Polarization diversity antenna

Details Polarization diversity antenna Polarization diversity antenna

1998-07-02

1999-11-02

Wong, Don

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343876, H01Q 2126

Patent

active

059779292

ABSTRACT:
A crossed-dipole antenna having four antenna elements, the polarization of hich is easily changed from vertical linear polarization to horizontal linear polarization. A switching network coupled to the crossed-dipole antenna includes pin diodes operating as radio frequency switching elements which provide a means for electronically switching the polarization of the crossed-dipole antenna. A positive biased voltage applied to the switching network results in the crossed-dipole antenna being polarized linearly in a horizontal direction. A negative biased voltage applied to the switching network results in the crossed-dipole antenna being polarized linearly in a vertical direction.

REFERENCES:
patent: 4062019 (1977-12-01), Woodward et al.
patent: 4410891 (1983-10-01), Schaubert et al.
patent: 4814777 (1989-03-01), Monser
patent: 5337058 (1994-08-01), Cross
patent: 5828344 (1998-10-01), Alder et al.

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