Horn antenna

Details Horn antenna Horn antenna

1996-12-11

1999-03-16

Le, Hoanganh T.

Communications: radio wave antennas

Antennas

Wave guide type

343783, 343785, H01Q 1300

Patent

active

058836047

ABSTRACT:
Horn antenna (10) produces an electromagnetic energy field and includes waveguide (12) for generating an electromagnetic field having an electric field (52, 54, 56) and magnetic field (58 and 60). Horn portion (14) expands the electric field (52, 54, 56) and magnetic field (50, 60), and produces therefrom an electromagnetic energy field (34) at radiating aperture (29) of horn portion (14). Dielectric portion (32) is positioned within horn portion (14) and includes a sheet (32) of dielectric material that has a relatively uniform thickness. The dielectric portion (32) is placed across horn portion (14) perpendicular to electric field (52, 54, 56) to yield cosinusoidal electromagnetic field (34) at radiating aperture (29).

REFERENCES:
patent: 3750182 (1973-07-01), Kernweis
patent: 3854141 (1974-12-01), Smith
patent: 4065772 (1977-12-01), Seavey
patent: 5017937 (1991-05-01), Newham et al.
Reindel, "A Useful Waveguide for Millimeter Waves", Technical Memorandum, No. EDL-M377, Aug. 1961, p. 21.

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