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公开(公告)号：US20240213814A1
公开(公告)日：2024-06-27
申请号：US18489536
申请日：2023-10-18
Inventor： Jung Ick MOON , Gwangzeen KO , Sang-Won KIM , Seong-Min KIM , In Kui CHO
CPC classification number: H02J50/60 , H02J50/10 , H02J50/402
Abstract: A wireless charging system, a method of removing a foreign object in the wireless charging system, and a computing device performing the method are provided. The wireless charging system includes a transmission coil cover mounted to surround a transmission coil of a transmission device, a reception coil cover mounted to surround a reception coil of a reception device, and a direct current (DC) conducting wire attached to each of the transmission coil cover and the reception coil cover, wherein the wireless charging system may be configured to remove a foreign object attached to the transmission coil cover or the reception coil cover by using a force acting on the DC conducting wire according to a direction of a current flowing in the DC conducting wire and a direction of a magnetic field perpendicular to the direction of the current.
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2.发明公开公开(公告)号：US20230290563A1
公开(公告)日：2023-09-14
申请号：US18200759
申请日：2023-05-23
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , Korea Advanced Institute of Science and Technology
Inventor： Jang Yeol KIM , In Kui CHO , HYUNJOON LEE , Sang-Won KIM , Seong-Min KIM , Jung Ick MOON , Woo Cheon PARK , Je Hoon YUN , Jaewoo LEE , Ho Jin LEE , Dong Won JANG , Kibeom KIM , Seungyoung AHN
CPC classification number: H01F27/325 , G01R33/02 , H01F27/24 , H01F27/2804 , H01F41/041
Abstract: A radio frequency (RF) weak magnetic field detection sensor includes a ferromagnetic core, a pickup coil disposed to surround the ferromagnetic core, a substrate that includes an opening, a core pad connected to the ferromagnetic core and a coil pad connected to the pickup coil, and an insulating tube interposed between the ferromagnetic core and the pickup coil. The insulating tube includes a bobbin around which the pickup coil is wound, and a core hole formed to pass through the bobbin and configured to accommodate the ferromagnetic core.
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公开(公告)号：US20230120470A1
公开(公告)日：2023-04-20
申请号：US17868913
申请日：2022-07-20
Inventor： Jung Ick MOON , Gwangzeen KO , Sang-Won KIM , Seong-Min KIM , Je Hoon YUN , In Kui CHO
IPC: H01F27/28
Abstract: Provided is a low-loss planar spiral coil which may include a conductive wire wound N turns, and a conductive wire corresponding to each number of turns may be formed in a way that an inner surface, close to a center of the spiral coil, and an outer surface, located on an opposite side of the inner surface, have different heights from each other based on a flat lower surface, and may be formed in way that a vertical cross-section of an upper surface connecting an uppermost end of the inner and outer surfaces has a constant height variation.
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公开(公告)号：US20230030303A1
公开(公告)日：2023-02-02
申请号：US17698632
申请日：2022-03-18
Inventor： Gwangzeen KO , Jung Ick MOON , Sang-Won KIM , Seong-Min KIM , In Kui CHO , Woo Jin BYUN , Je Hoon YUN
Abstract: An image processing-based foreign substance detection method in a wireless charging system and a device performing the method are disclosed. A method for detecting a foreign substance according to an example embodiment includes an operation of acquiring an image of a charging area of a wireless charging system, an operation of detecting, based on an RGB value of a frame of the image, a foreign substance in the charging area, an operation of discriminating a type of the foreign substance, and an operation of performing power control of the wireless charging system according to the type of the foreign substance.
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公开(公告)号：US20210194133A1
公开(公告)日：2021-06-24
申请号：US17122218
申请日：2020-12-15
Inventor： Jaewoo LEE , In Kui CHO , Sang-Won KIM , Seong-Min KIM , Ho Jin LEE , Jang Yeol KIM , Jung Ick MOON , Woo Cheon PARK , Je Hoon YUN , HYUNJOON LEE , Dong Won JANG
Abstract: An apparatus and method for transmitting and receiving magnetic field signals in a magnetic field communication system are provided. The apparatus includes a controller configured to generate a communication signal, matching units that are configured to receive the communication signal and that respectively correspond to different matching frequencies, and loop antennas that are connected to the matching units, respectively, and that are configured to convert communication signals according to the different matching frequencies into magnetic transmission signals in the form of magnetic field energy and to transmit the magnetic transmission signals.
