Patents by Inventor Robert K. Kirschner

Robert K. Kirschner 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).

  • Head-up display independent test site
    Patent number: 4647967
    Abstract: An independent test sight is described for a pilot's head-up display (HUD). In one embodiment, the independent test site comprises a collimator assembly and an aligned periscope assembly. The collimator assembly comprises a source of light, a reticle, and a lens for projecting the image of the reticle. The periscope assembly comprises a rhomboid prism housed within the chassis of the HUD in such a manner that it can be pivoted from a stowed position to an erect position where it projects a reticle pattern in the field of view of the HUD combiner.
    Type: Grant
    Filed: January 28, 1986
    Date of Patent: March 3, 1987
    Assignee: Sundstrand Data Control, Inc.
    Inventors: Robert K. Kirschner, Hans R. Muller