Patents by Inventor Kjell Carlsson

Kjell Carlsson 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).

  • Antenna arrangement for a portable radio communication device, and a portable radio communication device comprising such an antenna arrangement
    Patent number: 7501986
    Abstract: The present invention relates to an antenna arrangement for a portable radio communication device, such as a mobile phone, including RF circuitry and a portable radio communication device comprising such an antenna arrangement. The antenna arrangement is characterized in that a first connection portion (17; 25) of an antenna element (10) extends in a first direction in a plane defined by the substantially planar antenna element (10) and a second connection portion (18; 26) of the antenna element (10) extends in a second direction opposite said first direction, such that the sum of said extensions is constant.
    Type: Grant
    Filed: July 26, 2005
    Date of Patent: March 10, 2009
    Assignee: AMC Centurion AB
    Inventors: Greger Byström, Kjell Carlsson
  • Antenna Arrangement For A Portable Radio Communication Device, And A Portable Radio Communication Device Comprising Such And Antenna Arrangement
    Publication number: 20080094291
    Abstract: The present invention relates to an antenna arrangement for a portable radio communication device, such as a mobile phone, including RF circuitry and a portable radio communication device comprising such an antenna arrangement. The antenna arrangement is characterized in that a first connection portion (17; 25) of an antenna element (10) extends in a first direction in a plane defined by the substantially planar antenna element (10) and a second connection portion (18; 26) of the antenna element (10) extends in a second direction opposite said first direction, such that the sum of said extensions is constant.
    Type: Application
    Filed: July 26, 2005
    Publication date: April 24, 2008
    Inventors: Greger Bystrom, Kjell Carlsson