Patents by Inventor Jean Dallaire

Jean Dallaire 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).

  • Parasitic element for helical antenna
    Patent number: 7474272
    Abstract: A parasitic element for a helical antenna having at least one helix conductor extending from a secured first longitudinal end of the antenna to an opposite free second longitudinal end thereof around an antenna major-axis. The parasitic element includes an electrically conductive ring located adjacent and spaced apart from the second end in a direction leading away from the first end with the ring axis being parallel to and substantially collinear with the antenna major-axis. The ring has an outer diameter substantially equal to the diameter of the helix conductor at the second end.
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: January 6, 2009
    Assignee: MacDonald, Dettwiler and Associates Corporation
    Inventors: Stéphane Lamoureux, David McLaren, Yves Gaudette, Steve Larouche, Jean Dallaire
  • Parasitic element for helical antenna
    Publication number: 20080012787
    Abstract: A parasitic element for a helical antenna having at least one helix conductor extending from a secured first longitudinal end of the antenna to an opposite free second longitudinal end thereof around an antenna major-axis. The parasitic element includes an electrically conductive ring located adjacent and spaced apart from the second end in a direction leading away from the first end with the ring axis being parallel to and substantially collinear with the antenna major-axis. The ring has an outer diameter substantially equal to the diameter of the helix conductor at the second end.
    Type: Application
    Filed: June 27, 2007
    Publication date: January 17, 2008
    Inventors: Stephane Lamoureux, David McLaren, Yves Gaudette, Steve Larouche, Jean Dallaire