Mode transducer structure
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United States of America Patent
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Nov 4, 2008
Grant Date -
Jan 18, 2007
app pub date -
Jul 14, 2005
filing date -
Jul 14, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A mode transducer for converting an electromagnetic wave between TE.sub.1,0 and TM.sub.0,1 modes. A rectangular waveguide guides the wave while in TE.sub.1,0 mode and a circular waveguide guides the wave while in TM.sub.0,1 mode. The rectangular waveguide and the circular waveguide are joined by a chamber to form a right angle structure. The chamber particularly includes offset walls distended away from proximal portions of the rectangular waveguide to convert the electromagnetic wave between modes. Two of the mode transducers rotatably coupled with a suitable rotation mechanism may be used as a rotary waveguide joint.
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