Patents by Inventor Ullrich Herda

Ullrich Herda 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).

  • Collimator with an adjustable focal length
    Patent number: 8472587
    Abstract: The invention relates to a collimator with adjustable focal length, especially for use in X-ray testing devices whose operating principle is based on diffraction phenomena in an object. Fixed focal length collimators used in such X-ray testing devices have to be displaced over a large range. The aim of the invention is to reduce the range of displacement. For this purpose, the collimator has at least two diaphragms having respective substantially circular slots arranged about a common center axis, wherein at least one diaphragm can be displaced along the center axis.
    Type: Grant
    Filed: July 26, 2007
    Date of Patent: June 25, 2013
    Assignee: Smiths Heimann GmbH
    Inventors: Norbert Haunschild, Ullrich Herda, Uwe Siedenburg, Martin Hartick, Patricia Schall
  • Collimator with an adjustable focal length
    Publication number: 20110182404
    Abstract: The invention relates to a collimator with adjustable focal length, especially for use in X-ray testing devices whose operating principle is based on diffraction phenomena in an object. Fixed focal length collimators used in such X-ray testing devices have to be displaced over a large range. The aim of the invention is to reduce the range of displacement. For this purpose, the collimator has at least two diaphragms having respective substantially circular slots arranged about a common center axis, wherein at least one diaphragm can be displaced along the center axis.
    Type: Application
    Filed: July 26, 2007
    Publication date: July 28, 2011
    Inventors: Norbert Haunschild, Ullrich Herda, Uwe Siedenburg, Martin Hartick, Patricia Schall