WIRELESS POWER TRANSMITTER, WIRELESS POWER RECEIVER AND WIRELESS POWER TRANSMISSION METHOD
First Claim
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1. A wireless power transmitter comprising:
- a transmission coil for generating a magnetic field by receiving power from a power source;
a transmission resonant coil for transmitting power to a receiving coil by using the magnetic field generated from the transmission coil by using resonance;
a detection unit for detecting an approach of the receiving coil; and
a power regulator for adjusting an output of the power source, which supplies the power, based on the approach of the receiving coil detected by the detection unit.
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Abstract
Disclosed is a wireless power transmitter. A wireless power transmitter includes a transmission coil for generating a magnetic field by receiving power from a power source, a transmission resonant coil for transmitting power to a receiving coil by using the magnetic field generated from the transmission coil by using resonance, a detection unit for detecting an approach of the receiving coil and a power regulator for adjusting an output of the power source, which supplies the power, based on the approach of the receiving coil detected by the detection unit.
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Citations
24 Claims
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1. A wireless power transmitter comprising:
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a transmission coil for generating a magnetic field by receiving power from a power source; a transmission resonant coil for transmitting power to a receiving coil by using the magnetic field generated from the transmission coil by using resonance; a detection unit for detecting an approach of the receiving coil; and a power regulator for adjusting an output of the power source, which supplies the power, based on the approach of the receiving coil detected by the detection unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A wireless power receiver for wirelessly receiving power from a wireless power transmitter equipped with a detection unit, the wireless power receiver comprising:
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a receiving resonant coil for receiving AC power from the wireless power transmitter by using resonance; and a receiving coil for receiving the received AC power by using electromagnetic induction, wherein an approach of the receiving resonant coil to the wireless power transmitter is detected by the detection unit. - View Dependent Claims (10, 11, 12)
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13-16. -16. (canceled)
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17. A wireless power transmitter comprising:
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a first coil; a second coil coupled to the first coil to transmit power by using resonance; a detection unit for a state of a receiving side; and a power regulator for adjusting the power according to the detection result of the detection unit. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24)
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Specification