ONBOARD DEVICE OF AUTOMATIC TRAIN STOP SYSTEM

PROBLEM TO BE SOLVED: To obtain an onboard device of an automatic train stop system, which can ensure the safety by monitoring the soundness in acquiring signal aspect information from a ground set while detecting the connection between an onboard set and the ground set by detecting the variation in...

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Bibliographische Detailangaben
1. Verfasser:	TAWARA KAZUHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL ENSURING THE SAFETY OF RAILWAY TRAFFIC GENERATION OF NOISE BY SUCH CIRCUITS GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING,BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN ANON-SWITCHING MANNER GUIDING RAILWAY TRAFFIC MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS RAILWAYS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain an onboard device of an automatic train stop system, which can ensure the safety by monitoring the soundness in acquiring signal aspect information from a ground set while detecting the connection between an onboard set and the ground set by detecting the variation in impedance of the onboard set which changes based on connection with the ground set without influencing usual operation activities.SOLUTION: An impedance change detecting circuit is constituted of the onboard set 2 and a detecting part 301. The detecting part 301 has an impedance changing part 51 which changes the impedance of the impedance change detecting circuit, and an impedance change detecting part 52 for determining that an activity of acquiring the signal aspect information is sound, when detecting the impedance change while detecting the preset change in the characteristics of a plurality of frequency signals due to the impedance change of the impedance change detecting circuit by the impedance changing part 51.