Shaped-beam or scanned beams reflector or lens antenna

Details Shaped-beam or scanned beams reflector or lens antenna Shaped-beam or scanned beams reflector or lens antenna

1995-05-16

1997-01-28

Hajec, Donald T.

Communications: radio wave antennas

Antennas

Wave guide type

343778, 342372, H01Q 1300, H01Q 322

Patent

active

055981739

ABSTRACT:
Multiple shaped-beam or scanned beams reflector or lens antenna configured so as to have the radiating elements outside the focal plane (imaging) with improved characteristics in terms of gain and coverage area. Said antenna (FIG. 1) essentially consists of a reflector or a lens (1), a certain number of radiators (3) positioned outside the focal plane, a Beam Forming Network (BFN). It classifies in the technical field of multiple shaped-beam antennae and is applicable to radars, telecommunications in general and to space telecommunications in particular. Its most significant advantage consists in its use as transmitter antenna since in it the electric performance/complexity ratio is improved.

REFERENCES:
patent: 3403394 (1968-09-01), Rouault
patent: 4166274 (1979-08-01), Reudink et al.
patent: 4799065 (1989-01-01), Thompson
patent: 4814775 (1989-03-01), Raab et al.
patent: 4939527 (1990-07-01), Lamberty et al.
patent: 5327147 (1994-07-01), Caille et al.

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