Emergency call for help plate

An emergency call for help plate comprises a box body, a singlechip, a microphone, a voice chip, an LED, a speaker and buttons and is characterized in that the surface of the box body is connected with the LED and the microphone; the microphone is connected with the singlechip; and the singlechip is...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZENG GA, LI HUAYING, ZENG JIE, CHANG YINI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALARM SYSTEMS ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!