MONITORING DEVICE FOR TELEPHONE CALL TIME

PURPOSE:To prevent a communication circuit from being occupied by a specific terminal for a specific time or more by releasing the circuit through a network controller when a data transmitter is abnormal. CONSTITUTION:A telephone call time monitoring device 30 starts a timer mechanism by a signal 27...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	YANAI SHIGENOBU
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
Online-Zugang:	Volltext bestellen
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