Patents by Inventor Rainhard Kuehn

Rainhard Kuehn 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: 4139771
    Abstract: A luggage inspection apparatus utilizing fluoroscopic examination in conjunction with an X-ray generator, with the fluoroscopic picture being received by a TV camera, the video signals of which are supplied to an intermediate store for ultimate supply to a TV monitor, the camera containing an AC line-coupled pulse generator for synchronizing the camera and the X-ray flash generator, which pulse generator is electrically interconnected with a synchronizing unit which, upon the initiating of a starting pulse, thus likewise synchronously triggers the X-ray flash generator with respect to the AC supply line.
    Type: Grant
    Filed: January 16, 1976
    Date of Patent: February 13, 1979
    Assignee: Heimann GmbH
    Inventors: Manfred Dennhoven, Claus Kunze, Rainhard Kuehn
  • Patent number: 4047035
    Abstract: A baggage inspection apparatus utilizing an X-ray generator for fluoroscopic examination of luggage and the like in which an X-ray detector is disposed in the beam path of the X-ray generator, operative to control switch means for switching off the high voltage of the X-ray beam generator in the event the intensity and/or duration of the X-ray radiation exceeds a predetermined value.
    Type: Grant
    Filed: January 6, 1976
    Date of Patent: September 6, 1977
    Assignee: Heimann GmbH
    Inventors: Manfred Dennhoven, Claus Kunze, Rainhard Kuehn