Patents by Inventor David F. Waghorn

David F. Waghorn 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).

  • Night vision systems
    Patent number: 4755664
    Abstract: A vehicle night vision system comprising a headgear mounted night vision goggle 11 incorporating an image intensifier which produces an intensified image of a scene forward of the goggle superimposed on a user's direct view of the scene through the goggle wherein the intensity of the image produced by the intensifier is reduced when the user views a vehicle interior display via the goggle to prevent interference with the user's direct view of the display through the goggle.
    Type: Grant
    Filed: July 23, 1986
    Date of Patent: July 5, 1988
    Assignee: GEC Avionics Limited
    Inventors: Roy H. Holmes, David G. Irwin, David F. Waghorn