Patents by Inventor Kenneth J. Edney

Kenneth J. Edney 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).

  • Annular slot antenna
    Patent number: 4369447
    Abstract: The antenna comprises an open-mouthed cylindrical cavity 1 defined by side 11 and bottom 12 walls. A conductive coating 5 on an insulative substrate 4 lies on the bottom wall 12. The coating 5 is spaced from the side wall 11 by an annular space 2. A coaxial line 7, 8 feeds microwave energy to the zone between the coating 5 and the wall 12. That zone acts as a radial transmission line which couples the coaxial line to the cavity.
    Type: Grant
    Filed: July 10, 1980
    Date of Patent: January 18, 1983
    Assignee: EMI Limited
    Inventor: Kenneth J. Edney