Patents by Inventor Kjell Jarl

Kjell Jarl 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).

  • Apparatus in a microwave system
    Publication number: 20020197974
    Abstract: The present invention use the properties of a TDD-transmission on a specific mixer in such a manner that in the transmit mode a first RF signal is amplified in the mixer with an amplification factor greater than, or equal to, or less than one, and in the receive mode the received RF signal is mixed with a second RF signal.
    Type: Application
    Filed: March 12, 2002
    Publication date: December 26, 2002
    Inventors: Dan Weinholt, Gunnar Skatt, Christian Fager, Kjell Jarl