Apparatus and method for controlling resonator of wireless power transmission system
First Claim
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1. A source device transmitting a wireless power to a target device, the source device comprising:
- a source resonator comprising 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,wherein the source resonator further comprises;
a plurality of capacitors respectively corresponding to the plurality of loop circuits; and
a plurality of first switches respectively corresponding to the plurality of loop circuits and each configured to connect a corresponding one of the plurality of capacitors to a corresponding one of the plurality of loop circuits.
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Abstract
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.
8 Citations
26 Claims
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1. A source device transmitting a wireless power to a target device, the source device comprising:
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a source resonator comprising 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, wherein the source resonator further comprises; a plurality of capacitors respectively corresponding to the plurality of loop circuits; and a plurality of first switches respectively corresponding to the plurality of loop circuits and each configured to connect a corresponding one of the plurality of capacitors to a corresponding one of the plurality of loop circuits. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A target device receiving a wireless power from source device, the target device comprising:
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a target resonator comprising a plurality of loop circuits respectively configured to receive 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 source device, wherein the target resonator comprises; a plurality of capacitors respectively corresponding to the plurality of loop circuits; and a plurality of first switches respectively corresponding to the plurality of loop circuits and each configured to connect a corresponding one of the plurality of capacitors to a corresponding one of the plurality of loop circuits. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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21. A relay device relaying a wireless power from a source device to a target device, the relay device comprising:
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a relay resonator comprising a plurality of loop circuits respectively configured to relay 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 source device and information associated with the target device, wherein the relay resonator comprises; a plurality of capacitors respectively corresponding to the plurality of loop circuits; and a plurality of first switches respectively corresponding to the plurality of loop circuits and each configured to connect a corresponding one of the plurality of capacitors to a corresponding one of the plurality of loop circuits. - View Dependent Claims (22)
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23. A operating method of a source device transmitting a wireless power to a target device, the source device comprising a source resonator comprising a plurality of loop circuits, the method comprising:
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selecting one loop circuit among the plurality of loop circuits of the source resonator based on information associated with the target device; controlling a plurality of first switches based on the information associated with the target device, the plurality of first switches respectively corresponding to the plurality of loop circuits and each configured to connect a corresponding one of a plurality of capacitors to a corresponding one of the plurality of loop circuits; and generating a magnetic field corresponding to a length of the selected loop circuit. - View Dependent Claims (24)
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25. A operating method of a target device receiving a wireless power from a source device, the target device comprising a target resonator comprising a plurality of loop circuits, the method comprising:
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selecting one loop circuit among the plurality of loop circuits of the target resonator based on information associated with the source device; controlling a plurality of first switches based on the information associated with the source device, the plurality of first switches respectively corresponding to the plurality of loop circuits and each configured to connect a corresponding one of a plurality of capacitors to a corresponding one of the plurality of loop circuits; and receiving a magnetic field corresponding to a length of the selected loop circuit.
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26. A operating method of a relay device relaying a wireless power from a source device to a target device, the relay device comprising a relay resonator comprising a plurality of loop circuits, the method comprising:
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selecting one loop circuit among the plurality of loop circuits of the relay resonator based on information associated with the source device and the target device; controlling a plurality of first switches based on the information associated with the source device and the target device, the plurality of first switches respectively corresponding to the plurality of loop circuits and each configured to connect a corresponding one of a plurality of capacitors to a corresponding one of the plurality of loop circuits; and relaying a magnetic field corresponding to a length of the selected loop circuit.
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Specification