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公开(公告)号：US20240356380A1
公开(公告)日：2024-10-24
申请号：US18592509
申请日：2024-02-29
Inventor： Sang-Won KIM , Gwangzeen KO , Seong-Min KIM , Kyeseok YOON , In Kui CHO
CPC classification number: H02J50/402 , H02J50/12 , H02J50/70
Abstract: A wireless charging system for attenuating electromagnetic waves is provided. The wireless charging system includes a transmitter including a clock generator configured to generate clock signals having reverse phases from each other, inverters configured to output inverter voltage/current signals having a same magnitude and reverse phases from each other using the clock signals generated by the clock generator, matching portions respectively connected to the inverters and configured to output transmission coil voltage/current signals having a same magnitude and reverse phases from each other using the inverter voltage/current signals, and transmission coils respectively connected to the matching portions and configured to generate magnetic fields towards a reception coil using the transmission coil voltage/current signals.
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公开(公告)号：US20240257489A1
公开(公告)日：2024-08-01
申请号：US18348106
申请日：2023-07-06
Inventor： Gwangzeen KO , Sang-Won KIM , Seong-Min KIM , Jung Ick MOON , In Kui CHO
Abstract: The present disclosure relates to an image processing method for a multi-dimensional region of interest (ROI) in a wireless charging system. More specifically, the method includes determining whether a surveillance target exists in the multi-dimensional ROI by performing, regarding the surveillance target, the process of removing a false-alarm region and including an excluded ROI.
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公开(公告)号：US20240153689A1
公开(公告)日：2024-05-09
申请号：US18500820
申请日：2023-11-02
Inventor： Je Hoon YUN , Gwangzeen KO , Seong-Min KIM , Jung Ick MOON , Seung Keun PARK , Dong-won JANG , In Kui CHO
CPC classification number: H01F5/04 , H01F27/2852 , H01F38/14 , H01F2005/006
Abstract: A resonant coil coupled with an electromagnetic field is disclosed. A Fraunhofer resonant coil includes an upper spiral element and a lower spiral element, an upper conical element connected to the upper spiral element and including one or more layers formed of a plurality of plies, a lower conical element connected to the lower spiral element and including one or more layers formed of a plurality of plies, and a feeding device connected to a gap between the upper conical element and the lower conical element and configured to supply power.
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Patent Agency Ranking
公开(公告)号：US20230352977A1
公开(公告)日：2023-11-02
申请号：US18103940
申请日：2023-01-31
Inventor： Jung Ick MOON , Gwangzeen KO , Sang-Won KIM , Seong-Min KIM , In Kui CHO
Abstract: Provided is a method of wirelessly transmitting power and a device for performing the method. The wireless power transmission device includes a transmission coil configured to wirelessly transmit power to at least one of a plurality of receivers according to a transmission frequency and a processor configured to control at least one of the transmission frequency or resonant frequencies of the plurality of receivers, and the processor is configured to set the resonant frequencies of the plurality of receivers differently based on the transmission frequency at which the wireless power transmission device wirelessly transmits power, determine a transmission amount of power to be wirelessly transmitted to each of the plurality of receivers, and change at least one of the transmission frequency or the resonant frequencies of the plurality of receivers based on the transmission amount.
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15.发明公开公开(公告)号：US20240322601A1
公开(公告)日：2024-09-26
申请号：US18611412
申请日：2024-03-20
Inventor： Gwangzeen KO , Sang-Won KIM , Seong-Min KIM , Jung Ick MOON , In Kui CHO
Abstract: A wireless power transmitter that changes an operation frequency and an operation method of the same are provided. The operation method includes controlling the wireless power transmitter to operate at a first operation frequency included in an operation frequency set, changing an operation frequency of the wireless power transmitter from the first operation frequency to a second operation frequency that is different from an operation frequency of a second wireless power transmitter that is adjacent to the wireless power transmitter for every channel duration, and controlling the wireless power transmitter to operate at the second operation frequency.
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公开(公告)号：US20230387722A1
公开(公告)日：2023-11-30
申请号：US18095697
申请日：2023-01-11
Inventor： Sang-Won KIM , Gwangzeen KO , Seong-Min KIM , Jung Ick MOON , Je Hoon YUN , In Kui CHO , Saidul Alam Chowdhury , Shahid Ali Khan , Duk Ju AHN
IPC: H02J50/12
CPC classification number: H02J50/12
Abstract: Provided is a wireless power reception apparatus. The wireless power reception apparatus includes a resonant circuit including a first path and a second path, the first path including a first capacitor and a first gate connected in series, and the second path being connected in parallel with the first path and including a second capacitor and a second gate connected in series and a reception coil connected to the resonant circuit, configured to wirelessly receive power based on a capacitance of the resonant circuit, and to generate power according to the wirelessly received power, wherein the resonant circuit is configured to determine a gate driving signal to operate the first gate and the second gate and wherein the capacitance of the resonant circuit is determined according to the gate driving signal.
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公开(公告)号：US20230317356A1
公开(公告)日：2023-10-05
申请号：US18078577
申请日：2022-12-09
Inventor： Jung Ick MOON , Gwangzeen KO , Sang-Won KIM , Seong-Min KIM , In Kui CHO
CPC classification number: H01F27/2823 , H02J50/10 , H02J50/005 , H01F27/06
Abstract: Provided is a spiral coil and wireless power transmission and reception circuit including the spiral coil. The spiral coil includes a conducting wire forming one or more coil turns, and a height of one side of the conducting wire in a direction of a central portion of the spiral coil and a height of another side of the conducting wire in an opposite direction to the central portion of the spiral coil in each of the coil turns are different from each other and the conducting wire includes at least one slot formed by an empty space between the one side and the other side, and an upper surface positioned above the one side and the other side and connecting the one side and the other side.
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公开(公告)号：US20140286244A1
公开(公告)日：2014-09-25
申请号：US13944411
申请日：2013-07-17
Inventor： Gwangzeen KO , Jinhyung OH , Igor KIM , Myung Sun SONG
IPC: H04L5/00
CPC classification number: H04L5/0092 , H04W28/16 , H04W84/18
Abstract: An apparatus for controlling a near field wireless network, includes a wireless network controller included in a management plane of a wireless access point and configured to observe wireless physical layer/media access controller layer (PHY/MAC) protocols and perform a management procedure on wired MAC/PHY protocols within the wireless access point. Further, the apparatus includes a wireless network central management unit included in a management plane of a switch and configured to perform a management procedure on the wired MAC/PHY protocols within the switch.
Abstract translation: 一种用于控制近场无线网络的装置，包括无线接入点的管理平面中包括的无线网络控制器，并被配置为观察无线物理层/媒体接入控制器层（PHY / MAC）协议，并执行有线 无线接入点内的MAC / PHY协议。 此外，该装置包括无线网络中央管理单元，其包括在交换机的管理平面中并且被配置为对交换机内的有线MAC / PHY协议执行管理过程。
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