Patents by Inventor Johannes Quant

Johannes Quant 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).

  • Display device having a cylindrical projection surface such that an image projected onto the inside is visible on the outside
    Patent number: 6644816
    Abstract: The invention relates to a display device for displaying visual information, comprising: at least one image-forming element; at least one light source for generating a light beam, which in cooperation with the image-forming element produces an illuminated image; optical means for processing the light beam and/or illuminated image; and a projection surface for receiving the illuminated image, wherein the image-forming element is flat and the projection surface forms at least a part of a cylinder wall.
    Type: Grant
    Filed: May 1, 2001
    Date of Patent: November 11, 2003
    Assignee: Evolution Technology N.V.
    Inventors: Antonio Guiseppe Perra, Johannes Quant