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US 3,942,138 AGranted
Short depth hardened waveguide launcher assembly element
AssigneeThe United States of America as represented by the Secretary of the Air Force
InventorWilliam Hugh Schaedla
Life of this patent
Estimating the term…
Abstract
A waveguide launcher apparatus for coupling a coaxial transmission line to a waveguide array antenna element. The waveguide launcher apparatus utilizes its short depth to achieve the desired match between the coaxial connector and free space. The launcher apparatus has an L shape which performs as a matching element and as an adaptor between the coax transmission line and wave guide sections.
Claims7
A short depth hardened waveguide launcher apparatus comprising in combination:
- means forming a waveguide cavity having a first and second end, said first end having a coaxial connector mounted thereon, said coaxial connector having a center conductor extending within said waveguide cavity, said second end having a window mounted therein, said waveguide cavity comprising a first and second waveguide cavity, said first waveguide cavity being smaller than said second waveguide cavity, said first waveguide cavity being positioned at said first end, and
- a waveguide launcher means mounted within said waveguide cavity, said waveguide launcher means being equidistantly positioned within said first waveguide cavity, said first waveguide cavity having a cavity length equal to the horizontal length of said waveguide launcher means, said waveguide launcher means being connected to center conductor of said coaxial connector said waveguide launcher means being vertically disposed within said first waveguide cavity, said center conductor of said waveguide launcher means in combination with said first cavity providing the desired match between said coax connector and free space.
Dependencies are inferred from the claim text.