Telecommunications – Transmitter and receiver at same station – With transmitter-receiver switching or interaction prevention
Patent
1993-11-10
1997-12-23
Eisenzopf, Reinhard J.
Telecommunications
Transmitter and receiver at same station
With transmitter-receiver switching or interaction prevention
455 84, 455307, 370280, H04B 144
Patent
active
057015945
ABSTRACT:
A radio frequency circuit for a TDMA mobile telephone system allows bulky and expensive IF filters to be saved by sharing common filters between transmit and receive channels by automatic switching of bidirectional SAW filters.
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Bath Gareth John Richard
Ring Steven Richard
Eisenzopf Reinhard J.
Nokia Mobile Phones Limited
Sobutka Philip J.
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