Patents by Inventor Hans Forstner

Hans Forstner 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).

  • Publication number: 20050207481
    Abstract: A transmit/receive filter includes a substrate, an antenna terminal, a transmit filter assembly arranged on a first substrate portion, an output of the transmit filter assembly being connected to the antenna terminal, a receive filter assembly arranged on a second substrate portion, and a discrete phase shifter arranged on a third substrate portion, the discrete phase shifter being formed of discrete circuit elements and an input of the receive filter assembly being connected to the antenna terminal via the discrete phase shifter, the discrete phase shifter being formed to set a predetermined phase relation to decouple the receive filter assembly from the transmit filter assembly.
    Type: Application
    Filed: March 3, 2005
    Publication date: September 22, 2005
    Applicant: Infineon Technologies AG
    Inventor: Hans Forstner