Telecommunications – Transmitter and receiver at same station – With a common signal processing stage
Patent
1991-05-10
1992-04-28
Eisenzopf, Reinhard J.
Telecommunications
Transmitter and receiver at same station
With a common signal processing stage
455 90, 455348, 455349, 455351, H04B 138, H04B 108
Patent
active
051095408
ABSTRACT:
A portable two-way radio includes a radio portion and a battery removably attached to the radio portion. The radio portion includes an opening that is accessible when the battery is removed. An electronic card is received by the radio portion through the opening. When reassembled, the battery retains the electronic card in the radio portion.
REFERENCES:
patent: 4177426 (1979-12-01), Gaishin et al.
patent: 4283796 (1981-08-01), Hughes
patent: 4641370 (1987-02-01), Oyamada
patent: 4718110 (1988-01-01), Schaefer
Chambers Randall P.
Dzung John C.
Monahan-Mitchell Timothy A.
Quiroga Emilio J.
Siddoway Craig F.
Eisenzopf Reinhard J.
Faile Andrew
Motorola Inc.
Nichols Daniel K.
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