Patents by Inventor Stephan Neumann

Stephan Neumann 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).

  • TREATMENT OF EFFLUENTS FROM THE ELECTROPLATING INDUSTRY
    Publication number: 20130334140
    Abstract: The invention relates to a process for separating fluorinated acids, in particular perfluorocarboxylic acids and perfluorosulphonic acids, or salts thereof from metal-containing, aqueous solutions, in particular those which occur in the electroplating industry, by means of anion exchangers.
    Type: Application
    Filed: September 15, 2011
    Publication date: December 19, 2013
    Applicant: LANXESS DEUTSCHLAND GMBH
    Inventors: Wolfgang Podesta, Stephan Neumann
  • Signal delaying device and method for dynamic delaying of a digitally sampled signal
    Patent number: 7359469
    Abstract: A signal delaying device (1) for the dynamic delaying of a digitally sampled input signal comprises a memory element (2) and a series-connected interpolation element (3). According to the invention, a register (30), which can be connected to the output side of the interpolation element (3), is arranged in parallel to the memory element (2) for intermediate storage of at least one sampled value (Sin(k)) of the input signal.
    Type: Grant
    Filed: January 20, 2004
    Date of Patent: April 15, 2008
    Assignee: Rohde & Schwarz GmbH & Co. KG
    Inventors: Stephan Neumann, Kurt Schmidt, Markus Freidhof
  • Signal delaying device and method for dynamic delaying of a digitally sampled signal
    Publication number: 20040202265
    Abstract: A signal delaying device (1) for the dynamic delaying of a digitally sampled input signal comprises a memory element (2) and a series-connected interpolation element (3). According to the invention, a register (30), which can be connected to the output side of the interpolation element (3), is arranged in parallel to the memory element (2) for intermediate storage of at least one sampled value (Sin(k)) of the input signal.
    Type: Application
    Filed: January 20, 2004
    Publication date: October 14, 2004
    Inventors: Stephan Neumann, Kurt Schmidt, Markus Freidhof