Patents by Inventor Karl Spaeth

Karl Spaeth 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: 9494999
    Abstract: A watchdog function is performed for those messages which are used by a controller in a CAN bus to keep the other controllers active. All emitted keep-active messages are read again by the emitting controller itself and are checked for the presence of a reason. In the absence of such a reason, a restart is carried out.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: November 15, 2016
    Assignee: AUDI AG
    Inventors: Juergen Hartmann, Guenther Nagy, Karl Spaeth
  • Publication number: 20130205145
    Abstract: A watchdog function is performed for those messages which are used by a controller in a CAN bus to keep the other controllers active. All emitted keep-active messages are read again by the emitting controller itself and are checked for the presence of a reason. In the absence of such a reason, a restart is carried out.
    Type: Application
    Filed: July 1, 2011
    Publication date: August 8, 2013
    Inventors: Juergen Hartmann, Guenther Nagy, Karl Spaeth