Circular polarization antenna

Details Circular polarization antenna Circular polarization antenna

1992-05-07

1993-11-23

Wimer, Michael C.

Communications: radio wave antennas

Antennas

Fractional, multiple, or full wave length linear type

343830, 343846, H01Q 938, H01Q 2126

Patent

active

052648613

ABSTRACT:
A circular polarization antenna whose radiation pattern is in the shape of a body of revolution about an axis and has a radiation minimum in the direction of this axis comprises a reflective conductive surface which is essentially in the shape of a body of revolution about the axis. A rectilinear conductive rod extends axially from a first end at the level of and isolated from the conductive surface to a second end and is connected at its first end to an excitation line. A plurality of radiating arms each have a first part extending in an essentially radial plane from the second end of the conductive rod. This first part is electrically connected at its proximal end direct to the conductive rod and is extended at its distal end by a curvilinear rod typically lying on the surface of a sphere centered at the second end and whose general direction is inclined relative to the radial plane.

REFERENCES:
patent: 5173715 (1992-12-01), Rodal et al.

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