Broadband cup antennas

Details Broadband cup antennas Broadband cup antennas

1985-04-12

1987-05-26

Lieberman, Eli

Communications: radio wave antennas

Antennas

Within conductive apertured wall

343895, H01Q 136, H01Q 2126

Patent

active

046689567

ABSTRACT:
A broadband cup antenna comprises dipole means having at least one pair of short spiral type monopoles diametrically disposed in a common plane in proximity to the open end of the cup. Parasitic elements are in juxtaposition with the monopoles and are electrically connected by a conductive ring mounted about coaxial lines. A circumferential slot formed in the outer conductor of the coaxial line adjacent to the monopoles serves for excitation of the monopole elements to effectuate signal transmission.

REFERENCES:
patent: 3745585 (1973-07-01), Barbano
patent: 4042935 (1977-08-01), Ajioka et al.
patent: 4218685 (1980-08-01), Frosch

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