WIRELESS POWER TRANSMISSION DEVICE AND CONTROL METHOD THEREFOR
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Accused Products
Abstract
A wireless power transmission device is disclosed. The device comprises: a charging pad; and a control unit included in the charging pad and specifying a power transmission group including a plurality of power transmission units for recognizing a wireless power reception device and at least one power transmission unit for transmitting power to the wireless power reception device, wherein the control unit can control a phase of the power transmission group for the wireless power reception device and adjust the power, to be transmitted to the wireless power reception device, of the power transmission group. Therefore, device efficiency can be improved.
6 Citations
45 Claims
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1-26. -26. (canceled)
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27. A method for controlling a wireless power transmission device equipped with a charging pad, the method comprising:
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recognizing a wireless power reception device through a plurality of power transmission units included in the charging pad; specifying a power transmission group including at least one power transmission unit to transmit power to the wireless power reception device; receiving state information from the wireless power reception device; allocating power to be transmitted through the specified power transmission group based on the state information and an available amount of power of the wireless power transmission device; and providing the allocated power to the wireless power reception device through the specified power transmission group. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35)
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36. A wireless power transmission device comprising:
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a charging pad; a plurality of power transmission units configured to recognize a wireless power reception device disposed in the charging pad; and a controller configured to specify a power transmission group including at least one power transmission unit to transmit power to the wireless power reception device, wherein the controller performs a control operation to; receive state information from the wireless power reception device; allocate power to be transmitted through the specified power transmission group based on the state information and an available amount of power of the wireless power transmission device; and provide the allocated power to the wireless power reception device through the specified power transmission group. - View Dependent Claims (37, 38, 39, 40, 41, 42, 43, 44, 45)
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Specification