Patents by Inventor James Craig Stephenson

James Craig Stephenson 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).

  • Publication number: 20110181295
    Abstract: Systems and methods for detecting a fault in an electronic conductor are provided. Electronic parameter measurements are combined with reflectometry profiles to determine when faults are present on the electronic conductor.
    Type: Application
    Filed: January 19, 2011
    Publication date: July 28, 2011
    Applicant: LIVEWIRE TEST LABS, INC.
    Inventors: Michael Lee Haugen, Michael Paul Masquelier, James Craig Stephenson, Michael Paul Diamond, Steven Andrew Kerr
  • Patent number: 7257021
    Abstract: A ferromagnetic memory cell is disclosed having a base (21), oriented in a horizontal plane, a bit (19), made of a ferromagnetic material, and a sense/write line (20), positioned proximate the bit (19) sufficient to detect the directed polarity of the bit when a first current is applied thereto, and to direct the polarity of the bit when a second larger current is applied thereto in a given direction. The bit (19) has a height that is oriented perpendicular to the horizontal plane of the base, and a polarity that can be directed along the height.
    Type: Grant
    Filed: December 26, 2006
    Date of Patent: August 14, 2007
    Assignees: Pageant Technologies, Inc., Estancia Limited
    Inventors: Richard M. Lienau, James Craig Stephenson
  • Patent number: 7187579
    Abstract: A ferromagnetic memory cell is disclosed having a base (21), oriented in a horizontal plane, a bit (19), made of a ferromagnetic material, and a sense/write line (20), positioned proximate the bit (19) sufficient to detect the directed polarity of the bit when a first current is applied thereto, and to direct the polarity of the bit when a second larger current is applied thereto in a given direction. The bit (19) has a height that is oriented perpendicular to the horizontal plane of the base, and a polarity that can be directed along the height.
    Type: Grant
    Filed: March 23, 2006
    Date of Patent: March 6, 2007
    Assignees: Pageant Technologies, Inc., Estancia Limited
    Inventors: Richard M. Lienau, James Craig Stephenson
  • Patent number: 7023727
    Abstract: A ferromagnetic memory cell is disclosed having a base (21), oriented in a horizontal plane, a bit (19), made of a ferromagnetic material, and a sense/write line (20), positioned proximate the bit (19) sufficient to detect the directed polarity of the bit when a first current is applied thereto, and to direct the polarity of the bit when a second larger current is applied thereto in a given direction. The bit (19) has a height that is oriented perpendicular to the horizontal plane of the base, and a polarity that can be directed along the height.
    Type: Grant
    Filed: June 15, 2001
    Date of Patent: April 4, 2006
    Assignees: Pageant Technologies, Inc., Estancia Limited
    Inventors: Richard M. Lienau, James Craig Stephenson
  • Publication number: 20040264243
    Abstract: A ferromagnetic memory cell is disclosed having a base (21), oriented in a horizontal plane, a bit (19), made of a ferromagnetic material, and a sense/write line (20), positioned proximate the bit (19) sufficient to detect the directed polarity of the bit when a first current is applied thereto, and to direct the polarity of the bit when a second larger current is applied thereto in a given direction. The bit (19) has a height that is oriented perpendicular to the horizontal plane of the base, and a polarity that can be directed along the height. In one embodiment, the wave induced into the sense line is a positive wave and represents a binary “1”. In another embodiment the wave induced into the sense line is a negative wave and represents a binary “O”.
    Type: Application
    Filed: June 3, 2004
    Publication date: December 30, 2004
    Inventors: Richard M. Lienau, James Craig Stephenson
  • Patent number: 6249039
    Abstract: An inductive component includes a substrate on the surface of which is a lower insulation layer having a shallow concavity or trench, a first plurality of conductive elements formed in the trench, a magnetic core formed over the first plurality of conductive elements, and a second plurality of conductive elements formed over the core. The first and second pluralities of conductive elements are connected to each other so as to form an inductive coil around the core. First and second core insulation layers are disposed between the core and the first and second pluralities of conductive elements, respectively. The component is fabricated by a method in which it is built up in the trench using thin film techniques. A first array of conductors is patterned over the lower insulation layer, and a first core insulation layer is applied over the first conductor array. A magnetic core is formed on top of the first core insulation layer, and a second core insulation layer is applied over the core.
    Type: Grant
    Filed: September 10, 1998
    Date of Patent: June 19, 2001
    Assignee: Bourns, Inc.
    Inventors: Ian Robert Harvey, Michael Frederick Ehman, Malcolm Randall Harvey, James Craig Stephenson