Patents by Inventor Zdenek Trejtnar

Zdenek Trejtnar 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).

  • Radiocommunications antenna with misalignment of radiation lobe by variable phase shifter
    Patent number: 7286092
    Abstract: A radiocommunications antenna, notably for cellular radiotelephony network base station, of radiation lobe depointing type induced by variable phase adjustment unit including an actuating device including an actuator (13 or 41) whereof the displacement controls the phase shift, characterised in that it includes a module, insertable into the antenna and extractible therefrom, including a mechanical or electromechanical device co-operating with the actuating device to control the displacement of the actuator (13 or 41) when the module is installed in the antenna.
    Type: Grant
    Filed: February 23, 2004
    Date of Patent: October 23, 2007
    Assignees: Jaybeam Limited, Mat Equipment
    Inventors: Zdenek Trejtnar, Thierry Gartner, Anthony Pallone, Arnaud Desneux
  • Radiocommunications antenna with misalignment of radiation lobe by variable phase shifter
    Publication number: 20060066494
    Abstract: A radiocommunications antenna, notably for cellular radiotelephony network base station, of radiation lobe depointing type induced by variable phase adjustment unit including an actuating device including an actuator (13 or 41) whereof the displacement controls the phase shift, characterised in that it includes a module, insertable into the antenna and extractible therefrom, including a mechanical or electromechanical device co-operating with the actuating device to control the displacement of the actuator (13 or 41) when the module is installed in the antenna.
    Type: Application
    Filed: February 23, 2004
    Publication date: March 30, 2006
    Inventors: Zdenek Trejtnar, Thierry Gartner, Anthony Pallone, Arnaud Desneux