Patents by Inventor Paul Johanessen

Paul Johanessen 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 of and apparatus for eliminating quadrature-generated signals in magnetic cross-loop antennas
    Patent number: 7391369
    Abstract: A technique for reducing radio frequency signal navigation errors in systems such as Loran-C and the like, comprising the use of an orthogonally crossed pair of antenna windings on a ferrite cross, tuned to the carrier radio frequency to generate from the received signals both in-phase and quadrature circulating current components, and providing for the eliminating only of the quadrature current components.
    Type: Grant
    Filed: November 29, 2005
    Date of Patent: June 24, 2008
    Assignee: Megapulse, Inc.
    Inventors: Paul Johanessen, Andrie Grebnev
  • Method of and apparatus for eliminating quadrature-generated signals in magnetic cross-loop antennas
    Publication number: 20070120739
    Abstract: A technique for reducing radio frequency signal navigation errors in systems such as Loran-C and the like, comprising the use of an orthogonally crossed pair of antenna windings on a ferrite cross, tuned to the carrier radio frequency to generate from the received signals both in-phase and quadrature circulating current components, and providing for the eliminating only of the quadrature current components.
    Type: Application
    Filed: November 29, 2005
    Publication date: May 31, 2007
    Inventors: Paul Johanessen, Andrie Grebnev