Apparatus and method for transmitting power and transceiving data using mutual resonance, and apparatus and method for receiving power and transceiving data using mutual resonance
First Claim
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1. An apparatus configured to transmit power and data, using mutual resonance, the apparatus comprising:
- a power transmitter configured to wirelessly transmit power to a device by using a first frequency, wherein the power transmitter comprises a first source resonator configured to transmit the power to a first target resonator of the device, wherein the first target resonator of the device resonates at the first frequency;
a communication unit configured to transmit data to the device by using a second frequency, based on mutual resonance between the communication unit and the device, wherein the communication unit comprises a second source resonator configured to transmit the data to a second target resonator of the device, wherein the second target resonator of the device resonates at the second frequency, and wherein the second source resonator has an overlapped area with the first source resonator;
a controller configured to determine a charging state of the device, based on the data received from the device, and to control an amount of the power, based on the charging state; and
a filter configured to block a signal of the first frequency or the second frequency, to prevent a magnetic field from being induced between the first source resonator and the second source resonator.
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Abstract
An apparatus configured to transmit power, and transceive data, using mutual resonance, includes a power transmitter configured to wirelessly transmit power to a device, using a power transmission frequency as a resonant frequency. The apparatus further includes a communication unit configured to transceive data to and from the device, using a communication frequency as a resonant frequency. The apparatus further includes a controller configured to determine a charging state of the device based on the data received from the device, and control an amount of the power based on the charging state.
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Citations
24 Claims
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1. An apparatus configured to transmit power and data, using mutual resonance, the apparatus comprising:
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a power transmitter configured to wirelessly transmit power to a device by using a first frequency, wherein the power transmitter comprises a first source resonator configured to transmit the power to a first target resonator of the device, wherein the first target resonator of the device resonates at the first frequency; a communication unit configured to transmit data to the device by using a second frequency, based on mutual resonance between the communication unit and the device, wherein the communication unit comprises a second source resonator configured to transmit the data to a second target resonator of the device, wherein the second target resonator of the device resonates at the second frequency, and wherein the second source resonator has an overlapped area with the first source resonator; a controller configured to determine a charging state of the device, based on the data received from the device, and to control an amount of the power, based on the charging state; and a filter configured to block a signal of the first frequency or the second frequency, to prevent a magnetic field from being induced between the first source resonator and the second source resonator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An apparatus configured to receive power and data, using mutual resonance, the apparatus comprising:
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a power receiver configured to wirelessly receive power from a device by using a first frequency, wherein the power receiver comprises a first target resonator configured to receive the power from a first source resonator of the device, wherein the first source resonator of the device resonates at the first frequency; a communication unit configured to receive data from the device by using a second frequency, based on mutual resonance between the communication unit and the device, wherein the communication unit comprises a second target resonator configured to receive the data from a second source resonator of the device wherein the second source resonator of the device resonates at the second frequency, and wherein the second target resonator has an overlapped area with the first target resonator; a controller configured to determine a charging state of a load, and determine the data to be transmitted to the device, based on the charging state; and a filter configured to block a signal of the first frequency or the second frequency, to prevent a magnetic field from being induced between the first target resonator and the second target resonator. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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19. A method of transmitting power and data, using mutual resonance, the method comprising:
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wirelessly transmitting wake-up power from a first source resonator to a device, by using a first frequency; transmitting communication power to the device, by using a second source resonator and a second frequency, based on mutual resonance between the communication resonator and the device, wherein the second source resonator has an overlapped area with the first source resonator; filtering a signal of the first frequency or the second frequency, to prevent a magnetic field from being induced between the first source resonator and the second source resonator; determining a charging state of the device, based on a change in an amplitude of the transmitted communication power; and controlling an amount of charging power to be transmitted to the device, using the first frequency, based on the charging state. - View Dependent Claims (20, 21, 22)
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23. A method comprising:
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wirelessly transmitting wake-up power to an apparatus, by using a first source resonator and a first frequency; wirelessly transmitting communication power to the apparatus, by using a second source resonator and a second frequency, wherein the second source resonator has an overlapped area with the first source resonator; filtering a signal of the first frequency or the second frequency, to prevent a magnetic field from being induced between the first source resonator and the second source resonator; determining whether or not data is received from the apparatus; and wirelessly transmitting charging power to the apparatus, using the first frequency, in response to determining that data is received from the apparatus. - View Dependent Claims (24)
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Specification