METHOD AND APPARATUS FOR DATA COMMUNICATION IN WIRELESS POWER TRANSMISSION
First Claim
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1. A wireless power transmitter comprising:
- a resonance antenna configured towirelessly transmit a power to a wireless power receiver, andreceive a signal from the wireless power receiver, the signal comprising a sub-carrier; and
a controller configured toreceive the signal from the resonance antenna, andreceive data from the wireless power receiver based on the sub-carrier.
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Abstract
A method and apparatus for data communication in wireless power transmission are provided. A wireless power transmitter includes a resonance antenna configured to wirelessly transmit a power to a wireless power receiver, and receive a signal from the wireless power receiver, the signal including a sub-carrier. The wireless power transmitter further includes a controller configured to receive the signal from the resonance antenna, and receive data from the wireless power receiver based on the sub-carrier.
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Citations
20 Claims
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1. A wireless power transmitter comprising:
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a resonance antenna configured to wirelessly transmit a power to a wireless power receiver, and receive a signal from the wireless power receiver, the signal comprising a sub-carrier; and a controller configured to receive the signal from the resonance antenna, and receive data from the wireless power receiver based on the sub-carrier. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A wireless power receiver comprising:
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a resonance antenna configured to wirelessly receive a power from a wireless power transmitter; a controller configured to generate a communication signal comprising data to be transmitted to the wireless power transmitter; and a load modulator configured to receive the communication signal from the controller, and modulate a load of the wireless power receiver to generate an output signal based on the communication signal, the output signal comprising a sub-carrier allocated to the wireless power receiver, wherein the resonance antenna is further configured to receive the output signal from the load modulator, and transmit the output signal to the wireless power transmitter using the sub-carrier. - View Dependent Claims (12, 13, 14)
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15. A data communication method comprising:
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detecting a wireless power receiver; allocating, to the wireless power receiver, a frequency channel among frequency channels; transmitting a power to the wireless power receiver; and performing data communication with the wireless power receiver using the frequency channel. - View Dependent Claims (16, 17, 18, 19)
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20. A data transmission method comprising:
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generating a communication signal comprising data to be transmitted to a wireless power transmitter; and generating an output signal based on the communication signal, the output signal comprising a sub-carrier allocated to a wireless power receiver; and transmitting the output signal to the wireless power transmitter using the sub-carrier.
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Specification