Electronic power cut alarm

Electronic power cut alarm

The utility model discloses an electronic blackout alarm, comprising a signal processing circuit, a triode control circuit and a charged triode circuit, the output end of signal processing circuit is connected with the input end of triode control circuit, the output end of triode control circuit is...

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1. Verfasser: YULIAN XIONG
Format: Patent
Sprache:eng
Schlagworte:
ALARM SYSTEMS
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
TESTING
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creator YULIAN XIONG
description The utility model discloses an electronic blackout alarm, comprising a signal processing circuit, a triode control circuit and a charged triode circuit, the output end of signal processing circuit is connected with the input end of triode control circuit, the output end of triode control circuit is connected with the input end of charged triode circuit .The triode control circuit is a simplified non-gate triode circuit, an electronic buzzer(9) is connected with the charged triode circuit, when the power is on, the triode control circuit output is in low level, the charged triode circuit works in off condition, the buzzer(9) is not audible. When the power is off, the triode control circuit output is in high level, the charged triode circuit works in on condition, the buzzer(9) is audible alarm. The utility model has the advantages of low energy consumption and obvious energy-saving function.
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subjects ALARM SYSTEMS
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
TESTING
title Electronic power cut alarm
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