Patents by Inventor Dennis Kuhlmann

Dennis Kuhlmann 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).

  • Helmet-mounted sighting system
    Patent number: 4287809
    Abstract: An electromagnetic system for determining the orientation including position of a helmet worn by a pilot is disclosed, having a transmitting antenna for transmitting electromagnetic field vectors, a receiving antenna for sensing the electromagnetic field vectors, a control apparatus responsive to the sensed electromagnetic field vectors and the transmitted electromagnetic field vectors for determining the orientation including location of the helmet, the control apparatus having a first output for supplying the orientation to a utilization apparatus and a second output, a driver for supplying driving energy to the transmitting antenna coils, and a selector switch connected to the second output of the control apparatus and to the driver for sequentially energizing the coils of the transmitting antenna.
    Type: Grant
    Filed: August 20, 1979
    Date of Patent: September 8, 1981
    Assignee: Honeywell Inc.
    Inventors: Werner H. Egli, Dennis Kuhlmann, Jack E. Wier