Provided is a contactless power supply system (1) including a transmission-side resonance circuit (43) configured to transmit electric power, a reception-side resonance circuit (51) configured to receive the electric power from the transmission-side resonance circuit (43), an alternating current magnetic field generation circuit (6) configured to generate an alternating current magnetic field for detecting a relative positional relationship between the transmission-side resonance circuit (43) and the reception-side resonance circuit (51), and a magnetic field detector (7) configured to detect the alternating current magnetic field. The contactless power supply system (1) performs contactless electric power transmission of magnetic field resonance coupling between a ground-side device (2) and a mobile body (3). A frequency of the position detecting alternating current magnetic field is different from a resonance frequency of each of the transmission-side resonance circuit (43) and the reception-side resonance circuit (51).


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    Title :

    CONTACTLESS POWER SUPPLY SYSTEM, POSITION ESTIMATION METHOD, MOBILE BODY, AND POWER SUPPLY DEVICE


    Additional title:

    KONTAKTLOSES STROMVERSORGUNGSSYSTEM, POSITIONSBESTIMMUNGSVERFAHREN, MOBILER KÖRPER UND STROMVERSORGUNGSVORRICHTUNG
    SYSTÈME D'ALIMENTATION ÉLECTRIQUE SANS CONTACT, PROCÉDÉ D'ESTIMATION DE POSITION, CORPS MOBILE, ET DISPOSITIF D'ALIMENTATION ÉLECTRIQUE


    Contributors:

    Publication date :

    2025-06-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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