Patents Assigned to LDT GmbH Laser-Display-Technologie KG
  • Process for imaging image points of a video picture and associated apparatus
    Patent number: 6057964
    Abstract: In a process for imaging image points of a video picture by means of a light bundle which is controlled in intensity with respect to the brightness of the image points and which is deflected and then projected onto a screen by a lens or a lens system, a variable focal length is provided for the lens, the lens system or a partial lens system of the lens system and an object-side focal point is maintained stationary when the focal length is varied.
    Type: Grant
    Filed: February 19, 1997
    Date of Patent: May 2, 2000
    Assignees: Carl Zeiss Jena GmbH, LDT GmbH Laser-Display-Technologie KG
    Inventors: Rolf Roeder, Christhard Deter