Patents by Inventor James B. Ledebur

James B. Ledebur 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).

  • Patent number: 6472948
    Abstract: A step attenuator for use in attenuating an electromagnetic signal. The step attenuator includes a first path having a plurality of attenuator structures provided therein, each attenuator structure being selectively actuated to permit the signal to pass therethrough. A second path is disposed in parallel with the first path, the second path permitting the signal to selectively bypass the first path. A third path is disposed in series with the first and second paths and includes at least one attenuator structure that is selectively actuated to permit the signal to pass therethrough.
    Type: Grant
    Filed: July 10, 2000
    Date of Patent: October 29, 2002
    Assignee: Rockwell Collins, Inc.
    Inventors: Constantinos S. Kyriakos, James B. Ledebur, Leo G. Maloratsky, Carl E. Steen