Patents by Inventor Dietmar Gangler

Dietmar Gangler 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).

  • 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
  • Publication number: 20030189767
    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: Application
    Filed: April 4, 2003
    Publication date: October 9, 2003
    Inventors: Bertram Achtner, Jurgen Noffke, Dietmar Gangler, Elke Schmidt, Bo Moller