Communications: radio wave antennas – Antennas – With means for moving directive antenna for scanning,...
Patent
1984-02-14
1987-01-20
Lieberman, Eli
Communications: radio wave antennas
Antennas
With means for moving directive antenna for scanning,...
343840, H01Q 0320
Patent
active
046383220
ABSTRACT:
The multiple feed antenna comprises a primary focussing element and at least two feeds. The feeds are spaced from each other and have different characteristics such as different frequency bands. The focussing element is moved such that its focal point coincides individually with the feeds. The focussing element may be designed to be offset with respect to its focal axis. In this manner, the antenna may have a common aperture and common boresight for each of the feeds.
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Lieberman Eli
The Boeing Company
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