Communications: radio wave antennas – Antennas – Slot type
Patent
1975-08-18
1976-10-19
Lieberman, Eli
Communications: radio wave antennas
Antennas
Slot type
343789, 343862, H01Q 1310
Patent
active
039874532
ABSTRACT:
An apertured metallic ground plate antenna element having a high input impedance is driven from a lower impedance input transmission line by means of an exciter that provides broadband impedance transformation. The input transmission line is divided into two higher impedance feed lines that feed two parallel plate transmission lines. The parallel plate transmission lines are positioned in close proximity to the element aperture and are oriented to provide antenna excitation in series.
REFERENCES:
patent: 2611865 (1952-09-01), Alford
patent: 2791769 (1957-05-01), Lindenblad
patent: 3810183 (1974-05-01), Krutsinger
Lieberman Eli
Matthews, Jr. Willard R.
Rusz Joseph E.
The United States of America as represented by the Secretary of
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