Microwave antenna system

Details Microwave antenna system Microwave antenna system

2010-10-22

2011-10-04

Tarcza, Thomas (Department: 3662)

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

Directive

Including a steerable array

C342S372000, C342S375000

Reexamination Certificate

active

08031116

ABSTRACT:
A microwave antenna system having a plurality of antenna elements arranged in an array having two spaced ends. A phase shifter is electrically connected to a first group of at least two adjacent antenna elements at one end of the array and is also electrically connected to a second group of at least two adjacent antenna elements adjacent the other end of the array. Individual phase shifters are connected to individual middle antenna elements for at least several of the antenna elements between the first and second groups of antenna elements. A switch selectively electrically connects a phase delay line in series between the phase shifter and the second group of antenna array elements to effectively double the number of good beam positions of the antenna array.

REFERENCES:
patent: 4045800 (1977-08-01), Tang et al.
patent: 4063250 (1977-12-01), Fenwick
patent: 4649393 (1987-03-01), Rittenbach
patent: 5430452 (1995-07-01), DuBois
patent: 6037910 (2000-03-01), Solbach et al.
patent: 7420507 (2008-09-01), Thomas et al.

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