Patents by Inventor David J. Lowry

David J. Lowry 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).

  • Six-degree virtual pivot controller
    Patent number: 5223776
    Abstract: An active virtual pivot hand controller using motors to control reflective forces and torques. Degree of freedom parameters, stops, and reflective force rates may be easily modified without altering hardware. The location of the virtual pivot of the hand controller may be likewise readily changed.
    Type: Grant
    Filed: December 31, 1990
    Date of Patent: June 29, 1993
    Assignee: Honeywell Inc.
    Inventors: Kathleen M. Radke, Robert E. DeMers, David J. Lowry, William C. Marshall, Jr., Jon M. Blomberg