Patents by Inventor Sarah Unterkofler

Sarah Unterkofler 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: 10620137
    Abstract: A contact lens inspection system, in particular for soft contact lenses, comprises a light source (40) for illuminating a contact lens to be inspected; a plenoptic camera (1) for producing an electronic plenoptic image; a processing unit (103) adapted for electronically processing the electronic plenoptic image of the contact lens and configured for refocusing the image.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: April 14, 2020
    Assignee: Alcon Inc.
    Inventors: Sarah Unterkofler, Matthias Schwab
  • Patent number: 10591747
    Abstract: Disclosed is an inspection and system method and system for determining the orientation of a contact lens on a lens support, particularly in an automated contact lens manufacturing line.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: March 17, 2020
    Assignee: Alcon Inc.
    Inventors: Steffen Paulekuhn, Susanne Fechner, Sarah Unterkofler, Daniel Kessler, Evgeni Schumm, Matthias Schwab
  • Publication number: 20190072499
    Abstract: A contact lens inspection system, in particular for soft contact lenses, comprises a light source (40) for illuminating a contact lens to be inspected; a plenoptic camera (1) for producing an electronic plenoptic image; a processing unit (103) adapted for electronically processing the electronic plenoptic image of the contact lens and configured for refocusing the image.
    Type: Application
    Filed: September 6, 2018
    Publication date: March 7, 2019
    Inventors: Sarah Unterkofler, Matthias Schwab
  • Publication number: 20190072784
    Abstract: A method for determining the orientation of a contact lens (1) on a lens support (3) comprises the steps of: providing a contact lens (1) having a lens center (2) and a sagittal height (h), providing a lens support (3), arranging the contact lens (1) on the lens support (3), providing a camera system (40) having a depth of field (4) of less than the sagittal height (h), illuminating the contact lens (1) arranged on the lens support (3) with a light beam, focusing the camera system (40) to a set focus corresponding to the expected position of the lens center (2) of the properly oriented contact lens (1) arranged on the lens support (3) with the lens center (2) of the properly oriented contact lens (1) on the lens support (3) being within the depth of field (4) of the focused camera system (40), producing an image (10) of the contact lens (1), scanning the image (10) of the contact lens (1) in at least one image portion (S) of a predetermined size; determining the image defocus of the at least one image port
    Type: Application
    Filed: September 6, 2018
    Publication date: March 7, 2019
    Inventors: Steffen Paulekuhn, Susanne Fechner, Sarah Unterkofler, Daniel Kessler, EVGENI SCHUMM, Matthias Schwab
  • Publication number: 20180120199
    Abstract: A method for determining the inversion state of a soft contact lens (1), comprising imaging a soft contact lens having a convex surface (2, 3) and a concave surface (3, 2), a lens center and a lens edge (5) surrounding said soft contact lens (1), the method comprising using an optical coherence tomography system to obtain at least one sectional image of at least a part of the contact lens (1) comprising the lens edge (5), determining a cross-sectional edge geometry of the contact lens (1) extending from the lens edge (5) towards the lens center of the contact lens in the sectional image, the cross-sectional edge geometry corresponding to the convex and concave surface boundaries of the contact lens (1) in the sectional image, selecting a parameter defining the cross-sectional edge geometry of the contact lens (1) imaged and comparing the parameter defining the cross-sectional edge geometry of the contact lens (1) with a predetermined parameter defining a cross-sectional edge geometry of a non-inverted contact
    Type: Application
    Filed: October 30, 2017
    Publication date: May 3, 2018
    Inventors: Sarah Unterkofler, Susanne Fechner, Marcus Heift, Matthias Schwab