VOICE SENDING DEVICE FOR EXCHANGE SYSTEM

PURPOSE:To enable a response signal from a user to be surely received in course of sending a voice guidance signal by eliminating the frequency component of the response signal from a frequency component corresponding to the voice guidance signal with the aid of a band elimination filter (a BPF). CO...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HORI KOSEI, KOBASHI SHOICHI
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION
Online-Zugang:	Volltext bestellen
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