Patents by Inventor Bruno Schrader

Bruno Schrader 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).

  • Apparatus and method for identifying defects within the volume of a transparent sheet and use of the apparatus
    Patent number: 9546967
    Abstract: An apparatus for identifying defects within the volume of a transparent sheet, such as a glass sheet, is provided. The apparatus includes an illumination device that directs incident light onto at least a portion of a surface of the sheet so as to illuminate the sheet, and an image detector onto which the light backscattered from the sheet is directed to image the sheet. The apparatus generates at least two interference images under different capturing conditions in order to perform identification of defects by evaluating the at least two interference images.
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: January 17, 2017
    Assignee: SCHOTT AG
    Inventors: Bruno Schrader, Frank Macherey, Holger Wegener, Michael Stelzl
  • APPARATUS AND METHOD FOR IDENTIFYING DEFECTS WITHIN THE VOLUME OF A TRANSPARENT SHEET AND USE OF THE APPARATUS
    Publication number: 20140347664
    Abstract: An apparatus for identifying defects within the volume of a transparent sheet, such as a glass sheet, is provided. The apparatus includes an illumination device that directs incident light onto at least a portion of a surface of the sheet so as to illuminate the sheet, and an image detector onto which the light backscattered from the sheet is directed to image the sheet. The apparatus generates at least two interference images under different capturing conditions in order to perform identification of defects by evaluating the at least two interference images.
    Type: Application
    Filed: August 7, 2014
    Publication date: November 27, 2014
    Inventors: Bruno Schrader, Frank Macherey, Holger Wegener, Michael Stelzl