Telecommunications – Transmitter and receiver at same station – With a common signal processing stage
Patent
1992-12-02
1994-09-20
Eisenzopf, Reinhard J.
Telecommunications
Transmitter and receiver at same station
With a common signal processing stage
4552001, 4552342, 455349, 379 61, 379420, H04B 116
Patent
active
053496981
ABSTRACT:
In a radio communication apparatus which is capable of using a selected terminal unit selected from a plurality of terminal units, a logic part detects the kind of the selected terminal unit to produce a type signal representative of the selected kind. Responsive to the type signal, the logic part controls an adjusting part which produces an adjusted signal. As a result, the adjusted signal has a selected level which is selected for the selected terminal unit in accordance with the type signal. Responsive to the adjusted signal, the selected terminal unit generates an audible signal having a volume which is adjusted in accordance with the selected level. Additionally, the volume can be manually adjusted by an operator.
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patent: 5008953 (1991-04-01), Dahlin et al.
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Eisenzopf Reinhard J.
NEC Corporation
Pham Chi
LandOfFree
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