Communications: radio wave antennas – Antennas – Wave guide type
Patent
1985-08-30
1987-09-22
Sikes, William L.
Communications: radio wave antennas
Antennas
Wave guide type
343786, 333 21A, H01Q 138, H01Q 1917
Patent
active
046958444
ABSTRACT:
A device for receiving dual polarized microwave signals, including a first waveguide connected to a receiving antenna and to a first substrate bearing a first sensor perpendicular to the longitudinal axis of the first waveguide, a second waveguide having the same longitudinal axis and the same dimensions as the first waveguide, and which is connected to a second substrate having a second sensor perpendicular to the longitudinal axis of the second waveguide. Surrounding the second waveguide is a tube having tongues at opposed ends which cooperate with slots formed in the first and second substrates. The opposed tongues of the tube are staggered by 90.degree. so that upon insertion of the opposed tongues of the tube within the slots of the first and second substrates, sensors formed on these substrates are arranged orthogonally with respect to one another. The tongues and cooperating slots assure mechanical integrity. A metallic blade is mounted in axially extending diametrically opposed slots formed in the second waveguide in the tube to maximize decoupling between the dual polarized signals being received.
REFERENCES:
patent: 2682610 (1954-06-01), King et al.
patent: 4529898 (1985-07-01), Dupressoir et al.
IRE Transactions on Microwave Theory and Techniques, vol. MTT-4, No. 3, Jul. '56, Tomkins, "A Broad-Band Dual-Mode Circular Waveguide Transducer", pp. 181-183.
Sikes William L.
Societe d'Electronique de la Region Pays de Loire
Wimer Michael C.
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