WIRELESS POWER TRANSMITTER AND WIRELESS POWER TRANSFER METHOD THEREOF IN MANY-TO-ONE COMMUNICATION
First Claim
1. A wireless power transfer method for a wireless power transmitter which transfers power in a wireless manner by forming a wireless power signal, the method comprising:
- acquiring control errors corresponding to a plurality of wireless power receivers, respectively;
detecting transmission parameters corresponding to the plurality of wireless power receivers, respectively, based on the acquired control errors; and
transferring power in the wireless manner to each of the plurality of wireless power receivers by forming the wireless power signal based on the detected transmission parameters.
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Abstract
A wireless power transmitter for transmitting power in a wireless manner by forming a wireless power signal and a wireless power transfer method thereof are capable of optimizing transmission efficiency for a plurality of wireless power receivers, by deciding an optimal transmission parameter (especially, a frequency corresponding to the wireless power signal or a resonant frequency) for the plurality of wireless power receivers based on control errors received from the plurality of wireless power receivers, respectively, via respective time slots allocated to the plurality of wireless power receivers.
313 Citations
22 Claims
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1. A wireless power transfer method for a wireless power transmitter which transfers power in a wireless manner by forming a wireless power signal, the method comprising:
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acquiring control errors corresponding to a plurality of wireless power receivers, respectively; detecting transmission parameters corresponding to the plurality of wireless power receivers, respectively, based on the acquired control errors; and transferring power in the wireless manner to each of the plurality of wireless power receivers by forming the wireless power signal based on the detected transmission parameters. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A wireless power transmitter comprising:
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a power transmission unit configured to transmit a wireless power signal and acquire control errors from a plurality of wireless power receivers receiving the wireless power signal, respectively; and a controller configured to detect transmission parameters corresponding to the plurality of wireless power receivers, respectively, based on the acquired control errors, and controls the power transmission unit to transmit power in a wireless manner to each of the plurality of wireless power receivers by forming the wireless power signal based on the detected transmission parameters. - View Dependent Claims (20, 21, 22)
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Specification