Communications: radio wave antennas – Antennas – Wave guide type
Patent
1984-04-12
1986-11-11
Lieberman, Eli
Communications: radio wave antennas
Antennas
Wave guide type
H01Q 1302
Patent
active
046225595
ABSTRACT:
The antenna feed includes a waveguide radiator with a conductive flange positioned about the waveguide near its radiating end. The flange includes one or more corrugations which each have tapered walls and which is truncated at its root and crest by a flat or curved plane. The corrugations thus may have a trapezoidal cross-section or a curved root and crest cross-section. The curvature may be sinusoidal.
REFERENCES:
patent: 2665383 (1954-01-01), Marie
patent: 3274603 (1966-09-01), Kay
patent: 3553707 (1971-01-01), Yang et al.
patent: 3943521 (1976-03-01), Phillips
patent: 4504836 (1985-03-01), Seavey
Bridges Ernest
Ittipiboon Apisak
Kishk Ahmed A. A.
Shafai Lotfollah
Canadian Patents & Development Limited
Lieberman Eli
Rymek Edward
Wimer Michael C.
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