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Patent Agency Ranking
公开(公告)号：US20180130599A1
公开(公告)日：2018-05-10
申请号：US15799854
申请日：2017-10-31
Inventor： Je Hoon YUN , Jung Ick MOON , Sang-Won KIM , Seong-Min KIM , Dong Won JANG , Sang Bong JEON , In Kui CHO
Abstract: Provided are a wireless power transmission device for transmitting power to a wireless power receiving device and the wireless power receiving device for receiving the power from the wireless power transmission device. The wireless power transmission device includes a first coil provided in a first direction; a second coil provided in a second direction that is perpendicular to the first direction, and connected to both ends of the first coil; and a voltage source configured to supply voltage to the first coil and the second coil. The first coil and the second coil may generate an electric field and a magnetic field in response to the voltage being supplied from the voltage source.
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公开(公告)号：US20140361629A1
公开(公告)日：2014-12-11
申请号：US13970833
申请日：2013-08-20
Inventor： Jung Ick MOON , Seong-Min KIM , In Kui CHO
IPC: H02J17/00
CPC classification number: H02J50/20 , H01Q1/248 , H01Q9/18 , H01Q19/108 , H02J7/025 , H02J17/00 , H02J50/27
Abstract: An antenna for harvesting RF energy includes a radiator; and a ground plane onto which the radiator is supported. Further, the antenna includes a vertical ground plane that is formed on the ground plane in a direction parallel to the radiator at a location spaced by a predetermined distance from the radiator.
Abstract translation: 用于收集RF能量的天线包括散热器; 以及支撑散热器的接地平面。 此外，天线包括垂直接地平面，该垂直接地平面在与散热器隔开预定距离的位置处在平行于散热器的方向上形成在接地平面上。
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8.发明公开公开(公告)号：US20240062809A1
公开(公告)日：2024-02-22
申请号：US18499634
申请日：2023-11-01
Inventor： Jin-Ho HAN , Byung-Jo KIM , Ju-Yeob KIM , Hye-Ji KIM , Joo-Hyun LEE , Seong-Min KIM
IPC: G11C11/4096 , G06F7/544 , G06N3/063 , G11C11/4093 , G11C11/54
CPC classification number: G11C11/4096 , G06F7/5443 , G06N3/063 , G11C11/4093 , G11C11/54
Abstract: Disclosed herein is an Artificial Intelligence (AI) processor. The AI processor includes multiple NVM AI cores for respectively performing basic unit operations required for a deep-learning operation based on data stored in NVM; SRAM for storing at least some of the results of the basic unit operations; and an AI core for performing an accumulation operation on the results of the basic unit operation.
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公开(公告)号：US20220352758A1
公开(公告)日：2022-11-03
申请号：US17581284
申请日：2022-01-21
Inventor： Sang-Won KIM , Gwangzeen KO , Seong-Min KIM , Jung Ick MOON
Abstract: An apparatus and method for wirelessly transmitting power and an apparatus and method for wirelessly receiving power are provided. A wireless power reception apparatus may include a reception circuit that is configured to wirelessly receive power having an extended frequency band and that includes a matching inductor with an adjusted inductance and a matching capacitor with an adjusted capacitance, and a processor configured to determine reception parameters related to a resonant frequency of the reception circuit based on transmission parameters and control the inductance and the capacitance based on the reception parameters, and the transmission parameters may be related to a variation in a transmission frequency at which the power is wirelessly transmitted.
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公开(公告)号：US20210351630A1
公开(公告)日：2021-11-11
申请号：US17246244
申请日：2021-04-30
Inventor： Sang-Won KIM , Ho Jin LEE , In Kui CHO , Seong-Min KIM , Jung Ick MOON , Jang Yeol KIM , Je Hoon YUN , Jaewoo LEE , HYUNJOON LEE , Dong Won JANG
Abstract: A wireless power transmission system and method are disclosed. The wireless power transmission system includes a plurality of wireless power transmitters configured to provide power to a plurality of wireless power receivers, and a controller configured to control the wireless power transmitters based on information of the wireless power receivers. The controller is configured to receive information of a wireless power receiver from the wireless power receiver, calculate a transmission parameter associated with a transmission efficiency of power to be provided to the wireless power receiver using the information of the wireless power receiver, and provide power to the wireless power receiver through the wireless power transmitters based on the transmission parameter.
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