FATAL ACCIDENT PREVENTING SYSTEM

PROBLEM TO BE SOLVED: To provide a fatal accident preventing system that distinguishes and detects a thing invading into a railway without requiring man power and emergency-stops a train only when the thing is a falling person. SOLUTION: This fatal accident preventing system includes a transmission-...

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Bibliographische Detailangaben
1. Verfasser:	KAZAMA SEISUKE
Format:	Patent
Sprache:	eng
Schlagworte:	ALARM SYSTEMS ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING ORDER TELEGRAPHS PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SIGNALLING SIGNALLING OR CALLING SYSTEMS TESTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a fatal accident preventing system that distinguishes and detects a thing invading into a railway without requiring man power and emergency-stops a train only when the thing is a falling person. SOLUTION: This fatal accident preventing system includes a transmission-side leakage transmission line and receiving-side leakage transmission line arranged on both sides of the railway which the train approaches, an RF module for generating a transmission spectrum diffusion signal and transmitting it to the transmission-side leakage transmission line, and a sensor card for analyzing the variation in received leakage electric field and specifying the position of an invasion object. When the difference of the positions of the invasion object specified at time points before and after a predetermined cycle is less than a predetermined threshold, it is considered that there is an invader and an emergency stop of the train is commanded. COPYRIGHT: (C)2010,JPO&INPIT