Communications: directive radio wave systems and devices (e.g. – Directive – Including polarized signal communication transmitter or...
Patent
1988-06-17
1989-03-07
Blum, Theodore M.
Communications: directive radio wave systems and devices (e.g.,
Directive
Including polarized signal communication transmitter or...
455 63, 370 6, 370 78, H04B 710, H01Q 2106, H04J 112
Patent
active
048110213
ABSTRACT:
A dual polarization transmission system includes a first circuit for alternately arranging a plurality of channels having a first bandwidth on a first polarized wave and a second polarized wave orthogonal to the first polarized wave on a frequency axis, and a second circuit for alternately arranging a plurality of channels having a second bandwidth smaller than the first bandwidth on the opposite polarized wave having the same center frequency as that of a corresponding one of the channels arranged by the first circuit.
REFERENCES:
patent: 3742149 (1973-06-01), Yoshida et al.
Maeda Shigeki
Yoshimoto Makoto
Blum Theodore M.
Issing Gregory C.
NEC Corporation
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