Patents by Inventor Ji JUN
Ji JUN 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: 20250050891Abstract: An apparatus for predicting a speed of a vehicle includes storage that stores a transformer model which completes learning, and a controller that predicts the speed of the vehicle based on the transformer model. The controller may extract feature information about a state of the vehicle from past driving information of the vehicle to input the feature information to an encoder of the transformer model, and extract feature information about the state of the vehicle from future driving information of the vehicle to input the feature information to a decoder of the transformer model.Type: ApplicationFiled: November 13, 2023Publication date: February 13, 2025Inventors: Eun Ji Jun, Byeong Wook Jeon, Won Seok Jeon, Ki Sang Kim
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Patent number: 12097421Abstract: The present application discloses a top-mounted golf ball detection method, applied to a golf system with a top camera configured for detecting a golf ball provided with a mark thereon. The method comprises: calibrating a camera: converting an image coordinate system of the camera into a world coordinate system; positioning a golf ball: acquiring coordinate data of the golf ball by performing a global positioning on an entire first frame picture captured by the camera after the ball is served; and for a subsequent frame picture captured by the camera after the ball is served, predicting a falling point range of the golf ball and obtaining a local picture of the frame picture according to the falling point range, and acquiring coordinate data of the golf ball by performing a global positioning on the local picture; calculating parameters; and detecting a rotating speed of the golf ball.Type: GrantFiled: October 4, 2021Date of Patent: September 24, 2024Assignee: SHENZHEN GREENJOY TECHNOLOGY CO., LTD.Inventors: Ji Jun Wang, Qing Hua Wang
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Patent number: 12088088Abstract: A system includes a circuit breaker and a delay circuit. The circuit breaker has a coil to enable control of a contact to selectively couple a load to a power source responsive to a coil voltage signal applied to the coil. The delay circuit has a depletion mode MOSFET and an energy storage circuit. The depletion mode MOSFET is controlled as an active current sink to provide the coil voltage signal based on a DC voltage signal. The energy storage circuit has an input coupled to a drain of the depletion mode MOSFET, a capacitor, and an output coupled to the drain of the depletion mode MOSFET, the energy storage circuit charges the capacitor from the DC voltage signal and delivers current to the depletion mode MOSFET to delay discontinuation of the coil voltage signal responsive to a drop or discontinuation of the DC voltage signal.Type: GrantFiled: July 4, 2022Date of Patent: September 10, 2024Assignee: Rockwell Automation Technologies, Inc.Inventor: Ji Jun Cao
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Patent number: 12011652Abstract: The present application discloses a golf ball floor type detection method, a system, and a storage medium. The method includes the following steps: correcting distortion of the camera; calibrating a camera; triggering of hitting a ball: monitoring a pixel variation value of a serving position of a golf ball in a picture captured by the camera in real time, and determining triggering of hitting a ball when the pixel variation value of the position exceeds a threshold value; positioning a golf ball: processing the picture captured by the camera after triggering of hitting a ball with a dynamic segmentation based on a fuzzy entropy, and positioning the processed picture to acquire coordinate data of the golf ball; calculating parameters; and detecting a rotating speed of the golf ball.Type: GrantFiled: October 13, 2021Date of Patent: June 18, 2024Assignee: SHENZHEN GREENJOY TECHNOLOGY CO., LTD.Inventors: Ji Jun Wang, Qing Hua Wang
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Patent number: 11984829Abstract: A system has a DC bus circuit with first and second terminals, an intermediate node, first and second capacitors, first and second depletion mode FETs, and first and second switching control circuits, where the first depletion mode FET has a drain coupled to the first bus terminal, a source, and a gate coupled to the intermediate node, the second depletion mode FET has a drain coupled to the intermediate node, a source, and a gate coupled to the second bus terminal, the first switching control circuit turns the first depletion mode FET off responsive to a first capacitor voltage of the first bus capacitor being less than or equal to a second capacitor voltage of the second bus capacitor, and the second switching control circuit turns the second depletion mode FET off responsive to the first capacitor voltage being greater than or equal to the second capacitor voltage.Type: GrantFiled: December 22, 2021Date of Patent: May 14, 2024Assignee: Rockwell Automation Technologies, Inc.Inventors: Zeljko Jankovic, Ji Jun Cao
