Communications: radio wave antennas – Antennas – Microstrip
Reexamination Certificate
2006-12-26
2006-12-26
Nguyen, Hoang V. (Department: 2821)
Communications: radio wave antennas
Antennas
Microstrip
C343S767000
Reexamination Certificate
active
07154441
ABSTRACT:
A device for transmitting or emitting high-frequency waves includes: a microstrip line (10) with one end (10′) in a substrate (11) for transmitting high-frequency useful signals; a first ground surface (12) and a second ground surface (13), which are provided on opposite sides of the microstrip line (10), for forming a TEM waveguide assembly; an opening (14) in the first ground surface (12) located at a predefined distance (d) from the end of the microstrip line (10′) for decoupling a high-frequency signal; a feedthrough device (15) for conductively connecting the first ground surface (12) with the second ground surface (13) on the lateral periphery of the microstrip line (10); and a planar coupling device (16) for receiving and transmitting or emitting the high-frequency useful signal. The feedthrough device (15) is configured in such a way that at a given frequency (f) it prevents the propagation of waveguide modes and excitation of waveguide mode resonance in the useful frequency band (F).
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Hansen Thomas
Schneider Martin
Alemu Ephrem
Nguyen Hoang V.
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