Reconfiguration of passive elements in an array antenna for cont

Details Reconfiguration of passive elements in an array antenna for cont Reconfiguration of passive elements in an array antenna for cont

1992-09-28

1994-03-08

Hajec, Donald

Communications: radio wave antennas

Antennas

Having electric space discharge device

343815, 343817, 343818, H01Q 126, H01Q 1930

Patent

active

052931722

ABSTRACT:
Disclosed is an array antenna (10) that may be reconfigured to point in multiple directions. The array antenna includes a driven element (12) coupled to a transmission line (14) and a pair of passive elements (22) and (24). The passive elements (22) and (24) each include three antenna segments that are coupled together by a pair of optoelectronic switches (26) and (28), respectively. When the optoelectronic switches coupled to a particular passive element are closed the element functions as a reflector; when the switches are open, the element functions as a director. Other reconfigurable antennas are also disclosed, including antennas with reconfigurable gain and field pattern characteristics.

REFERENCES:
patent: 4290071 (1981-09-01), Fenwick

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