Patents by Inventor Iris ERICHSEN

Iris ERICHSEN 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: 11340136
    Abstract: The invention relates to an apparatus (2) for detecting imaging quality of an optical system (4) with at least one lens (6) or lens group. The apparatus (2) includes an MTF measuring apparatus (10) for measuring a modulation transfer function at a plurality of field points in the field of view of the optical system (4), and a centering measuring apparatus (18) for measuring a centered state of the optical system (4).
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: May 24, 2022
    Assignee: Trioptics GmbH
    Inventors: Eugen Dumitrescu, Patrik Langehanenberg, Iris Erichsen, Alexander Bai, Simon Zilian, Aiko Ruprecht
  • Publication number: 20210181058
    Abstract: The invention relates to an apparatus (2) for detecting imaging quality of an optical system (4) with at least one lens (6) or lens group. The apparatus (2) includes an MTF measuring apparatus (10) for measuring a modulation transfer function at a plurality of field points in the field of view of the optical system (4), and a centering measuring apparatus (18) for measuring a centered state of the optical system (4).
    Type: Application
    Filed: February 18, 2021
    Publication date: June 17, 2021
    Inventors: Eugen DUMITRESCU, Patrik LANGEHANENBERG, Iris ERICHSEN, Alexander BAl, Simon ZILIAN, Aiko RUPRECHT
  • Patent number: 10942087
    Abstract: The invention relates to an apparatus (2) for detecting imaging quality of an optical system (4) with at least one lens (6) or lens group. The apparatus (2) includes an MTF measuring apparatus (10) for measuring a modulation transfer function at a plurality of field points in the field of view of the optical system (4), and a centering measuring apparatus (18) for measuring a centered state of the optical system (4). Furthermore, the invention relates to a method for detecting imaging quality of an optical system (4) having such a apparatus (2).
    Type: Grant
    Filed: May 28, 2018
    Date of Patent: March 9, 2021
    Assignee: Trioptics GmbH
    Inventors: Eugen Dumitrescu, Patrik Langehanenberg, Iris Erichsen, Alexander Bai, Simon Zilian, Aiko Ruprecht
  • Publication number: 20180348084
    Abstract: The invention relates to an apparatus (2) for detecting imaging quality of an optical system (4) with at least one lens (6) or lens group. The apparatus (2) includes an MTF measuring apparatus (10) for measuring a modulation transfer function at a plurality of field points in the field of view of the optical system (4), and a centering measuring apparatus (18) for measuring a centered state of the optical system (4). Furthermore, the invention relates to a method for detecting imaging quality of an optical system (4) having such a apparatus (2).
    Type: Application
    Filed: May 28, 2018
    Publication date: December 6, 2018
    Inventors: Eugen DUMITRESCU, Patrik LANGEHANENBERG, Iris ERICHSEN, Alexander BAl, Simon ZILIAN, Aiko RUPRECHT