In order to facilitate impedance matching even when using a magnetic field antenna for power transmission in a medium, this underwater wireless power supply device 101 wirelessly transmits energy by resonating at a frequency determined by the impedance of a power transmission antenna 103, the impedance of a power receiving antenna 104, and the impedance of a good conductor medium 102. The power transmission antenna 103 and the power receiving antenna 104 have multiple antenna coils 1061, and multiple resonant antenna units 1051 to 1054 having at least one dielectric 1071 arranged between the multiple antenna coils 1061, and, at least one of the multiple resonant antenna units 1051 to 1054 is provided with a load adjustment mechanism 1081 for adjusting the load.


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    Titel :

    Wireless power supply device and wireless power supply method


    Beteiligte:

    Erscheinungsdatum :

    2021-03-16


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B63G OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS , Angriffs- oder Verteidigungsanordnungen auf Schiffen / H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS , Scheinwiderstandsnetzwerke, z.B. Resonanzkreise



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