Patents by Inventor Juergen Noffke

Juergen Noffke 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).

  • Objective lens
    Patent number: 7446944
    Abstract: An objective lens comprises a housing, an iris diaphragm and a plurality of lens groups. For focusing the objective lens while minimizing the variation of the image angle at least two lens groups are adapted to be moved relative to the housing. The one lens group is arranged in front of the iris diaphragm. The other lens group is arranged at least partially behind the iris diaphragm.
    Type: Grant
    Filed: March 6, 2007
    Date of Patent: November 4, 2008
    Assignee: Carl Zeiss AG
    Inventors: Juergen Klein, Juergen Noffke, Dietmar Gaengler
  • Objective lens
    Publication number: 20070236805
    Abstract: An objective lens comprises a housing, an iris diaphragm and a plurality of lens groups. For focusing the objective lens while minimizing the variation of the image angle at least two lens groups are adapted to be moved relative to the housing. The one lens group is arranged in front of the iris diaphragm. The other lens group is arranged at least partially behind the iris diaphragm.
    Type: Application
    Filed: March 6, 2007
    Publication date: October 11, 2007
    Inventors: Juergen Klein, Juergen Noffke, Dietmar Gaengler
  • Objective and family of objectives
    Patent number: 7016120
    Abstract: An objective has a front group, a focus group displaceable along the optical axis and a follow-on lens group having a diaphragm. The front group is arranged at the objective end. The lens group having the diaphragm includes at least two composite lenses and/or two positive lenses and/or the back focus can be adjusted. An objective series is presented wherein all objectives of the series have a uniform appearance and/or the diaphragm is arranged in all objectives proceeding from the image plane at the same location.
    Type: Grant
    Filed: April 4, 2003
    Date of Patent: March 21, 2006
    Assignee: Carl-Zeiss-Stiftung
    Inventors: Bertram Achtner, Jürgen Noffke, Dietmar Gängler, Elke Schmidt, Bo Möller