Patents by Inventor Stephen J. Hutchison

Stephen J. Hutchison 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).

  • Impedance matched RF spring contact
    Patent number: 5133676
    Abstract: An RF interconnect assembly includes a ground plane (124) and a radio circuit (109), and an RF connector (126) having a signal conductor (127) and a ground conductor (130) where the ground conductor (130) is coupled to the ground plane (124). Located a predetermined distance (d) above the ground plane (124), a spring contact (140) provides a constant impedance transmission line connection between the RF connector (126) and the radio circuit (109).
    Type: Grant
    Filed: June 5, 1991
    Date of Patent: July 28, 1992
    Assignee: Motorola, Inc.
    Inventors: Stephen J. Hutchison, David H. Karl, David H. Minasi