Patents by Inventor John B. Eulenberg

John B. Eulenberg 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).

  • Digital, self-calibrating proximity switch
    Patent number: 7369951
    Abstract: A signal processing system for detecting purposive signals includes an input receiving a signal having a signal characteristic subject to user manipulation. An activation detector compares a property of the signal characteristic to one or more signal characteristic property thresholds over time. A filter module determines whether the signal characteristic is purposively manipulated based on an amount of time preceding or following an occurrence of the property exceeding or falling below one or more signal characteristic property thresholds.
    Type: Grant
    Filed: February 25, 2005
    Date of Patent: May 6, 2008
    Assignee: Board of Trustees of Michigan State University
    Inventors: Stephen R. Blosser, John B. Eulenberg