Wideband antenna

Details Wideband antenna Wideband antenna

1985-08-19

1987-09-01

Wise, Robert E.

Communications: radio wave antennas

Antennas

With grounding structure

343729, 343850, 343799, H01Q 928, H01Q 2100

Patent

active

046912096

ABSTRACT:
A wideband antenna with reduced diameter and volume compared to prior art tennas and having non-critical dimensions resulting in ease of manufacture and tolerance to damage in portable applications and during installation. In one embodiment the antenna is comprised of a vertical element, a number of equally spaced, equal length horizontal elements in the form of a disc and a number of equally spaced, equal length round plane elements in the form of a cone. The vertical and horizontal elements are connected to the inner conductor of a coaxial transmission line and the conical elements are connected to the outer conductor transmission line. In a second embodiment of the present invention, the vertical element is deleted and a parallel inductor is connected between the transmission line outer and inner conductors.

REFERENCES:
patent: 2425585 (1947-08-01), Wheeler
patent: 2513336 (1950-07-01), Lewis
patent: 3071771 (1963-01-01), Scheldorf
patent: 3618107 (1971-11-01), Spanos
patent: 3665478 (1972-05-01), Dempsey
patent: 3852760 (1974-12-01), Reggia
patent: 4208662 (1980-06-01), Horn et al.

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