Patents by Inventor Reinhold Rohrbach

Reinhold Rohrbach 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).

  • Method and device for determining an access code
    Patent number: 7543154
    Abstract: A method for determining an access code comprising a predetermined number of input symbols. The access code is determined from input symbols and the position thereof when inputted. The number of possible input positions for the input symbols is greater than the predetermined number of input symbols. An input device detects the input symbols and the positions thereof in an input field. An access code is determined therefrom and compared in a comparator with a references access code. If compatibility is established, access to the system is authorized.
    Type: Grant
    Filed: September 26, 2001
    Date of Patent: June 2, 2009
    Assignee: Patev GmbH & Co., KG
    Inventor: Reinhold Rohrbach
  • Method and device for determining an access code
    Publication number: 20040117633
    Abstract: A method for determining an access code comprising a predetermined number of input symbols. The access code is determined from input symbols and the position thereof when inputted. The number of possible input positions for the input symbols is greater than the predetermined number of input symbols. An input device detects the input symbols and the positions thereof in an input field. An access code is determined therefrom and compared in a comparator with a references access code. If compatibility is established, access to the system is authorized.
    Type: Application
    Filed: October 31, 2003
    Publication date: June 17, 2004
    Inventor: Reinhold Rohrbach