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Patent number: 11872450Abstract: The present application relates to a mark ball special for a golf high-speed camera sensor. The mark ball includes a sphere. A mark portion is provided on a surface of the sphere, the mark portion includes a plurality of marks that are arranged along a circumferential direction of the sphere and shaped different from each other. A plurality of different marks are arranged on a golf mark ball such that a high-speed camera sensor can capture diversified images of the ball.Type: GrantFiled: September 24, 2021Date of Patent: January 16, 2024Assignee: SHENZHEN GREENJOY TECHNOLOGY CO., LTD.Inventors: Ji Jun Wang, Qing Hua Wang
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Publication number: 20240006875Abstract: A system includes a circuit breaker and a delay circuit. The circuit breaker has a coil to enable control of a contact to selectively couple a load to a power source responsive to a coil voltage signal applied to the coil. The delay circuit has a depletion mode MOSFET and an energy storage circuit. The depletion mode MOSFET is controlled as an active current sink to provide the coil voltage signal based on a DC voltage signal. The energy storage circuit has an input coupled to a drain of the depletion mode MOSFET, a capacitor, and an output coupled to the drain of the depletion mode MOSFET, the energy storage circuit charges the capacitor from the DC voltage signal and delivers current to the depletion mode MOSFET to delay discontinuation of the coil voltage signal responsive to a drop or discontinuation of the DC voltage signal.Type: ApplicationFiled: July 4, 2022Publication date: January 4, 2024Applicant: Rockwell Automation Technologies, Inc.Inventor: Ji Jun Cao
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Publication number: 20230198446Abstract: A system has a DC bus circuit with first and second terminals, an intermediate node, first and second capacitors, first and second depletion mode FETs, and first and second switching control circuits, where the first depletion mode FET has a drain coupled to the first bus terminal, a source, and a gate coupled to the intermediate node, the second depletion mode FET has a drain coupled to the intermediate node, a source, and a gate coupled to the second bus terminal, the first switching control circuit turns the first depletion mode FET off responsive to a first capacitor voltage of the first bus capacitor being less than or equal to a second capacitor voltage of the second bus capacitor, and the second switching control circuit turns the second depletion mode FET off responsive to the first capacitor voltage being greater than or equal to the second capacitor voltage.Type: ApplicationFiled: December 22, 2021Publication date: June 22, 2023Applicant: Rockwell Automation Technologies, Inc.Inventors: Zeljko Jankovic, Ji Jun Cao
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Publication number: 20220285736Abstract: An electrode assembly includes: a pocketing positive electrode including a positive electrode current collector, positive electrode active materials applied onto two opposite surfaces of the positive electrode current collector, an insulating member configured to surround an edge of the positive electrode current collector except for a positive electrode uncoated portion protruding the edge of the positive electrode current collector, and separators positioned on upper and lower surfaces of the insulating member so as to cover the positive electrode active materials and the insulating member; a negative electrode including a negative electrode current collector and a negative electrode active material applied onto at least one of two opposite surfaces of the negative electrode current collector, the negative electrode being stacked alternately with the pocketing positive electrode; and a binding member attached to the pocketing positive electrode and the negative electrode.Type: ApplicationFiled: July 2, 2020Publication date: September 8, 2022Inventors: Ji Hoon JANG, Chang Moon JEONG, Ji Jun HONG
