A source device configured to transmit a magnetic field via magnetic resonance with a target device includes a source resonator including a plurality of loop circuits respectively configured to generate different magnetic fields each depending on a length of a corresponding one of the plurality of loop circuits, and a circuit selector configured to select one loop circuit among the plurality of loop circuits based on information associated with the target device.
Apparatus and method for controlling resonator of wireless power transmission system
2017-04-25
Patent
Electronic Resource
English
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 / H04B TRANSMISSION , Übertragung |
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