PROBLEM TO BE SOLVED: To provide a magnetic marker with suppressed magnetic force and a magnetic marker detection system.SOLUTION: A magnetic marker detection system 1S detects magnetism generated by a magnetic marker 1 installed on a road surface 53 by a magnetic sensor 2 attached to a vehicle body floor 50 of a vehicle 5. The magnetic marker detection system 1S is a system combining: a magnetic marker 1 having surface flux density of 40 mT or lower; and a magnetic sensor 2 using a magneto-impedance element including a magneto-sensitive body in which impedance in a high frequency region changes according to an external magnetic field.SELECTED DRAWING: Figure 1

    【課題】磁力を抑えた磁気マーカ及び磁気マーカ検出システムを提供すること。【解決手段】車両5の車体フロア50に取り付けた磁気センサ2により、路面53に敷設された磁気マーカ1が発生する磁気を検出する磁気マーカ検出システム1Sは、表面の磁束密度が40ミリテスラ以下の磁気マーカ1と、外部磁界に応じて高周波領域のインピーダンスが変化する感磁体を含むマグネトインピーダンス素子を用いた磁気センサ2と、を組み合わせたシステムである。【選択図】図1


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    Title :

    MAGNETIC MARKER AND MAGNETIC MARKER DETECTION SYSTEM


    Additional title:

    磁気マーカ及び磁気マーカ検出システム


    Contributors:

    Publication date :

    2017-04-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES , Systeme zum Steuern oder Regeln nichtelektrischer veränderlicher Größen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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