Redundant power supply power loss alarm method and circuit

The invention relates to the technical field of alarm circuits, in particular to a redundant power supply power-losing alarm method and circuit, by means of the characteristic that a power supply indicates that voltages at two ends of an LED light-emitting tube are fixed values, the voltages serve a...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	QIAO DEYU, SONG WEI, WANG ZHEN, BI YIJUN, LIU HAIBIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING
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