Patents by Inventor Walter Rothe

Walter Rothe 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).

  • Offset frequency homodyne ground penetrating radar
    Patent number: 9348020
    Abstract: Systems and methods involve generating a baseband signal, up-converting the baseband signal to a radar signal frequency, filtering a lower sideband of the up-converted signal, and transmitting the filtered up-converted signal. Systems and methods also involve receiving a return signal, down-converting the return signal using a signal having a frequency offset from the up-converted signal, filtering the upper sideband of the down-converted return signal, and producing a baseband return signal.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: May 24, 2016
    Assignee: VERMEER MANUFACTURING COMPANY
    Inventors: Alan Wilson-Langman, Kenneth J. Ryerson, Walter Rothe
  • OFFSET FREQUENCY HOMODYNE GROUND PENETRATING RADAR
    Publication number: 20130234879
    Abstract: Systems and methods involve generating a baseband signal, up-converting the baseband signal to a radar signal frequency, filtering a lower sideband of the up-converted signal, and transmitting the filtered up-converted signal. Systems and methods also involve receiving a return signal, down-converting the return signal using a signal having a frequency offset from the up-converted signal, filtering the upper sideband of the down-converted return signal, and producing a baseband return signal.
    Type: Application
    Filed: March 12, 2013
    Publication date: September 12, 2013
    Inventors: Alan Wilson-Langman, Kenneth J. Ryerson, Walter Rothe