Non-reciprocal bidirectional duplexer
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United States of America Patent
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Mar 13, 1990
Grant Date -
N/A
app pub date -
Mar 29, 1989
filing date -
Mar 29, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A non-reciprocal bidirectional duplexer includes a first transmission medium extending from a first terminal to a third terminal; a second transmission medium extending from the second terminal to the third terminal; and a plurality of non-reciprocal, bidirectional phase shifting elements, coupling the transmission mediums and spaced along them; each of the phase shifting elements includes means for amplifying a signal in a first direction from the first to the second transmission medium and for amplifying a signal in the second direction from the second to the first transmission medium; and means for establishing a phase differential between the signals moving in the first and second directions.
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