An automatic tuning assist circuit is coupled with a transmission antenna. The automatic tuning assist circuit injects a correction current into, or otherwise draws the correction current from, the transmission antenna. An H-bridge circuit is arranged between a first terminal and a second terminal coupled with the transmission antenna. The H-bridge circuit is switched on and off with a frequency that is equal to the frequency of a driving voltage. A third auxiliary coil is arranged between the output terminals of the H-bridge circuit.


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    Titel :

    Wireless power transmitter and wireless power receiver


    Beteiligte:
    ENDO YUKI (Autor:in) / FURUKAWA YASUO (Autor:in)

    Erscheinungsdatum :

    2017-05-02


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H01F MAGNETS , Magnete / 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 / H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS , Scheinwiderstandsnetzwerke, z.B. Resonanzkreise / H04B TRANSMISSION , Übertragung



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