SIGNAL CALLER DISPLAY UNIT

PROBLEM TO BE SOLVED: To solve the following problem: as conventional announcement means for emergency, an announcement by telephone is made to the authority such as a fire department or an announcement according to transmission by telephone or announcement bell or the like is made by concluding a c...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	KURODA YASUJI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ALARM SYSTEMS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS TELEPHONIC COMMUNICATION
Online-Zugang:	Volltext bestellen
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