Patents Examined by Michael G. Wimer
  • Portable radio telephone
    Patent number: 6380897
    Abstract: A portable radio telephone having an antenna which can be pivoted between a first position in which it projects from a surface of the telephone and a second position in which it projects from the surface of the telephone. The second position of the antenna relative to the surface of the telephone is different than the first position. The antenna is pivoted from the first position to the second position to control the operation of the telephone.
    Type: Grant
    Filed: May 7, 1998
    Date of Patent: April 30, 2002
    Assignee: Nokia Mobile Phones Limited
    Inventors: Conway Robert Shaw, Guy Arthur Durham, Nigel David Tout, Arnold Gocool, Sean Prior, Elie Abi Chaaya, Guy Alexander Hooker
  • Antenna with curved dipole elements
    Patent number: 5173715
    Abstract: An antenna comprises a base plate forming a ground plane, a coaxial feed serving as a mast connected to the base plate and extending along an axis that is normal to the ground plane, and two orthogonal dipoles each formed of two elements. Each dipole element has a first end connected to and supported by the mast at a first location spaced apart from the ground plane by a predetermined distance and a second end closer to the ground plane and exhibits a curvature in a plane containing the mast.
    Type: Grant
    Filed: June 12, 1991
    Date of Patent: December 22, 1992
    Assignee: Trimble Navigation
    Inventors: Eric B. Rodal, Michael C. Detro, David R. Gildea, James M. Janky