WIRELESS POWER SUPPLY APPARATUS, WIRELESS CHARGING APPARATUS, AND WIRELESS CHARGING SYSTEM USING THE SAME
First Claim
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1. A wireless power supply apparatus that wirelessly supplies power to an external device in a resonant method, the wireless power supply apparatus comprising:
- a sensing resonator that senses for the external device;
a transmission resonator that transmits energy to the external device by magnetic resonance; and
a transmission circuit that controls the transmission resonator in accordance with an output of the sensing resonator.
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Abstract
A wireless charging apparatus and a wireless charging system using the same are provided. The wireless charging apparatus includes a sensing resonator that senses for an external device; a transmission resonator that transmits energy to the external device by magnetic resonance; and a transmission circuit that controls the transmission resonator in accordance with an output of the sensing resonator.
48 Citations
29 Claims
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1. A wireless power supply apparatus that wirelessly supplies power to an external device in a resonant method, the wireless power supply apparatus comprising:
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a sensing resonator that senses for the external device; a transmission resonator that transmits energy to the external device by magnetic resonance; and a transmission circuit that controls the transmission resonator in accordance with an output of the sensing resonator. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A wireless charging apparatus included in a wireless charging system, the wireless charging apparatus comprising:
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a transmission resonator; a transmission circuit that resonates the transmission resonator by generating a magnetic field; and a sensing resonator that controls whether to resonate the transmission resonator based on a distance between an external device to be charged and the wireless charging apparatus. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A wireless charging system comprising:
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a transmitter including a transmission resonator;
a transmission circuit that resonates the transmission resonator by generating a magnetic field; and
a sensing resonator that controls whether to resonate the transmission resonator based on a distance between an external device to be charged and the transmitter of the wireless charging system; anda receiver including a reception resonator that receives energy from the transmission resonator; and
a reception circuit that converts the energy received by the reception resonator into electric energy. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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Specification