Patents by Inventor Jung Jin Lee
Jung Jin Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250145281Abstract: The present disclosure relates to a strut and a landing gear including the strut, and more particularly, to an disclosure in which a strut is formed of a curved pipe formed of a flexible body to reduce a weight of a component, and at the same time, an impact load of the strut and the landing gear is alleviated through a design of the physical properties and shape of the strut.Type: ApplicationFiled: October 23, 2024Publication date: May 8, 2025Inventor: Jung Jin LEE
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Patent number: 12280867Abstract: The present disclosure relates to a leaf spring type landing gear mounted on a lower portion of a fuselage of an aircraft, and more particularly, to a leaf spring type landing gear having improved performance for mitigation and absorption of shocks, including: a first frame connected to the fuselage and bent to have a circle center below; a second frame connected to the first frame; and a third frame connected to the second frame and at least partially bent to have a circle center below, wherein the second frame includes a 2-1st frame and a 2-2nd frame having circle centers formed in opposite directions and is formed to be bent in an S shape.Type: GrantFiled: November 15, 2022Date of Patent: April 22, 2025Assignee: KOREA AEROSPACE RESEARCH INSTITUTEInventor: Jung Jin Lee
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Patent number: 12188849Abstract: Provided is a control surface load simulation apparatus including a reaction force providing structure. The control surface load simulation apparatus includes a first support surface, a second support surface apart from the first support surface in a height direction, a control surface located between the first support surface and the second support surface, an actuator connected to the second support surface and configured to apply a certain load to the control surface, and a reaction force providing structure connected to the first support surface and the control surface to be movable relative to the first support surface and the control surface, the reaction force providing structure being configured to apply a reaction force corresponding to the load to the control surface.Type: GrantFiled: July 8, 2022Date of Patent: January 7, 2025Assignee: KOREA AEROSPACE RESEARCH INSTITUTEInventor: Jung Jin Lee
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Patent number: 12107009Abstract: A method of dicing a wafer includes fixing a second portion of a wafer to a wafer chuck without fixing a first portion of the wafer to the wafer chuck and forming first modified portions in first scribe lane regions of the first portion of the wafer by sequentially laser irradiating the first scribe lane regions without the first portion of the wafer being fixed to the wafer chuck. The method also includes fixing a first portion of the wafer to the wafer chuck and unfixing the second portion of the wafer from the wafer chuck and forming second modified portions in second scribe lane regions of the second portion of the wafer by sequentially laser irradiating the second scribe lane regions without the second portion of the wafer being fixed to the wafer chuck.Type: GrantFiled: July 29, 2021Date of Patent: October 1, 2024Assignee: SK hynix Inc.Inventors: Min Gyu Kang, Jung Jin Lee
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Publication number: 20240183729Abstract: The provided device is a torque testing tool for electric actuators, employing a potentiometer, load cell, and spring system to measure torque. It surpasses conventional leaf springs with its wider operational rotation range. The setup includes a potentiometer fixed at the electric actuator's shaft end, a vertically positioned torque arm, a rod connected to the torque arm with a load cell, and a spring system attached to the rod and a second bracket, all vertically aligned with the actuator's shaft. A control unit processes force data from the load cell and rotation angle data from the potentiometer to accurately calculate the electric actuator's torque. This innovative design ensures precise torque measurement, offering enhanced efficiency and versatility for various applications relying on electric actuators.Type: ApplicationFiled: November 15, 2023Publication date: June 6, 2024Inventor: Jung Jin LEE
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Patent number: 11909156Abstract: A connection structure for connecting a power cable and a conductor lead-out rod to minimize electrical resistance of a contact surface, and conductor connection device of a power cable may be provided with at least one conducting bolt configured to be fastened into a fastening hole to apply pressure to conductive particles injected into an accommodation space so as to electrically connect a conductor part and a conductor lead-out rod; and a fixing bolt configured to be fastened into the fastening hole to fix the conductor part inserted into an accommodation groove of the conductor lead-out rod.Type: GrantFiled: January 9, 2019Date of Patent: February 20, 2024Assignee: LS CABLE & SYSTEM LTD.Inventors: Duk Kyu Lee, Dong Yun Oh, Jung Jin Lee
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Publication number: 20230412048Abstract: A dual motor actuator according to an embodiment includes a main motor actuator outputting torque to a main output shaft by including a main motor and a main reduction gear, an auxiliary motor actuator outputting torque to an auxiliary output shaft by including an auxiliary motor and an auxiliary reduction gear, and a clutch connecting the main output shaft and the auxiliary output shaft to each other, wherein the clutch includes a fixed clutch connected to the main output shaft and a movable clutch coupled to or released from the fixed clutch and connected to the auxiliary output shaft, and the dual motor actuator further includes an output unit connected to the movable clutch and transmitting an output from the main motor actuator or the auxiliary motor actuator.Type: ApplicationFiled: June 7, 2023Publication date: December 21, 2023Inventor: Jung Jin LEE
