Communications: radio wave antennas – Antennas – With means for moving directive antenna for scanning,...
Patent
1975-12-09
1976-10-19
Dixon, Harold A.
Communications: radio wave antennas
Antennas
With means for moving directive antenna for scanning,...
343757, H01Q 300
Patent
active
039874524
ABSTRACT:
A first column is secured to and extends vertically upward from a base. The first column has a first socket on the end thereof remote from the base. An intermediate member having first and second balls extending therefrom in opposite directions along a common axis is disposed to have the first ball rotatably engage the first socket. A second column having a second socket on one end thereof is disposed so that the second ball rotatably engages the second socket. An antenna structure is secured to the other end of the second column. A drive arrangement including a plurality of perforated tapes coupled in a predetermined manner to the intermediate member, the base, the first and second columns and the antenna structure provides the complete hemispherical coverage by the antenna structure.
REFERENCES:
patent: 2556026 (1951-06-01), Carlisle
patent: 2899677 (1959-08-01), Rockall
Dixon Harold A.
Hill Alfred C.
International Telephone and Telegraph Corporation
O'Halloran John T.
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