Patents by Inventor Shankar S. Rao

Shankar S. Rao 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).

  • Nodding scanner
    Patent number: 5402048
    Abstract: A limited rotation assembly for an optical scanner. This assembly includes an input command unit and a signal generator and an electronic driver and a summing junction and a torquer connected in series. The torquer has a tachometer with a start-stop pulse feedback loop to the signal generator and with an angular velocity and position pulse feedback loop to the summing junction.
    Type: Grant
    Filed: December 27, 1993
    Date of Patent: March 28, 1995
    Assignee: Vernitron Corporation
    Inventor: Shankar S. Rao