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Publication number: 20230183192Abstract: The present invention relates to a compound of formula 1 and a pharmaceutical composition containing same. This compound may be useful as: a therapeutic agent for degenerative brain diseases including dementia or cranial nerve diseases and developmental disorders caused by neural cell damage, various degenerative neural diseases, ischemic nerve diseases, or neural damage diseases; a learning ability-improving agent; and a cognitive function-improving agent. [Formula 1] in formula 1 above, B represents a part derived from retinoic acid.Type: ApplicationFiled: August 25, 2020Publication date: June 15, 2023Applicants: ETNOVA THERAPEUTICS CORP., KYUNGPOOK NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Sha Joung CHANG, Yeoun Hee KIM, Jung Jin LEE, Ga Ram CHOI, Yong Min CHANG
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Publication number: 20230150655Abstract: The present disclosure relates to a leaf spring type landing gear mounted on a lower portion of a fuselage of an aircraft, and more particularly, to a leaf spring type landing gear having improved performance for mitigation and absorption of shocks, including: a first frame connected to the fuselage and bent to have a circle center below; a second frame connected to the first frame; and a third frame connected to the second frame and at least partially bent to have a circle center below, wherein the second frame includes a 2-1st frame and a 2-2nd frame having circle centers formed in opposite directions and is formed to be bent in an S shape.Type: ApplicationFiled: November 15, 2022Publication date: May 18, 2023Inventor: Jung Jin LEE
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Publication number: 20230014817Abstract: Provided is a control surface load simulation apparatus including a reaction force providing structure. The control surface load simulation apparatus includes a first support surface, a second support surface apart from the first support surface in a height direction, a control surface located between the first support surface and the second support surface, an actuator connected to the second support surface and configured to apply a certain load to the control surface, and a reaction force providing structure connected to the first support surface and the control surface to be movable relative to the first support surface and the control surface, the reaction force providing structure being configured to apply a reaction force corresponding to the load to the control surface.Type: ApplicationFiled: July 8, 2022Publication date: January 19, 2023Inventor: Jung Jin Lee
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Publication number: 20220172993Abstract: A method of dicing a wafer includes fixing a second portion of a wafer to a wafer chuck without fixing a first portion of the wafer to the wafer chuck and forming first modified portions in first scribe lane regions of the first portion of the wafer by sequentially laser irradiating the first scribe lane regions without the first portion of the wafer being fixed to the wafer chuck. The method also includes fixing a first portion of the wafer to the wafer chuck and unfixing the second portion of the wafer from the wafer chuck and forming second modified portions in second scribe lane regions of the second portion of the wafer by sequentially laser irradiating the second scribe lane regions without the second portion of the wafer being fixed to the wafer chuck.Type: ApplicationFiled: July 29, 2021Publication date: June 2, 2022Applicant: SK hynix Inc.Inventors: Min Gyu KANG, Jung Jin LEE
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Publication number: 20220147960Abstract: Disclosed herein are a method of managing a content sharing platform combined with e-commerce capabilities and an apparatus for performing the same. The method of managing a content sharing platform combined with e-commerce capabilities includes: providing one or more pieces of content to a user through a content sharing platform; when the user purchases a product through the content sharing platform, determining one or more targets and a ratio, to whom and at which profits from the sale of the product will be distributed, based on a history in which the user viewed the content through the content sharing platform; and distributing the profits to the determined targets based on the determined ratio.Type: ApplicationFiled: December 3, 2020Publication date: May 12, 2022Applicant: JAAEM INC.Inventor: Jung Jin LEE
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Publication number: 20210337264Abstract: A method of processing an image receives a first video including a plurality of frames, obtains importance information indicating importance of at least one region included in the plurality of frames, determines axes of a grid for at least one region of the first video based on the importance information, generates a second video by encoding the first video based on the axes of the grid, and outputs the second video and information about the axes of the grid.Type: ApplicationFiled: September 18, 2019Publication date: October 28, 2021Applicant: KAI INC.Inventors: Seung Hwa JEONG, Jung Jin LEE, Sang Woo LEE, Kye Hyun KIM, Seong Kyu HAN, Ju Yeon LEE, Young Hui KIM
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Publication number: 20210050679Abstract: The present disclosure relates to a connection structure for connecting a power cable and a conductor lead-out rod to minimize electrical resistance of a contact surface, and conductor connection device of a power cable.Type: ApplicationFiled: January 9, 2019Publication date: February 18, 2021Inventors: Duk Kyu LEE, Dong Yun OH, Jung Jin LEE
