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).

  • Publication number: 20250050891
    Abstract: 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: Application
    Filed: November 13, 2023
    Publication date: February 13, 2025
    Inventors: Eun Ji Jun, Byeong Wook Jeon, Won Seok Jeon, Ki Sang Kim
  • Patent number: 12097421
    Abstract: 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: Grant
    Filed: October 4, 2021
    Date of Patent: September 24, 2024
    Assignee: SHENZHEN GREENJOY TECHNOLOGY CO., LTD.
    Inventors: Ji Jun Wang, Qing Hua Wang
  • Patent number: 12088088
    Abstract: 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: Grant
    Filed: July 4, 2022
    Date of Patent: September 10, 2024
    Assignee: Rockwell Automation Technologies, Inc.
    Inventor: Ji Jun Cao
  • Patent number: 12011652
    Abstract: 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: Grant
    Filed: October 13, 2021
    Date of Patent: June 18, 2024
    Assignee: SHENZHEN GREENJOY TECHNOLOGY CO., LTD.
    Inventors: Ji Jun Wang, Qing Hua Wang
  • Patent number: 11984829
    Abstract: 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: Grant
    Filed: December 22, 2021
    Date of Patent: May 14, 2024
    Assignee: Rockwell Automation Technologies, Inc.
    Inventors: Zeljko Jankovic, Ji Jun Cao
  • Patent number: 11872450
    Abstract: 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: Grant
    Filed: September 24, 2021
    Date of Patent: January 16, 2024
    Assignee: SHENZHEN GREENJOY TECHNOLOGY CO., LTD.
    Inventors: Ji Jun Wang, Qing Hua Wang
  • Publication number: 20240006875
    Abstract: 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: Application
    Filed: July 4, 2022
    Publication date: January 4, 2024
    Applicant: Rockwell Automation Technologies, Inc.
    Inventor: Ji Jun Cao
  • Publication number: 20230198446
    Abstract: 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: Application
    Filed: December 22, 2021
    Publication date: June 22, 2023
    Applicant: Rockwell Automation Technologies, Inc.
    Inventors: Zeljko Jankovic, Ji Jun Cao
  • Publication number: 20220285736
    Abstract: 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: Application
    Filed: July 2, 2020
    Publication date: September 8, 2022
    Inventors: Ji Hoon JANG, Chang Moon JEONG, Ji Jun HONG
  • Publication number: 20220088455
    Abstract: 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: Application
    Filed: October 4, 2021
    Publication date: March 24, 2022
    Applicant: SHENZHEN GREENJOY TECHNOLOGY CO., LTD.
    Inventors: Ji Jun WANG, Qing Hua WANG
  • Publication number: 20220088461
    Abstract: 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: Application
    Filed: October 13, 2021
    Publication date: March 24, 2022
    Applicant: SHENZHEN GREENJOY TECHNOLOGY CO., LTD.
    Inventors: Ji Jun WANG, Qing Hua WANG
  • Publication number: 20220032126
    Abstract: 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: Application
    Filed: September 24, 2021
    Publication date: February 3, 2022
    Applicant: SHENZHEN GREENJOY TECHNOLOGY CO., LTD.
    Inventors: Ji Jun WANG, Qing Hua WANG
  • Patent number: 10879554
    Abstract: 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: Grant
    Filed: January 19, 2017
    Date of Patent: December 29, 2020
    Assignee: ROUTEJADE INC.
    Inventors: Ji Jun Hong, In Joong Kim, Young Ho Jung, Young Hun Jin, Taek Joo Jung
  • Publication number: 20200168940
    Abstract: 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: Application
    Filed: January 19, 2017
    Publication date: May 28, 2020
    Inventors: Ji Jun HONG, In Joong KIM, Young Ho JUNG, Young Hun JIN, Taek Joo JUNG
  • Patent number: 10559790
    Abstract: 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: Grant
    Filed: June 13, 2016
    Date of Patent: February 11, 2020
    Assignee: ROUTE JADE INC.
    Inventors: Ji Jun Hong, In Joong Kim, Kyung Joon Kim, Young Ho Jung, Young Hun Jin, Taek Joo Jung
  • Patent number: 10297816
    Abstract: 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: Grant
    Filed: February 9, 2012
    Date of Patent: May 21, 2019
    Assignee: Kokam Co., Ltd.
    Inventors: Ji-Jun Hong, Sung-Tae Ko, Yoon-Jeong Heo
  • Patent number: 10283762
    Abstract: 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: Grant
    Filed: May 26, 2009
    Date of Patent: May 7, 2019
    Assignee: Kokam Co., Ltd.
    Inventors: Ji-Jun Hong, Sung-Tae Ko, Yoon-Jeong Heo
  • Publication number: 20190088936
    Abstract: 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: Application
    Filed: May 26, 2009
    Publication date: March 21, 2019
    Applicant: KOKAM CO., LTD.
    Inventors: Ji-Jun Hong, Sung-Tae Ko, Yoon-Jeong Heo
  • Patent number: 10090501
    Abstract: 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: Grant
    Filed: February 13, 2012
    Date of Patent: October 2, 2018
    Assignee: Kokam Co., Ltd.
    Inventors: Ji-Jun Hong, Sung-Tae Ko, Yoon-Jeong Heo, Yoo-Jung Kwon
  • Patent number: 10056597
    Abstract: 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: Grant
    Filed: December 29, 2015
    Date of Patent: August 21, 2018
    Assignee: Kokam Co., Ltd.
    Inventors: Pan-Kyu Park, Ki-Hong Park, Ji-Jun Hong, Choong-Yeon Chong