Communications: radio wave antennas – Antennas – Wave guide type
Patent
1989-01-11
1992-05-26
Wimer, Michael C.
Communications: radio wave antennas
Antennas
Wave guide type
343753, 343783, H01Q 13020, H01Q 15080
Patent
active
051172402
ABSTRACT:
A small aperture horn antenna comprising an outer conical shell and interiorly of which are formed at least first and second conically flared, dielectric-coated stages of differing flare angles which are coupled to one another via an intermediate cylindrical stage. The dielectric coating is applied to form a uniformly smooth horn interior surface. Mountable to the antenna input aperture are various reflective and homogeneous dielectric refractive focusing lenses and to the output is a low noise waveguide converter. A remotely controlled, axial mount assembly enclosed in a gas-filled, roof mountable radome is also disclosed. Alternatively, the same antenna geometry may be used to transmit a directive electromagnetic wave.
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Nair, R. A., Radiation Behavior of a Dielectric Loaded Double Flare Multimode Conical Horn with a Homogeneous Dielectric Sphere in Front of its Aperture, IEEE Montech '86 Conference, Oct. 1986.
Flare Angel Charges in a Horn Antenna as a Means of Pattern Control, Cohn, Seymor B., Microwave Journal, Oct. 1970.
A high-gain multimode dielectrric coated rectangular horn antenna, Nair, R. A., et al., The Radio and Electronic Engineer, vol. 48, No. 9, pp. 437-443, Sep., 1978.
Anderson Donald E.
Anderson Ordean S.
Nair Ramakrishna A.
Riebel Michael J.
Brown Peter Toby
Microbeam Corporation
Tschida D. L.
Wimer Michael C.
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