Selectable reflector and sub-reflector system using fluidic...

Details Selectable reflector and sub-reflector system using fluidic... Selectable reflector and sub-reflector system using fluidic...

2005-07-05

2005-07-05

Nguyen, Hoang V. (Department: 2821)

Communications: radio wave antennas

Antennas

Wave guide type

C343S7810CA

Reexamination Certificate

active

06914575

ABSTRACT:
A selectable sub-reflector antenna system (100) comprises a main reflector unit (101), a sub-reflector unit (111) disposed apart from the main reflector unit and having at least one cavity (116), and at least one fluidic dielectric having a permittivity and a permeability. The system further comprises at least one composition processor (104) adapted for dynamically changing a composition of the fluidic dielectric to vary at least one among the permittivity and permeability in at least one cavity among a plurality of cavities and a controller (102) for controlling the composition processor to selectively vary at least one among permittivity and permeability in at least one cavity in response to a control signal (105).

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