Planar high-frequency aerial for circular polarization

Communications: radio wave antennas – Antennas – Microstrip

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Details

343853, H01Q 138

Patent

active

052333612

ABSTRACT:
A planar aerial comprising a plurality of radiating plates (PR) connected by lines (LV, LH, LSV, LSH) having sufficient lengths for summing the signals at two points (H, V). On line H D G V the signal having a clockwise circularly polarised wave is present at D, and the signal having a counterclockwise circularly polarised wave is present at G.

REFERENCES:
patent: 4761653 (1988-08-01), Owens et al.
patent: 4816835 (1989-03-01), Abiko et al.
patent: 4914445 (1990-04-01), Shoemaker
patent: 4937585 (1990-06-01), Shoemaker
patent: 5001493 (1991-03-01), Patin et al.

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