Patents by Inventor Par Bergsten

Par Bergsten 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).

  • Cartesian multicarrier feedback
    Patent number: 5551070
    Abstract: A system for transmission of combined, multi-carrier signals wherein combiner/filters, commonly called combiners, have been eliminated. A cartesian feedback loop linearizes the system and thereby suppresses carrier frequency intermodulation by feeding back a portion of the combined multi-carrier signal to each channel device.
    Type: Grant
    Filed: January 28, 1993
    Date of Patent: August 27, 1996
    Assignee: Telefonaktiebolaget LM Ericsson
    Inventors: Ulf Skarby, Par Bergsten, Bo Hedberg