Patents by Inventor Chul-An Lim

Chul-An Lim 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: 20230268611
    Abstract: A vent includes a gas inlet configured to allow gas to be introduced therethrough, a gas outlet configured to allow the gas introduced through the gas inlet to be discharged to the outside therethrough, an alarm means provided at one side of the gas outlet, the alarm means being configured to generate sound when the gas is discharged to the outside, a connection portion configured to connect the gas inlet and the gas outlet to each other, and a sealing cap located in the connection portion, the sealing cap being configured to automatically discharge gas to the outside, whereby gas generated in a battery cell or a battery module is automatically discharged to the outside.
    Type: Application
    Filed: June 24, 2022
    Publication date: August 24, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Sung Chul LIM, Sang Seung OH
  • Publication number: 20230249646
    Abstract: A lock control apparatus for a vehicle includes anchors to receive a signal transmitted from a terminal; a communication module to communicate using controller area network (CAN) communication; a detector installed on a door to input a detection signal; and a processor to receive the signal transmitted from the terminal from at least one of the anchors through the communication module, calculate a position of the terminal based on the signal transmitted from the terminal, determine whether to unlock the door in response to the position of the terminal and the detection signal, and control an engine to start. The processor controls the anchors to enter a sleep mode in response to waiting times of the anchors and resets the anchors to release the sleep mode and controls the anchors to enter a waiting mode in response to the number of anchors transmitting the signal from the terminal.
    Type: Application
    Filed: April 18, 2023
    Publication date: August 10, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventor: Jong Chul LIM
  • Patent number: 11708362
    Abstract: The present invention provides an improved process for preparing an aminopyrimidine derivative or pharmaceutically acceptable salt thereof having a selective inhibitory activity against protein kinases, especially against the protein kinases for mutant epidermal growth factor receptors. Additional, the present invention provides novel intermediates useful for said process and processes for preparing the same.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: July 25, 2023
    Assignee: Yuhan Corporation
    Inventors: Sang-Ho Oh, Ja-Heouk Khoo, Jong-Chul Lim, Seong-Ran Lee, Hyun Ju, Woo-Seob Shin, Dae-Gyu Park, Su-Min Park, Yoon-Ah Hwang
  • Publication number: 20230209493
    Abstract: A method for an ultra-wide band (UWB) anchor device for adjusting a receiving window for waiting to receive a message transmitted from a user terminal to perform UWB ranging. The method includes setting a length of the receiving window to an initial value, counting a number of reception failures of the message until the message is received, and performing the UWB ranging based on the length of the receiving window being set to the initial value or adjusting the initial value, based on the number of reception failures.
    Type: Application
    Filed: September 1, 2022
    Publication date: June 29, 2023
    Applicant: HYUNDAI MOBIS Co., Ltd.
    Inventor: Jong Chul LIM
  • Publication number: 20230206705
    Abstract: An ultra-wide band (UWB) device including a memory configured to store one or more instructions, a communications part configured to perform UWB communications with a mobile device, one or more processors configured to execute the one or more instructions to perform a ranging together with the mobile device on basis of a reception window, counts a standby counter wherein when the ranging fails, and enter a sleep mode when the standby counter is equal to or greater than a maximum standby count.
    Type: Application
    Filed: December 21, 2022
    Publication date: June 29, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventor: Jong Chul LIM
  • Publication number: 20230204752
    Abstract: The present disclosure relates to an electronic device and a method for performing ranging through a UWB communication including receiving state information of each of moving nodes occupying channels provided by anchor nodes in a UWB communication area to perform ranging on the anchor nodes, setting priorities of the moving nodes based on the state information, and recovering one of the channels occupied by the moving nodes based on each of the priority.
