Patents by Inventor Dong Ok

Dong Ok 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).

  • ETHERNET COMMUNICATION APPARATUS, AND METHOD FOR RECOVERING ERROR OF END NODE AND SWITCH IN VEHICLE
    Publication number: 20190036649
    Abstract: An error recovery method performed in an end node of an Ethernet-based vehicle network includes: detecting, by a physical (PHY) layer processor of a PHY layer of the end node, a physical error of a message, when the message is received at the PHY layer of the end node; detecting, by a controller processor of a controller included in the end node, a logical error of the message; and classifying, by the controller processor, types of the physical error and the logical error.
    Type: Application
    Filed: July 25, 2018
    Publication date: January 31, 2019
    Inventors: Dong Ok KIM, Jin Hwa YUN, Jeong Seok HAN
  • METHOD FOR PREVENTING DIAGNOSTIC ERRORS IN VEHICLE NETWORK AND APPARATUS THEREFOR
    Publication number: 20180374286
    Abstract: A diagnostic method performed by a first communication node among a plurality of communication nodes in a vehicle network may include generating a diagnostic initiation message indicating that a first diagnostic procedure by an external diagnostic apparatus is to be performed upon detecting that the external diagnostic apparatus is connected to the first communication node; transmitting the diagnostic initiation message in a broadcast manner in the vehicle network; receiving a negative response message as a response to the diagnostic initiation message from a second communication node among the plurality of communication nodes, the negative response message indicating the second communication node operating as an internal diagnostic apparatus; and performing the first diagnostic procedure after a time indicated by the negative response message.
    Type: Application
    Filed: June 13, 2018
    Publication date: December 27, 2018
    Inventors: Dong Ok KIM, Jin Hwa YUN
  • CONTROL METHOD OF ELECTRONIC MODULE IN VEHICLE AND VEHICLE HAVING THE SAME
    Publication number: 20180373458
    Abstract: An in-vehicle communication method enables efficient data management by reducing a controller area network (CAN) message volume without changing a hardware component, in which the communication method is capable of changing data included in the CAN message. To carry out the communication method, a vehicle includes: a storage unit; a communication unit that receives first information including an identifier at an initial time point and second information including the identifier at a time after the initial time point; and a controller that stores the first information in the storage unit and a data field of the second information different from a data field of the first information by comparing the data field of the first information with the data field of the second information.
    Type: Application
    Filed: November 21, 2017
    Publication date: December 27, 2018
    Inventors: Dong Ok Kim, Jinhwa Yun
  • Group 4 transition metal compound and use thereof
    Patent number: 10160775
    Abstract: The present invention relates to a novel group 4 transition metal compound, a method for preparing the compound, a catalyst composition containing the compound, and a method for preparing a polyolefin, comprising a step for forming a polymerization reaction of olefin monomers in the presence of the catalyst composition. The group 4 transition metal compound of the present invention exhibits an excellent catalytic activity and has excellent thermal stability in a polyolefin synthesis reaction, and thus can be used even in a polyolefin synthesis reaction at a high temperature. In addition, the compound of the present invention can be advantageously used in the synthesis process of grade-controlled polyolefin since the weight average molecular weight of the synthesized polyolefin and the octane content in the polymer can be adjusted by varying the kinds of center metal and ligand.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: December 25, 2018
    Assignee: HANWHA CHEMICAL CORPORATION
    Inventors: Ui Gab Joung, Dong Ok Kim, Dong Wook Kim, Ah Reum Kim, Hye Ran Park, Kil Sagong, Sung Hae Jun, Chun Sun Lee, Eun Yeong Hwang
  • OPERATION METHOD OF COMMUNICATION NODE FOR DIAGNOSING VEHICLE NETWORK
    Publication number: 20180367436
    Abstract: An operation method of a first switch, among a plurality of switches in a vehicle network including the plurality of switches connected through a bus line in a bus topology, may include receiving a diagnostic request message from an on-board diagnostic (OBD) apparatus through the bus line; performing a diagnostic operation indicated by the diagnostic request message; and transmitting a result of the diagnostic operation to the OBD apparatus through the bus line.
    Type: Application
    Filed: December 4, 2017
    Publication date: December 20, 2018
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Ok Kim, Jun Byung Chae, Jin Hwa Yun
  • METHOD FOR TRANSMITTING AND RECEIVING WAKE-UP SIGNAL IN VEHICLE NETWORK
    Publication number: 20180352512
    Abstract: An operation method of a communication node in a vehicle network may include detecting a local event; transitioning an operation mode of the communication node from a sleep mode to a normal mode when the local event is detected; generating a wake-up signal including a wake-up pattern corresponding to the local event; and transmitting the wake-up signal.
    Type: Application
    Filed: January 25, 2018
    Publication date: December 6, 2018
    Inventors: Dong Ok Kim, Kang Woon Seo, Jin Hwa Yun
  • COMMUNICATION NODE IN VEHICLE NETWORK AND OPERATION METHOD OF THE COMMUNICATION NODE
    Publication number: 20180321729
    Abstract: A communication node in a vehicle network may comprise a medium access control (MAC) layer; a physical (PHY) layer; a first port connected to the PHY layer; a second port connected to the PHY layer; and a switch controlling a connection between the first port and the second port. The switch may turn on or off the connection between the first port and the second port under control of the MAC layer.
