Patents by Inventor Tobias Na?

Tobias Na? 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).

  • Patent number: 7593703
    Abstract: A frequency switch (1), in particular for use in a multiband/multistandard power amplifier module (11, 17), comprising at least two output ports, a first output port (7) being arranged within a first output path (8) and a second output port (9) being arranged within a second output path (10), said output ports (7, 9) being connected with an input port (6) via said output paths (8, 10), each output path (8, 10) being provided with at least one RF block (2a, 2b, 2c, 2d), each RF-block (2a, 2b, 2c, 2d) comprising a capacitor, (3a, 3b, 3c, 3d) a switching element (5a, 5b, 5c, 5d) and a quarterwave section, wherein for each RF-block (2a, 2b, 2c, 2d) a predetermined frequency band is selected and the length of said quarterwave section is matched to said selected frequency band in order to block incoming signals in said selected frequency band if the switching element (5a, 5b, 5c, 5d) of the corresponding RF-block (2a, 2b, 2c, 2d) is switched on.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: September 22, 2009
    Assignee: Alcatel-Lucent
    Inventors: Dirk Wiegner, Tobias Naβ, Ulrich Seyfried