Polarization-rotation modulated, spread polarization-rotation, w

Details Polarization-rotation modulated, spread polarization-rotation, w Polarization-rotation modulated, spread polarization-rotation, w

1993-06-11

1997-01-07

Blum, Theodore M.

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

Directive

Including polarized signal communication transmitter or...

H01Q 2106, H01Q 2124, H04B 710

Patent

active

055921779

ABSTRACT:
A wide bandwidth radio wave communication system having a dual feed pair of cross-polarized antennas having a common axis and being at orthogonal angles to each other. A source of RF signals is coupled to the antennas and a shifter device is between at least one of the pair of cross-polarized antennas and the source of RF signals for modulating the polarization of RF signals launched by the pair of cross-polarized antennas.

REFERENCES:
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patent: 3540045 (1970-11-01), Taylor
patent: 4084137 (1978-04-01), Welti
patent: 4198641 (1980-04-01), Gibson
patent: 4512024 (1985-04-01), Gutleber
patent: 4521878 (1985-06-01), Toyonaga
patent: 4968969 (1990-11-01), Drabowitch et al.
patent: 5068668 (1991-11-01), Tsuda et al.

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