TELEPHONE LINE CONNECTING DEVICE

PURPOSE:To obtain a simple and economical telephone line connector by designing the device that a dial tone, a ring back tone and response of an opposite party or the like from a telephone line are listened to by a loudspeaker. CONSTITUTION:In transmitting data indicating an outgoing call from a ter...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	ABE SHIYOUICHI
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!