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Publication number: 20220088455Abstract: The present application discloses a top-mounted golf ball detection method, applied to a golf system with a top camera configured for detecting a golf ball provided with a mark thereon. The method comprises: calibrating a camera: converting an image coordinate system of the camera into a world coordinate system; positioning a golf ball: acquiring coordinate data of the golf ball by performing a global positioning on an entire first frame picture captured by the camera after the ball is served; and for a subsequent frame picture captured by the camera after the ball is served, predicting a falling point range of the golf ball and obtaining a local picture of the frame picture according to the falling point range, and acquiring coordinate data of the golf ball by performing a global positioning on the local picture; calculating parameters; and detecting a rotating speed of the golf ball.Type: ApplicationFiled: October 4, 2021Publication date: March 24, 2022Applicant: SHENZHEN GREENJOY TECHNOLOGY CO., LTD.Inventors: Ji Jun WANG, Qing Hua WANG
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Publication number: 20220088461Abstract: The present application discloses a golf ball floor type detection method, a system, and a storage medium. The method includes the following steps: correcting distortion of the camera; calibrating a camera; triggering of hitting a ball: monitoring a pixel variation value of a serving position of a golf ball in a picture captured by the camera in real time, and determining triggering of hitting a ball when the pixel variation value of the position exceeds a threshold value; positioning a golf ball: processing the picture captured by the camera after triggering of hitting a ball with a dynamic segmentation based on a fuzzy entropy, and positioning the processed picture to acquire coordinate data of the golf ball; calculating parameters; and detecting a rotating speed of the golf ball.Type: ApplicationFiled: October 13, 2021Publication date: March 24, 2022Applicant: SHENZHEN GREENJOY TECHNOLOGY CO., LTD.Inventors: Ji Jun WANG, Qing Hua WANG
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Publication number: 20220032126Abstract: The present application relates to a mark ball special for a golf high-speed camera sensor. The mark ball includes a sphere. A mark portion is provided on a surface of the sphere, the mark portion includes a plurality of marks that are arranged along a circumferential direction of the sphere and shaped different from each other. A plurality of different marks are arranged on a golf mark ball such that a high-speed camera sensor can capture diversified images of the ball.Type: ApplicationFiled: September 24, 2021Publication date: February 3, 2022Applicant: SHENZHEN GREENJOY TECHNOLOGY CO., LTD.Inventors: Ji Jun WANG, Qing Hua WANG
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Patent number: 10879554Abstract: A thin film battery includes: a cathode body; and an anode body which is laminated on at least one of an upper portion or a lower portion of the abode body, in which the cathode body includes: a cathode plate on which a cathode active material is applied; a pair of separators which covers an upper surface and a lower surface of the cathode plate; and a polymer insulating film unit interposed between the pair of separators and a portion of the polymer insulating film unit which protrudes outwardly from an edge of the separator is bonded to an anode plate of the anode body.Type: GrantFiled: January 19, 2017Date of Patent: December 29, 2020Assignee: ROUTEJADE INC.Inventors: Ji Jun Hong, In Joong Kim, Young Ho Jung, Young Hun Jin, Taek Joo Jung
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Publication number: 20200168940Abstract: Provided is a thin film battery, including: an anode body; and a cathode body which is laminated on at least one of an upper portion or a lower portion of the abode body, in which the anode body includes: an anode plate on which an anode active material is applied; a pair of separators which covers an upper surface and a lower surface of the anode plate; and a polymer insulating film unit interposed between the pair of separators and a portion of the polymer insulating film unit which protrudes outwardly from an edge of the separator is bonded to a cathode plate of the cathode body.Type: ApplicationFiled: January 19, 2017Publication date: May 28, 2020Inventors: Ji Jun HONG, In Joong KIM, Young Ho JUNG, Young Hun JIN, Taek Joo JUNG
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Patent number: 10559790Abstract: The present invention relates to a lithium ion secondary battery, and more particularly, to a lithium ion secondary battery which makes the best use of an accommodating space in electronic apparatus in which a secondary battery is accommodated or mounted to maximize a performance of the battery. A secondary battery includes an electrode assembly in which a plurality of pocketing anode bodies and a plurality of cathode bodies are alternately stacked, in which a concavely recessed space is formed in the electrode assembly, and the space may be formed in the plurality of pocketing anode bodies and the plurality of cathode bodies excluding a cathode body disposed at the lowest end of the electrode assembly.Type: GrantFiled: June 13, 2016Date of Patent: February 11, 2020Assignee: ROUTE JADE INC.Inventors: Ji Jun Hong, In Joong Kim, Kyung Joon Kim, Young Ho Jung, Young Hun Jin, Taek Joo Jung
