Communications: radio wave antennas – Antennas – Waterborne
Patent
1975-07-23
1976-12-21
Lieberman, Eli
Communications: radio wave antennas
Antennas
Waterborne
343765, H01Q 308
Patent
active
039991849
ABSTRACT:
A satellite tracking antenna structure is disclosed which is adapted to be mounted at the head of the mast of a ship. The antenna itself, is provided with a reflector which forms one side of a box structure, which is open on the side thereof opposite to the reflector and has a rigidifying structure including an arched beam mounted in the box between the reflector and the open side of the box opposite to the reflector. Located within the box structure is a pedestal extending upwardly from the mast. A stable platform arrangement is mounted on the pedestal and the box structure is pivotly mounted on the stable platform arrangement so as to enable the antenna to be rotated in azimuth and in elevation in the direction of a satellite with which communication is desired.
REFERENCES:
patent: 2740962 (1956-04-01), Hammond
Lieberman Eli
Lukacher Martin
Scientific-Atlanta, Inc.
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