Communications: radio wave antennas – Antennas – Wave guide type
Patent
1990-06-29
1991-09-17
Wimer, Michael C.
Communications: radio wave antennas
Antennas
Wave guide type
333 26, 343786, H01Q 1300, H03H 500
Patent
active
050498932
ABSTRACT:
This distributor relates to radar antennas. It is used notably for making multiple-beam antennas. It is of the optical Blass matrix type. It has a horn-shaped guide with two energy leading-in central strips that radiate directly in space by means of excitation obstacles which are cylindrical studs arranged in pairs on the inner surfaces of the side walls to obtain the desired directivity. By means of this distributor, it is possible to simultaneously achieve sum and difference patterns or again different directions of aim.
REFERENCES:
patent: 2703841 (1955-03-01), Purcell
patent: 3002189 (1961-09-01), Butler
patent: 3013267 (1961-12-01), Rotman
patent: 3015100 (1961-12-01), Rotman
patent: 3797020 (1974-03-01), Roger et al.
patent: 4210793 (1980-07-01), Fournet-Fayas
Coppier Herve
Pourailly Jean-Louis
Roger Joseph
"Thomson-CSF"
Brown Peter Toby
Plottel Roland
Wimer Michael C.
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