Buoy antenna system

Details Buoy antenna system Buoy antenna system

1974-08-01

1976-03-23

Lieberman, Eli

Communications: radio wave antennas

Antennas

Waterborne

343792, H01Q 134

Patent

active

039463915

ABSTRACT:
An antenna system is disclosed that is suitable for use in the transmission of communication signals from expendable marker buoys. The antenna system is designed such that the antenna is interiorly disposed within the buoy, which eliminates the need for antenna seals and antenna automatic extension mechanisms.
The antenna is top loaded to permit the use of a relatively short vertical section. The antenna is attached to a ground plane skirt which is capacitively coupled through a dielectric form for establishing good radio frequency (RF) connection to the water surface within which the antenna system operates. The dielectric medium is provided by the outer housing of the buoy and hence the water surface becomes the effective ground plane for the antenna. In this manner, therefore, the antenna system does not require components to be extended beyond the interior of the buoy housing.

REFERENCES:
patent: 2850732 (1958-09-01), Kandoian et al.
patent: 3095568 (1963-06-01), Aine et al.
patent: 3234503 (1966-02-01), Wojciechowski et al.
patent: 3852756 (1974-12-01), Reese

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