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公开(公告)号：USRE49564E1
公开(公告)日：2023-06-27
申请号：US17139943
申请日：2020-12-31
发明人： Dong Zo Kim , Sang Wook Kwon , Ki Young Kim , Bong Chui Kim , Yun Kwon Park , Jae Hyun Park , Keum Su Song , Chi Hyung Ahn , Young Ho Ryu , Byoung Hee Lee
CPC分类号： H02J7/00714 , H02J50/12 , H02J50/80 , H01F38/14 , H02J50/40
摘要： A wireless power transmission apparatus includes a source resonator configured to transmit an output power from which a harmonic component has been cancelled to a wireless power reception apparatus by resonating with a target resonator of the wireless power transmission apparatus, and a resonant power generator configured to differentially input a first input signal and a second input signal to the source resonator, and cancel the harmonic component of the output power.
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公开(公告)号：US10355533B2
公开(公告)日：2019-07-16
申请号：US16257935
申请日：2019-01-25
发明人： Nam Yun Kim , Sang Wook Kwon , Yun Kwon Park
IPC分类号： H02J50/12 , H02J50/40 , H02J50/90 , H02J7/02 , H02J50/80 , G01R23/04 , G01R27/04 , H02J5/00 , H02J7/00
摘要： A wireless power transmission system, and a method for controlling wireless power transmission and wireless power reception are provided. According to an aspect, a method for controlling a wireless power transmission may include: detecting a plurality of target devices used to wirelessly receive power; selecting a source resonating unit from among a plurality of source resonating units, based on the amount of power to be transmitted to one or more of the plurality of target devices, a coupling factor associated with one or more of the plurality of target devices, or both; and wirelessly transmitting power to a target device using the selected source resonating unit.
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公开(公告)号：US10236723B2
公开(公告)日：2019-03-19
申请号：US15646728
申请日：2017-07-11
发明人： Nam Yun Kim , Sang Wook Kwon , Yun Kwon Park
IPC分类号： H02J50/12 , H02J50/80 , H02J50/90 , H02J50/40 , H02J5/00 , H02J7/02 , G01R23/04 , G01R27/04 , H02J7/00
摘要： A wireless power transmission system, and a method for controlling wireless power transmission and wireless power reception are provided. According to an aspect, a method for controlling a wireless power transmission may include: detecting a plurality of target devices used to wirelessly receive power; selecting a source resonating unit from among a plurality of source resonating units, based on the amount of power to be transmitted to one or more of the plurality of target devices, a coupling factor associated with one or more of the plurality of target devices, or both; and wirelessly transmitting power to a target device using the selected source resonating unit.
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公开(公告)号：US10211683B2
公开(公告)日：2019-02-19
申请号：US14337611
申请日：2014-07-22
发明人： Nam Yun Kim , Sang Wook Kwon , Dong Zo Kim , Bong Chul Kim , Yun Kwon Park , Chi Hyung Ahn , Byoung Hee Lee
摘要： An authentication of a power transmitting unit (PTU) includes determining whether an access right to an external device is present in a power receiving unit (PRU) based on identification information of the PRU, and network-connecting the PRU to the external device in response to a result of the determining being that the access right is present in the PRU.
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公开(公告)号：US09906045B2
公开(公告)日：2018-02-27
申请号：US14331996
申请日：2014-07-15
发明人： Nam Yun Kim , Sang Wook Kwon , Hyuk Choon Kwon , Ki Young Kim , Bong Chul Kim , Yun Kwon Park
CPC分类号： H02J5/005 , H02J7/025 , H02J50/12 , H02J50/40 , H02J50/80 , H04B5/0031 , H04B5/0037 , H04B5/0081
摘要： A method of synchronization control of a power transmitting unit (PTU) includes network-connecting a PTU to a PTU operating in a slave mode by setting an operation mode of the PTU to a master mode, and transmitting a signal to a power receiving unit (PRU) by controlling either one or both of a communication time and a communication frequency of the PTU operating in the slave mode.
