Patents Assigned to Acaji, Inc.
  • Patent number: 8054547
    Abstract: A seamless, shadowless, rear projection full dome imaging system comprising a 360° screen having a plurality of translucent screen sections, a rigid superstructure to which the screen sections are attached; clamping rings to hold the screen sections together; clamp arms to attach the screen sections to the superstructure, a transparent light guide attached to each clamping ring; adjacent screen sections being held between adjacent light guides by clamp arms; a plurality of projectors projecting a light image onto the rear of the screen sections; the light guides having a rear face angled perpendicular to the projected light; and a narrow front edge on the front side of the light guide. All surfaces of the light guides, except the rear face and the narrow front edge, are coated with a black opaque finish.
    Type: Grant
    Filed: April 5, 2011
    Date of Patent: November 8, 2011
    Assignee: Acaji, Inc.
    Inventors: Glyn H. Anderson, Janeen D. Anderson, Joshua W. Perkins, Jeffrey W. Bryce