Telecommunications – Transmitter and receiver at same station – With transmitter-receiver switching or interaction prevention
Patent
1985-01-25
1987-06-30
Ng, Jin F.
Telecommunications
Transmitter and receiver at same station
With transmitter-receiver switching or interaction prevention
455 83, H04B 146
Patent
active
046776885
ABSTRACT:
A radio transceiver, improved in that an antenna switching circuit is so connected between an antenna and the transmitting and receiving sections of the transceiver that a filter for removing spurious emission components from a transmitted wave is connected only to the transmitting section of the transceiver, whereby insertion loss of a received wave is avoided.
REFERENCES:
patent: 3117241 (1964-01-01), Paynter et al.
patent: 3227954 (1966-01-01), Fichter, Jr.
patent: 3327215 (1967-06-01), Battin et al.
patent: 3452299 (1969-06-01), Angel
patent: 4055807 (1977-10-01), Priniski et al.
Miyashita Hideo
Yoshihara Shigeo
NEC Corporation
Ng Jin F.
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