Patents by Inventor Jörg Walbracht

Jörg Walbracht 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).

  • Linear amplification arrangement with non-linear amplifier element for a mobile radio device
    Patent number: 7321752
    Abstract: A system and method to optimize the efficiency of an amplifier device is provided by the including a non-linear amplifier in a mobile radio device. A phase displaced signal in relation to the input signal is respectively produced in the amplifier device with a non-linear power amplifier and in a plurality of push-pull successive phase modifiers, and the outputs of the phase modifier are connected by a passive component.
    Type: Grant
    Filed: July 14, 2004
    Date of Patent: January 22, 2008
    Assignee: Siemens AG
    Inventor: Jörg Walbracht