Emergency alarm device

The utility model provides an emergency alarm device, including the alarm device main part install three camera in the alarm device main part, at every the lower part of camera is equipped with the urgent alarm button of a key formula and the pronunciation interface of talkbacking respectively the t...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Xiao Chunzao, Wang Linyang, Sun Zhenwen, Sun Dacheng, Gao Zhenzhou
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALARM SYSTEMS CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS ORDER TELEGRAPHS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION REGULATING SIGNALLING SIGNALLING OR CALLING SYSTEMS
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