Patents by Inventor Udo Wurdemann

Udo Wurdemann 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).

  • Method and apparatus for setting the sharpness of an optical imaging system
    Patent number: 5430288
    Abstract: A method and apparatus for setting sharpness of an optical image system by step-by-step adjustment of the distance between a subject and an objective until a maximum is achieved for respectively identified sharpness values of the objective.
    Type: Grant
    Filed: August 31, 1993
    Date of Patent: July 4, 1995
    Assignee: Linotype-Hell AG
    Inventors: Rainer Schielke, Holger Suhr, Udo Wurdemann
  • Method and apparatus for setting the sharpness of an optical imaging system
    Patent number: 5365053
    Abstract: A method and an apparatus for setting the sharpness of an optical imaging system by step-by-step adjustment of the distance between a subject and an objective and by evaluating the sharpness values identified for the individual distances. First, the sharpness values (S) for two distances (R) modified proceeding from a prescribed distance (Ro) by a respective step width in both adjustment directions are identified and the best sharpness value is determined by comparing these sharpness values (S) to the sharpness value (So) for the prescribed distance (Ro). Respectively two distance points (R1 through R4) having defined step widths proceeding from the prescribed distance (Ro) are then identified in an allowed range of adjustment (VS) and the appertaining sharpness values (S1 through S4) are identified.
    Type: Grant
    Filed: August 31, 1993
    Date of Patent: November 15, 1994
    Assignee: Linotype-Hell AG
    Inventors: Rainer Schielke, Holger Suhr, Udo Wurdemann, Axel Heuer