Patents by Inventor Peter O. Shanaghan

Peter O. Shanaghan 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).

  • Symmetric row drive for an electroluminescent display
    Patent number: 5805124
    Abstract: A method and apparatus for providing a driver circuit for an electroluminescent display panel comprising a row driver including positive row drive elements and negative row drive elements, a first power lead with a first predetermined voltage V.sub.neg connected in series through a first switch connection to a first node, the first node connected to a first current limiter to the negative row drive elements, a second current limiter operably connected between a first fixed potential to a second node, the second node connected to the positive row drive elements, a third current limiter connected between the negative row drive element and the second fixed potential, a second power lead with a second predetermined voltage V.sub.
    Type: Grant
    Filed: April 4, 1996
    Date of Patent: September 8, 1998
    Assignee: Norhtrop Grumman Corporation
    Inventors: Mohan L. Kapoor, Thomas J. Rebeschi, Peter O. Shanaghan, Daniel J. Toffolo