Patents by Inventor Denis R. Lietgeb

Denis R. Lietgeb 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).

  • Patent number: 6621518
    Abstract: A video surveillance system is disclosed having an elongated tubular housing. The housing includes a planar back wall, a pair of spaced side walls, and a front wall extending between the side walls. The front wall further includes a portion lying in a plane oblique with respect to a plane of the back wall and the back wall, front wall and side walls together form an interior chamber in the housing. An opening is formed in the oblique portion of the front wall, and a video camera having a lens is mounted within the housing chamber so that the camera lens is aligned with the housing opening. The camera produces an output signal representative of the video picture at the camera lens which is electrically connected to video processing equipment, such as a recorder. The housing itself is mounted to a stationary structure, such as a building.
    Type: Grant
    Filed: April 25, 2001
    Date of Patent: September 16, 2003
    Inventor: Denis R. Lietgeb