Mode transducer structure

Details Mode transducer structure Mode transducer structure

2005-07-14

2008-11-04

Lee, Benny (Department: 2817)

Wave transmission lines and networks

Wave mode converters

C333S257000

Reexamination Certificate

active

07446623

ABSTRACT:
A mode transducer for converting an electromagnetic wave between TE1,0and TM0,1modes. A rectangular waveguide guides the wave while in TE1,0mode and a circular waveguide guides the wave while in TM0,1mode. 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.

REFERENCES:
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patent: 5442329 (1995-08-01), Ghosh et al.
patent: 597240 (1948-02-01), None
patent: 2218854 (1989-11-01), None
patent: 2005/041344 (2005-06-01), None
Ragan, G.L., Microwave Transmission Circuits, MIT Radiation Laboratory Series, vol. 9, McGraw-Hill, New York, 1948, pp. 379-405.
PCT Written Opinion of the International Searching Authority for PCT/US06/26601, Sep. 4, 2007.

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