Electronic anti-theft alarm device for personal belongings

The utility model discloses an electronic anti-theft alarm device for personal belongings, which is characterized by comprising a sensor module, an alarm module, a master switch and a power module, wherein the sensor module consists of an infrared emitting diode and a phototriode; after passing the...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN SHAOHUA, LV ZUOJUN, LI LIN, SUN QINGSHU, ZENG JIE, ZHANG HAIKUO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALARM SYSTEMS ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS
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