    Type: Application
    Filed: August 24, 2022
    Publication date: June 29, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventor: Jong Chul LIM
  • Patent number: 11687784
    Abstract: An artificial intelligence system and a method for searching for an optimal model are provided. A method for searching for a learning mode of an artificial intelligence system includes receiving, by an operator included in a first node, first channels, deriving, by the operator included in the first node, first parameter weight indexes corresponding to weights of first parameters by calculating the first parameters corresponding to each of the received first channels with the received first channels, generating and outputting a second channel group by combining the first channel with the other channel, receiving, by an operator included in a second node, second channels included in the second channel group, and deriving, by the operator included in the second node, second parameter weight indexes corresponding to weights of second parameters by calculating the second parameters corresponding to the received second channels with the received second channels.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: June 27, 2023
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hee Chul Lim, Min Soo Kim
  • Publication number: 20230178724
    Abstract: An electrode assembly having a high energy density and a lithium secondary battery including the same are disclosed herein. The electrode assembly includes a positive electrode in which a positive electrode mixture layer includes a positive electrode active material and a positive electrode additive and a negative electrode in which a negative electrode mixture layer includes graphite mixed with silicon (Si)-containing particles. The amount of gas generated during charging and discharging of a battery is reduced, the resistance change rate of the electrode is low even after charging and discharging, and accordingly, a lithium secondary battery including the electrode assembly has a high energy density, a long lifetime, and good quick charging efficiency.
    Type: Application
    Filed: February 15, 2022
    Publication date: June 8, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Shul Kee Kim, Sang Seung Oh, Hye Hyeon Kim, Sung Chul Lim, Chi Ho Jo
  • Publication number: 20230152379
    Abstract: A battery life determination apparatus includes a detector that measures a voltage of a battery, and a controller that determines an average value of a battery depth of discharge based on a voltage of the battery depending on a battery discharging after key off of a vehicle and a battery charging while driving of the vehicle, and determines a battery life by comparing a number of start-on times after the key off with a number of battery life end cycles corresponding to the average value, minimizing problems of start- on failures and charging delays, and providing customers with reliable battery information.
    Type: Application
    Filed: June 23, 2022
    Publication date: May 18, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventor: Young Chul LIM
  • Patent number: 11646402
    Abstract: An electrochemical pretreatment method of a vanadium positive electrode for a lithium secondary battery, which can improve the lifetime characteristics of the positive electrode and the battery by inhibiting the leaching of vanadium when charging and discharging the lithium secondary battery using, for instance, vanadium oxide (V2O5) as a positive electrode, and a vanadium positive electrode for a lithium secondary battery pretreated thereby. The electrochemical pretreatment method of the vanadium positive electrode for a lithium secondary battery includes a) a step of discharging the lithium free vanadium positive electrode at a voltage of 1.9 V or more; b) an electrochemical pretreatment step of maintaining the discharged vanadium positive electrode of a) at an onset potential value or a potential value having a maximum current through a potentiostat; and c) a step of charging and discharging the pretreated vanadium positive electrode of b) at a voltage range of 2.1V to 4.0V.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: May 9, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Wansoo Chang, Jonghyun Chae, Suhwan Kim, Sung Chul Lim
  • Publication number: 20230137532
    Abstract: According to an aspect of the present invention, there is provided a ultra-wideband (UWB) system comprising: a memory in which a UWB ranging factor definition program is embedded; and a processor which executes the program, wherein the processor predefines UWB ranging factors to define a scrambled timestamp sequence (STS) index in consideration of a characteristic of an n-byte random value that is changed every ranging.
    Type: Application
    Filed: December 28, 2022
    Publication date: May 4, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventor: Jong Chul LIM
  • Publication number: 20230138772
    Abstract: According to an aspect of the present invention, there is provided an ultra-wideband (UWB) system comprising: a memory in which a UWB ranging factor definition program is embedded; and a processor which executes the program, wherein the processor predefines UWB ranging factors to define a nonce in consideration of a unique key characteristic of an individual device.
    Type: Application
    Filed: December 28, 2022
    Publication date: May 4, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventor: Jong Chul LIM
  • Publication number: 20230135499
    Abstract: The ultra-wideband (UWB) system includes an input unit configured to receive information on a separation distance between a tag and a vehicle, a memory in which a ranging program corresponding to the separation distance is embedded and a processor which executes the program, wherein the program determines a ranging scheme and an anchor to perform ranging according to the separation distance.
    Type: Application
    Filed: December 28, 2022
    Publication date: May 4, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventor: Jong Chul LIM
  • Publication number: 20230137042
    Abstract: The present invention is proposed to solve the above problems and is directed to providing a UWB system comprising: a memory in which a UWB ranging factor definition program is embedded; and a processor which executes the program, wherein the processor predefines UWB ranging factors to define an encryption key in consideration of a unique m-byte key characteristic for each set of a vehicle and a device.
