Apparatus equipped with a transmitting and receiving station for generating, converting and transmitting signals

A transmitting and a receiving station for generating, converting and transmitting and receiving speech signals are disclosed. The transmitting station includes a transducer for converting an acoustical signal into an analogue electrical signal and a band limiting filter for filtering out those comp...

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Bibliographische Detailangaben
1. Verfasser: FRUTIGER, PETER
Format: Patent
Sprache:eng
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