Array antenna apparatus

Details Array antenna apparatus Array antenna apparatus

1996-04-01

1999-07-13

Blum, Theodore M.

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

Directive

Including a steerable array

343700MS, H01Q 302, H01Q 312

Patent

active

059232900

ABSTRACT:
Array antenna apparatus can form a beam in plural directions by changing the electrical supply track length between antenna elements of array antennas so that a beam of the same form but a different inclination angle is formed by each array antenna. Each array antennas can be arbitrarily selected switch circuit, and a supplied transmitted signal, and enables forming a beam in different directions alternatively.

REFERENCES:
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patent: 3331071 (1967-07-01), Preston
patent: 3671973 (1972-06-01), French
patent: 3889261 (1975-06-01), Sirven
patent: 4521781 (1985-06-01), Campi et al.
patent: 4644360 (1987-02-01), Mead et al.
patent: 4652888 (1987-03-01), Deasy
patent: 5201065 (1993-04-01), Niehenke
patent: 5206655 (1993-04-01), Caille et al.
patent: 5243354 (1993-09-01), Stern et al.
patent: 5309160 (1994-05-01), Powell et al.
patent: 5422649 (1995-06-01), Huang

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