Waveguide phased array antenna apparatus

Details Waveguide phased array antenna apparatus Waveguide phased array antenna apparatus

1998-12-01

2000-02-22

Blum, Theodore M.

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

Directive

Including a steerable array

H04B 7185, G01S 502

Patent

active

060285524

ABSTRACT:
A phase shifter for controlling a phase of a propagating wave from a distributing waveguide to an array of radiating waveguides is disclosed. The phase shifter includes a distributed-constant line coupling the distributing waveguide to the radiating waveguide and a plurality of distributed-constant circuits each providing a different phase-shift characteristic. A micro machine switch selectively connects the distributed-constant circuits to the distributed-constant line depending on a control signal received from outside.

REFERENCES:
patent: 3969729 (1976-07-01), Nemit
patent: 4044360 (1977-08-01), Wolfson et al.
patent: 5170140 (1992-12-01), Lowe et al.
patent: 5488380 (1996-01-01), Harvey et al.

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