Beam forming antenna system

Details Beam forming antenna system Beam forming antenna system

1986-07-15

1988-01-26

Blum, Theodore M.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a steerable array

342372, H01Q 322

Patent

active

047219602

ABSTRACT:
A plurality of beam forming networks are connected to a plurality of antenna array elements. Each beam forming network has a plurality of output terminals equal to the plurality of antenna array elements. A respective one of the terminals of each beam forming array is connected to a respective one of the antenna array elements through a simple junction. The system can produce multiple beams from a single array of antenna elements and is low-loss, and thus appropriate for radar applications, because it obtains isolation between beams by applying orthogonality principles.

REFERENCES:
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patent: 3085204 (1963-04-01), Sletten
patent: 3271776 (1966-09-01), Hannan
patent: 3308465 (1967-03-01), Tamana
patent: 3308468 (1967-03-01), Hannan
patent: 3496569 (1970-02-01), Alsberg et al.
patent: 3518695 (1970-06-01), Schroeder
patent: 3731316 (1973-05-01), Sheleg
patent: 3736592 (1973-05-01), Coleman
patent: 3868695 (1975-02-01), Kadak
patent: 3877014 (1975-04-01), Mailloux
Hansen R. C. (ed) Microwave Scanning Antennas (Academic Press 1964), vol . 1, Apertures , pp. 245-246; vol. III, Array Systems.
Rotman W. and Turner R. F., Wide-Angle Microwave Lens for Line-Source Applications, IRE Trans., AP-11, Nov. 1963, pp. 623-632.

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