Telecommunications – Transmitter and receiver at same station – With transmitter-receiver switching or interaction prevention
Patent
1992-12-07
1999-11-23
Chin, Wellington
Telecommunications
Transmitter and receiver at same station
With transmitter-receiver switching or interaction prevention
455 82, 455283, 455120, 333132, 333126, H04B 148
Patent
active
059916060
ABSTRACT:
A pair of filter units directs incoming signals from an antenna and outgoing signals to the antenna. One of the filter units blocks the outgoing signals and passes the incoming signals while the other of the filter units blocks the incoming signals and passes the outgoing signals.
REFERENCES:
patent: 3656162 (1972-04-01), Mee
patent: 4095229 (1978-06-01), Elliot
patent: 5023866 (1991-06-01), DeMuro
patent: 5170493 (1992-12-01), Roth
patent: 5212815 (1993-05-01), Schumacher
Mann Olaf
Rummeli Bernd
Chin Wellington
RR Elektronische Gerate GmbH & Co.
Sobutka Philip J.
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