Communications: radio wave antennas – Antennas – Wave guide type
Reexamination Certificate
2007-07-17
2007-07-17
Le, Hoanganh (Department: 2821)
Communications: radio wave antennas
Antennas
Wave guide type
C343S779000
Reexamination Certificate
active
11182739
ABSTRACT:
This invention concerns a parabolic antenna with a parabolic reflector (2) having a parabolic reflector rim (20), a collar (9), which is positioned on the parabolic reflector (2), in particular on the parabolic reflector rim (20) and which has an outside collar rim (90), and having an exciter and/or a receiver (3), such that the exciter and/or receiver (3) are/is located in the axial direction (X) partly within the parabolic reflector rim (20) and partly outside thereof.
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XP 000073936: Westerlind, H.G., “Level Gauging By Radar”,Advances in Instrumentation and Control, vol. 44, part 4, pp. 1385-1396, (1989).
Fehrenbach Josef
Kienzle Klaus
Schultheiss Daniel
Le Hoang-anh
Meyer Jerald L.
Protigal Stanley N.
The Nath Law Group
Vega Grieshaber KG
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