Patents by Inventor Rudolf Dick

Rudolf Dick 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).

  • Standard or reference transmission line with variable group time delay
    Patent number: 5307031
    Abstract: An adjustable impedance-correcting delay line adapted to form a standard line for providing an adjustable group delay time for measurement purposes or the like in which a plurality of different delay networks including coaxial segments of different lengths with or without damping compensating amplifiers can be selectively connected in the cascade or shunted. A bridge circuit can be provided with fundamental damping and delay time for bridging with the standard delay line where difference measurements are of interest.
    Type: Grant
    Filed: September 2, 1992
    Date of Patent: April 26, 1994
    Assignee: Wandel & Goltermann GmbH & Co. Elektronische Messtechnik
    Inventor: Rudolf Dick