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Patent number: 10783607Abstract: Provided is a method of acquiring an optimized closed curved surface image using multiple cameras, and more particularly, an image providing method that produces a single image using a plurality of cameras fixed to a rig and having different capturing viewpoints, the method including projection operation of acquiring a single image by projecting images acquired from the plurality of cameras on a projection surface of a closed curved surface based on parameter information, rendering operation of fitting the acquired single image in a quadrangular frame for each region through a non-uniform sampling process, and viewing operation of mapping the sampled image to a viewing sphere.Type: GrantFiled: December 29, 2016Date of Patent: September 22, 2020Assignee: KAI INC.Inventors: Jung Jin Lee, Seung Hoon Cha, Dae Hyeon Wi, Jae Hwan Kwon, Young Hui Kim, Seung Hwa Jeong, Kye Hyun Kim, Bum Ki Kim
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Patent number: 10663384Abstract: A drop testing apparatus is provided. The drop testing apparatus includes a plate connected to an external crane, a magnet holder provided at one end of the plate and fixed to the plate by an electromagnetic force, a counterweight provided at another end of the plate and facing the magnet holder, a dummy structure connected to the magnet holder through a connecting member and having a test specimen installed at one side thereof, a load cell unit provided between the dummy structure and the test specimen to measure impulse of the test specimen, and a controller configured to control the electromagnetic force to be created in the magnet holder and to receive the impulse measured by the load cell unit. When the electromagnetic force is cancelled, the connecting member disengages from the magnet holder, and the dummy structure and the test specimen fall onto the ground.Type: GrantFiled: November 2, 2017Date of Patent: May 26, 2020Assignee: KOREA AEROSPACE RESEARCH INSTITUTEInventors: Jung Jin Lee, Joong Wook Kim
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Publication number: 20190220952Abstract: Provided is a method of acquiring an optimized closed curved surface image using multiple cameras, and more particularly, an image providing method that produces a single image using a plurality of cameras fixed to a rig and having different capturing viewpoints, the method including projection operation of acquiring a single image by projecting images acquired from the plurality of cameras on a projection surface of a closed curved surface based on parameter information, rendering operation of fitting the acquired single image in a quadrangular frame for each region through a non-uniform sampling process, and viewing operation of mapping the sampled image to a viewing sphere.Type: ApplicationFiled: December 29, 2016Publication date: July 18, 2019Inventors: Jung Jin Lee, Seung Hoon Cha, Dae Hyeon Wi, Jae Hwan Kwon, Young Hui Kim, Seung Hwa Jeong, Kye Hyun Kim, Bum Ki Kim
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Publication number: 20180120208Abstract: A drop testing apparatus is provided. The drop testing apparatus includes a plate connected to an external crane, a magnet holder provided at one end of the plate and fixed to the plate by an electromagnetic force, a counterweight provided at another end of the plate and facing the magnet holder, a dummy structure connected to the magnet holder through a connecting member and having a test specimen installed at one side thereof, a load cell unit provided between the dummy structure and the test specimen to measure impulse of the test specimen, and a controller configured to control the electromagnetic force to be created in the magnet holder and to receive the impulse measured by the load cell unit. When the electromagnetic force is cancelled, the connecting member disengages from the magnet holder, and the dummy structure and the test specimen fall onto the ground.Type: ApplicationFiled: November 2, 2017Publication date: May 3, 2018Applicant: KOREA AEROSPACE RESEARCH INSTITUTEInventors: Jung Jin LEE, Joong Wook KIM
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Patent number: 9445074Abstract: Provided are an apparatus and a method for manipulating depth of a stereoscopic image that enable a user to manipulate depth of a stereoscopic image easily and intuitively. The apparatus may include: a histogram analyzing unit acquiring a depth distribution chart by performing histogram analysis of a disparity map corresponding to an input image; a Gaussian mixture model (GMM) fitting unit acquiring multiple depth layers by performing GMM fitting of the depth distribution chart; a disparity adjusting unit adjusting at least one of a position and a volume of at least one of the multiple depth layers and calculating a disparity mapping function on which a result of the adjustment is reflected in response to a user request; and a disparity map recalculating unit calculating a new disparity map by optimizing the disparity mapping function.Type: GrantFiled: May 30, 2013Date of Patent: September 13, 2016Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jun Yong Noh, Sang Woo Lee, Young Hui Kim, Jung Jin Lee, Kye Hyun Kim, Kyung Han Lee
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Patent number: 9325962Abstract: The present disclosure relates to a method and system for creating a dynamic floating window for stereoscopic contents, and more particularly, to a method and system for automatically creating a dynamic floating window for stereoscopic contents based on feature points.Type: GrantFiled: October 30, 2013Date of Patent: April 26, 2016Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jun Yong Noh, Hyung Jin Kim, Young Hui Kim, Jung Jin Lee, Sung Woo Choi, Roger Blanco Ribera