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公开(公告)号：US09881733B2
公开(公告)日：2018-01-30
申请号：US14019306
申请日：2013-09-05
发明人： Nam Yun Kim , Sang Wook Kwon , Ki Young Kim , Yun Kwon Park , Chang Wook Yoon
CPC分类号： H01F38/14 , B60L11/182 , B60L11/1833 , B60L11/1842 , B60L11/1846 , B60L2210/10 , B60L2210/30 , B60L2210/40 , B60L2250/12 , B60L2250/16 , B60L2250/20 , H02J5/005 , H02J7/00 , H02J7/0054 , H02J7/025 , H02J50/12 , H02J50/40 , H02J50/60 , H02J50/80 , Y02E60/721 , Y02T10/7005 , Y02T10/7072 , Y02T10/7216 , Y02T10/7241 , Y02T90/121 , Y02T90/122 , Y02T90/125 , Y02T90/127 , Y02T90/128 , Y02T90/14 , Y02T90/163 , Y02T90/169 , Y04S10/126 , Y04S30/14
摘要： An apparatus that transmits and receives wireless power, includes a controller configured to determine whether the apparatus is to operate in a power reception mode or a power transmission mode based on a capacity of a battery of the apparatus, and a capacity of a battery of another apparatus. The apparatus further includes a resonator configured to receive power from the other apparatus in response to the apparatus being determined to operate in the power reception mode, and transmit power to the other apparatus in response to the apparatus being determined to operate in the power transmission mode.
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公开(公告)号：US09787105B2
公开(公告)日：2017-10-10
申请号：US14980886
申请日：2015-12-28
发明人： Jin Sung Choi , Young Tack Hong , Sang Wook Kwon , Yun Kwon Park , Young Goo Yang , Eun Seok Park , Ki Young Kim , Young Ho Ryu , Nam Yun Kim , Dong Zo Kim
摘要： A high efficiency variable power transmitting apparatus outputs a variable power by modulating, with respect to a time axis, a high frequency signal having a constant amplitude by turning the high frequency signal ON and OFF, amplifying the variable power to satisfy a requested power level of a target device based on a supply voltage having a predetermined level, converting an alternating current (AC) voltage received from a power source to a direct current (DC) voltage, generating the supply voltage having the predetermined level based on the DC voltage, and providing the supply voltage having the predetermined level to the PA.
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公开(公告)号：US09748800B2
公开(公告)日：2017-08-29
申请号：US13675055
申请日：2012-11-13
发明人： Nam Yun Kim , Sang Wook Kwon , Yun Kwon Park , Eun Seok Park , Ki Young Kim , Young Ho Ryu , Dong Zo Kim , Jin Sung Choi , Chang Wook Yoon
摘要： A wireless power transmission system, and a method of controlling power in the wireless power transmission system based on a detection parameter are provided. The method includes transmitting a request signal to a device. The method further includes receiving, from the device, a response signal corresponding to the request signal, the response signal including a parameter of the device. The method further includes generating an operation power based on the parameter of the device, the operation power being used for an operation of the device.
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公开(公告)号：US09685994B2
公开(公告)日：2017-06-20
申请号：US14096915
申请日：2013-12-04
发明人： Dong Zo Kim , Sang Wook Kwon , Ki Young Kim , Nam Yun Kim , Yun Kwon Park , Jae Hyun Park , Keum Su Song , Chi Hyung Ahn , Young Ho Ryu , Jong Won Yu , Chang Wook Yoon , Wang Sang Lee
CPC分类号： H04B5/0037 , H01Q1/521 , H01Q5/40 , H01Q7/00 , H01Q21/28 , H04B5/0031
摘要： A dual antenna for wireless communication transmission (WPT) and near field communication (NFC) includes a loop antenna, and a dual loop antenna disposed at an inside and an outside of the loop antenna.
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公开(公告)号：US09633780B2
公开(公告)日：2017-04-25
申请号：US14023758
申请日：2013-09-11
发明人： KeumSu Song , Sang Wook Kwon , Ki Young Kim , Nam Yun Kim , Dong Zo Kim , Yun Kwon Park , Chi Hyung Ahn , Young Ho Ryu , Chang Wook Yoon , Jin Sung Choi
IPC分类号： H01F27/42 , H01F37/00 , H01F38/00 , H01F38/14 , H04B1/69 , H02J5/00 , H04B5/00 , B60L11/18 , H02J7/02
CPC分类号： H01F38/14 , B60L11/182 , B60L11/1833 , B60L2210/10 , B60L2210/30 , B60L2210/40 , H02J5/005 , H02J7/025 , H02J50/12 , H02J50/40 , H02J50/80 , H02J50/90 , H04B1/69 , H04B5/0012 , H04B5/0037 , Y02T10/7005 , Y02T10/7072 , Y02T10/7216 , Y02T10/7241 , Y02T90/12 , Y02T90/121 , Y02T90/122 , Y02T90/125 , Y02T90/127 , Y02T90/14
摘要： A source device configured to transmit a magnetic field via magnetic resonance with a target device includes a source resonator including a plurality of loop circuits respectively configured to generate different magnetic fields each depending on a length of a corresponding one of the plurality of loop circuits, and a circuit selector configured to select one loop circuit among the plurality of loop circuits based on information associated with the target device.
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