being secured with a SIM card (100) in said mobile equipment (10). The terminal (11) and the mobile equipment (10) both comprise a display and a keyboard or keypad and can be mutually connected through said short distance wireless link (101).
    Type: Application
    Filed: September 30, 2002
    Publication date: February 27, 2003
    Inventors: Levente Buttyan, Edwin Wiedmer, Eric Lauper