Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1997-12-09
1999-02-23
To, Doris H.
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455 671, 455 674, 379 1, 375224, 370241, H04B 1700
Patent
active
058753974
ABSTRACT:
The present invention concerns a communications system including a communications apparatus (KV) and a test apparatus for testing of the communications apparatus, as well as a method for testing of a communications apparatus (KV). The communications apparatus includes a plurality of telephones (T.sub.1 to T.sub.n) and at least a transmission station (UEV) for transmitting signals. The test apparatus includes a central signal processing apparatus (ZV) with at least a programmable data processing apparatus (S) for the generation of digital test signals for testing of the telephone communications apparatus (KV) and a converter apparatus (WV) connected with the programmable data processing apparatus (S). The converter apparatus (WV) is constructed so that it converts the digital test signals of the data processing apparatus (S) under the control of telephone specific configuration data into operating signals for controlling the operation of the keypad and of the microphone of the telephone (T.sub.n) via a connection apparatus (AV) and further so that it converts answer signals received from the loudspeaker and from the calling apparatus of the telephone (T.sub.n) into digital operating answer signals and transfers them to the programmable data processing apparatus (S), where they are saved or evaluated.
REFERENCES:
patent: 4707849 (1987-11-01), Rault et al.
patent: 4927789 (1990-05-01), Shirley, Jr. et al.
patent: 5481588 (1996-01-01), Rickii et al.
patent: 5504800 (1996-04-01), Yehushua et al.
Hermanns Steffen
Sasin Tiberius
Telefonaktiebolaget LM Ericsson
To Doris H.
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