Patents by Inventor Wolfgang Gruner

Wolfgang Gruner 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).

  • Variable field bus coupling with long coupling length, particular for mobile operator control and monitoring devices
    Patent number: 7206885
    Abstract: The invention relates to a system for coupling a mobile data input unit to a field bus, whereby a coupling unit is connected to the field bus via a spur line and a line driver and the signals at the output of the line driver are supplied to a coupling link or received from the latter via first level converters. The mobile data input unit receives the signals from the coupling link or supplies them to the latter via second level converters.
    Type: Grant
    Filed: March 31, 2003
    Date of Patent: April 17, 2007
    Assignee: Siemens Aktiengesellschaft
    Inventors: Wolfgang Gruner, Gottfried Rieger
  • Varible filed bus coupling with long coupling length, particular for mobile controllers and observation devices
    Publication number: 20050165993
    Abstract: The invention relates to a system for coupling a mobile data input unit to a field bus, whereby a coupling unit is connected to the field bus via a spur line and a line driver and the signals at the output of the line driver are supplied to a coupling link or received from the latter via first level converters. The mobile data input unit receives the signals from the coupling link or supplies them to the latter via second level converters.
    Type: Application
    Filed: March 31, 2003
    Publication date: July 28, 2005
    Inventors: Wolfgang Gruner, Gottfried Rieger