Device for hands-free telephony
The communication system comprises a central communication station (2) for establishing communication channels between several subscribers, or at least one user and a communications network. A communication channel comprises a back channel and a return channel. A microphone unit (1) is connected to...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | The communication system comprises a central communication station (2) for establishing communication channels between several subscribers, or at least one user and a communications network. A communication channel comprises a back channel and a return channel. A microphone unit (1) is connected to the communication station, through the channel. The communication system has loudspeaker units (3-6) which are selected simultaneously for simultaneous playback of the return channels. |
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