| 摘要 |
Perimetric protection system by means of metallic glass electromagnetic sensors by means of a ribbon of high magnetostrictive material which acting as core of a pair of electromagnetic coils mounted on a common support and acting as primary and secondary, respectively, diverse sensors being connected to a concentrator receiving the signals from the sensors, showing on a principal monitor provided with a display screen the anomalies existing, the monitor being able to put dissuasive measures into operation and having a connection to an alarms centre.
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