Patents by Inventor Janet Neumann

Janet 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).

  • Method and apparatus for characterizing multipath interference in circularly polarized signals
    Patent number: 5995044
    Abstract: A GPS receiver embodying the invention includes a first channel that preferentially processes line-of-sight signals and a second channel that preferentially processes multipath signals. It then compares the results to determine if the multipath has degraded the results of the processing of the line-of-sight signals.
    Type: Grant
    Filed: May 1, 1998
    Date of Patent: November 30, 1999
    Assignee: NovAtel, Inc.
    Inventors: Waldemar Kunysz, Thomas J. Ford, Janet Neumann