Conformal switched beam array antenna

Details Conformal switched beam array antenna Conformal switched beam array antenna

1987-09-01

1995-10-10

Cain, David C.

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

Directive

Including a steerable array

H01Q 302

Patent

active

054574650

ABSTRACT:
A conformal switched beam array antenna (10) is provided which includes a plurality of antenna elements (14) that are mounted onto a curved (16) or a planar surface (28) and that are arranged into a plurality of arrays (22). The antenna elements (14) in each array (22) are arranged in a hexagonal array with one antenna element (14) in the center of each hexagonal array space. A plurality of multiple-throw switches (34), a RF power divider or power combiner (42), and a digital programmer (46) cooperate to select antenna elements (14) in the direction of a given target, and also cooperate to reduce the required number of phase shifters (40) and amplifiers (38 or 58) to a fraction of the total number of antenna elements (14).

REFERENCES:
patent: 3530485 (1970-09-01), Radford
patent: 3531803 (1970-09-01), Rosen
patent: 3816830 (1974-06-01), Giannini
patent: 3821740 (1974-06-01), Ehrlich
patent: 3922685 (1975-11-01), Opas
patent: 3964066 (1976-06-01), Nemit
patent: 4001763 (1977-01-01), Heyningen
patent: 4010474 (1977-03-01), Proveacher
patent: 4123759 (1978-10-01), Hines et al.
patent: 4176322 (1979-11-01), Kommrusch
patent: 4257050 (1981-03-01), Ploussios
patent: 4451831 (1984-05-01), Stangel et al.
patent: 4499473 (1985-02-01), Rao

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