APPARATUS FOR ALERTING WORKERS ON RAILWAY TRACKS AT STATION ON APPROACHING ROLLING STOCK

FIELD: radio engineering, communication.SUBSTANCE: warning signal receiving unit includes a delay line and, connected in series, a threshold element, a time relay and a voice control unit, the output of which is connected to the control input of a radio station, the output of a microphone is connect...

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Hauptverfasser: VERIGO ALEKSANDR MIKHAJLOVICH, BLINDER IL'JA DAVIDOVICH, ANDRUSHKO OLEG SERGEEVICH
Format: Patent
Sprache:eng ; rus
Schlagworte:
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