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Patent number: 10297816Abstract: Disclosed is an electrode active material including a core formed from one selected from the group consisting of lithium-containing transition metal oxide, a carbon material, a lithium metal, and a metal compound, or mixtures thereof, and a shell formed on a surface of the core and including lithium metal oxide particles and polymer, and a lithium secondary battery using the same.Type: GrantFiled: February 9, 2012Date of Patent: May 21, 2019Assignee: Kokam Co., Ltd.Inventors: Ji-Jun Hong, Sung-Tae Ko, Yoon-Jeong Heo
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Patent number: 10283762Abstract: Provided are an anode active material for a lithium secondary battery, a method of preparing the same and a lithium secondary battery comprising the same. The anode active material for a lithium secondary battery includes a carbonaceous material core; and a shell formed outside of the carbonaceous material core. The shell includes a plurality of spinel-type lithium titanium oxide particles, and a plurality of metal oxide particles, wherein the metal belongs to group 4 or 13 of the periodic table, the metal oxide particles filling voids formed by the carbonaceous material and the plurality of spinel-type lithium titanium oxide particles. The anode active material for a lithium secondary battery has the metal oxide shell, and thus has the improved conductivity, a high output density, and consequently excellent electrical characteristics. The lithium secondary battery manufactured using the anode active material ensures safety sufficiently.Type: GrantFiled: May 26, 2009Date of Patent: May 7, 2019Assignee: Kokam Co., Ltd.Inventors: Ji-Jun Hong, Sung-Tae Ko, Yoon-Jeong Heo
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Publication number: 20190088936Abstract: Provided are an anode active material for a lithium secondary battery, a method of preparing the same and a lithium secondary battery comprising the same. The anode active material for a lithium secondary battery includes a carbonaceous material core; and a shell formed outside of the carbonaceous material core. The shell includes a plurality of spinel-type lithium titanium oxide particles, and a plurality of metal oxide particles, wherein the metal belongs to group 4 or 13 of the periodic table, the metal oxide particles filling voids formed by the carbonaceous material and the plurality of spinel-type lithium titanium oxide particles. The anode active material for a lithium secondary battery has the metal oxide shell, and thus has the improved conductivity, a high output density, and consequently excellent electrical characteristics. The lithium secondary battery manufactured using the anode active material ensures safety sufficiently.Type: ApplicationFiled: May 26, 2009Publication date: March 21, 2019Applicant: KOKAM CO., LTD.Inventors: Ji-Jun Hong, Sung-Tae Ko, Yoon-Jeong Heo
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Patent number: 10090501Abstract: Disclosed is a high heat resistance composite separator including a porous substrate having a plurality of pores, an inorganic coating layer formed on one surface of the porous substrate, the inorganic coating layer including a plurality of inorganic particles and a binder polymer disposed on a portion or all of surfaces of the inorganic particles to connect and bind the inorganic particles, and a high heat resistance polymer coating layer formed on the other surface of the porous substrate, the high heat resistance polymer coating layer including a high heat resistance polymer and inorganic particles dispersed in the high heat resistance polymer.Type: GrantFiled: February 13, 2012Date of Patent: October 2, 2018Assignee: Kokam Co., Ltd.Inventors: Ji-Jun Hong, Sung-Tae Ko, Yoon-Jeong Heo, Yoo-Jung Kwon
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Patent number: 10056597Abstract: Disclosed is a connecting structure and method between a grid and an electrode tab of a secondary battery, which may ensure stable connection between the grid and the electrode tab of an electrode assembly and allow improved productivity. The connecting structure includes a grid integrally extending from an electrode plate of a secondary battery, an electrode tab connected to the grid, and a laser welding portion connecting the grid and the electrode tab. Also, a connecting method between a grid and an electrode tab of a secondary battery includes (a) fixing the grid with a jig, (b) cutting the grid, and (c) stacking the grid and the electrode tab and connecting the grid and the electrode tab by means of laser welding.Type: GrantFiled: December 29, 2015Date of Patent: August 21, 2018Assignee: Kokam Co., Ltd.Inventors: Pan-Kyu Park, Ki-Hong Park, Ji-Jun Hong, Choong-Yeon Chong