    Type: Application
    Filed: December 28, 2022
    Publication date: May 4, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventor: Jong Chul LIM
  • Publication number: 20230121155
    Abstract: A diagnosis command and a display of a diagnosis result using a vehicle diagnosis device upon after-sales inspection or during the inspection (EOL) during vehicle production. Using a diagnostic function of a controller related to a digital key or a fob key (e.g., a body domain controller (BDC), an integrated body control unit (IBU), or an identity authentication unit (IAU)) and using an existing method and equipment (e.g., a vehicle diagnosis device), the position of a UWB module is detected to estimate whether the module is in an abnormal state (installation in an incorrect position, deviation from a correct position, etc.).
    Type: Application
    Filed: March 14, 2022
    Publication date: April 20, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventor: Jong Chul LIM
  • Publication number: 20230111997
    Abstract: A lock control apparatus for a vehicle includes anchors to receive a signal transmitted from a terminal; a communication module to communicate using controller area network (CAN) communication; a detector installed on a door to input a detection signal; and a processor to receive the signal transmitted from the terminal from at least one of the anchors through the communication module, calculate a position of the terminal based on the signal transmitted from the terminal, determine whether to unlock the door in response to the position of the terminal and the detection signal, and control an engine to start. The processor controls the anchors to enter a sleep mode in response to waiting times of the anchors and resets the anchors to release the sleep mode and controls the anchors to enter a waiting mode in response to the number of anchors transmitting the signal from the terminal.
    Type: Application
    Filed: August 22, 2022
    Publication date: April 13, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventor: Jong Chul LIM
  • Publication number: 20230063790
    Abstract: An ultra-wideband (UWB) anchor using an UWB ON/OFF operation method to minimize degradation of ranging performance. The UWB anchor includes: a power supply to supply power to the UWB anchor; a transceiver to transmit/receive a UWB signal to and from a UWB tag for performing ranging; and a controller to end a ranging session when a cumulative sum of ranging failures for a specific time unit reaches a maximum number of failed ranging round attempts, and to control the power supply and the transceiver to re-enter a UWB signal-reception standby (or UWB ON) mode when a condition is satisfied.
    Type: Application
    Filed: August 19, 2022
    Publication date: March 2, 2023
    Applicant: HYUNDAI MOBIS Co., Ltd.
    Inventor: Jong Chul LIM
  • Publication number: 20230058744
    Abstract: An ultra-wideband (UWB) anchor using a UWB ON/OFF operation method to minimize power consumption. The UWB anchor includes a power supply to supply power to the UWB anchor, a transceiver to transmit/receive a UWB signal to and from a UWB tag for performing ranging, and to transmit a reception failure when failing to receive the UWB signal from the UWB tag, and a controller to receive the reception failure from the transceiver and to end a ranging session when a cumulative sum of ranging failures for each ranging block reaches a maximum number of failed ranging round attempts.
    Type: Application
    Filed: August 18, 2022
    Publication date: February 23, 2023
    Applicant: HYUNDAI MOBIS Co., Ltd.
    Inventor: Jong Chul LIM
  • Publication number: 20230040242
    Abstract: An irreversible additive contained in a cathode material for a secondary battery according to one embodiment of the present disclosure, the irreversible additive being an oxide represented by the following chemical formula 1, wherein the oxide has a trigonal crystal structure, Li2+aNi1?bTibO2+c ??(1) in the above formula, ?0.2?a?0.2, 0<b?0.2, and 0?c?0.2.
    Type: Application
    Filed: July 23, 2021
    Publication date: February 9, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Sung Chul Lim, Youngcheol Choi, Minchul Jang, Kyoung Hoon Kim, Yohan Kwon, Ilhong Kim
  • Patent number: 11575408
    Abstract: Disclosed is an ultra-wideband (UWB) system and, more particularly, a UWB system using UWB ranging factor definition. The UWB system using the UWB ranging factor definition includes a memory in which a UWB ranging factor definition program is embedded and a processor which executes the program, wherein the program predefines UWB ranging factors to define a scrambled timestamp sequence (STS) index, an encryption key, and a nonce.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: February 7, 2023
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventor: Jong Chul Lim