    Type: Application
    Filed: May 3, 2018
    Publication date: November 8, 2018
    Inventors: Dong Ok KIM, Kang Woon SEO, Jin Hwa YUN
  • Operation methods of communication node in network
    Patent number: 10122580
    Abstract: An operation method of a communication node in a vehicle network is disclosed. A transmission method performed by a communication node may be configured to comprise performing an initialization operation for transmission of an audio video bridging (AVB) stream, performing an operation of obtaining a buffer for the transmission of the AVB stream, performing the transmission of the AVB stream stored in the buffer, and performing an operation of finalizing the transmission of the AVB stream. Accordingly, performance of the vehicle network can be enhanced.
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: November 6, 2018
    Assignee: Hyundai Motor Company
    Inventors: Jun Byung Chae, Jin Hwa Yun, Kang Woon Seo, Dong Ok Kim, Sang Woo Yu
  • OPERATION METHOD OF COMMUNICATION NODE SUPPORTING NETWORK MANAGEMENT FUNCTIONS IN VEHICLE NETWORK
    Publication number: 20180279098
    Abstract: An operation method of a communication node in a vehicle network may comprise performing a transition of an operation mode of the communication node from a sleep mode to a normal mode when a predetermined event is detected; transmitting a wake-up signal when the operation mode transitions from the sleep mode to the normal mode; generating a network management (NM) message including information indicating a wake-up reason corresponding to the wake-up signal; and transmitting the NM message.
    Type: Application
    Filed: January 25, 2018
    Publication date: September 27, 2018
    Inventors: Dong Ok Kim, Jin Hwa Yun
  • Operation mode transition method in network
    Patent number: 10050864
    Abstract: An operation method of a switch apparatus includes: obtaining configuration information of communication nodes connected to the switch apparatus; identifying ports connected to end nodes among the communication nodes based on the configuration information; identifying link statuses of the ports; and when the link statuses of the ports are a DOWN state during a predetermined period of time, changing an operation mode of the switch apparatus from a normal mode to a low-power mode.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: August 14, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Kang Woon Seo, Jin Hwa Yun, Jun Byung Chae, Dong Ok Kim, Sang Woo Yu
  • OPERATION METHOD OF COMMUNICATION NODE IN NETWORK
    Publication number: 20180146043
    Abstract: An operation method of communication node in a vehicle network is provided. The operation method includes transitioning from a sleep mode to an active mode and generating a first message that includes a first information indicating at least one communication node to be operated in the active mode. In addition, the method includes transmitting the first message to a second communication node to thus enhance performance of a vehicle network.
    Type: Application
    Filed: January 18, 2018
    Publication date: May 24, 2018
    Inventors: Dong Ok Kim, Kang Woon Seo, Jun Byung Chae, Jin Hwa Yun, Sang Woo Yu
  • OPERATION METHOD OF COMMUNICATION NODE FOR TIME SYNCHRONIZATION IN VEHICLE NETWORK
    Publication number: 20180145823
    Abstract: An operation method of a first communication node among a plurality of communication nodes included in an Ethernet-based vehicle network may include steps of measuring a first link delay for performing time synchronization with a second communication node included in the plurality of communication nodes; calculating a difference between the first link delay and an average value of a plurality of link delays measured before the measurement of the first link delay; comparing the calculated difference with a first threshold value for controlling a link delay measurement cycle for the second communication node; and controlling the link delay measurement cycle for the second communication node based on the comparison result.
    Type: Application
    Filed: November 16, 2017
    Publication date: May 24, 2018
    Inventors: Kang Woon SEO, Dong Ok KIM, Jin Hwa YUN
  • METHOD AND APPARATUS FOR REPRODUCING CONTENTS BASED ON PRESENTATION TIME IN AUTOMOTIVE NETWORK
    Publication number: 20180145848
    Abstract: A method for operating a first communication node connected to an in-vehicle network is provided. The method comprises generating a header including a count field indicating a wraparound count for a presentation time of contents and a timestamp field indicating the presentation time, generating a payload field including the contents, and transmitting a frame including the header and the payload field to a second communication node connected to the in-vehicle network.
    Type: Application
    Filed: November 22, 2017
    Publication date: May 24, 2018
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Kang Woon SEO, Dong Ok KIM, Jin Hwa YUN
  • LITHIUM BATTERY AND METHOD FOR MANUFACTURING SAME
    Publication number: 20180115021
    Abstract: Provided is a method for manufacturing a lithium battery, wherein the method may include preparing a first electrode structure including a first current collector, a first electrode layer, and first electrode columns, which are stacked, preparing a second electrode structure including a second current collector and a second electrode layer, and forming an electrolyte between the first electrode structure and the second electrode structure, the electrolyte may extend in between the first electrode columns, and the forming of the electrolyte may include preparing a mixture including inorganic particles, a polymer, and an organic solution, preparing a liquid-state mixture by heating the mixture, and applying the liquid-state mixture onto the first electrode columns, and the polymer may have nitrile groups.
    Type: Application
    Filed: September 26, 2017
    Publication date: April 26, 2018
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Young-Gi LEE, Dong Ok SHIN, Kwang Man KIM
  • SOLID ELECTROLYTE COMPOSITION, METHOD FOR PREPARING SAME, AND METHOD FOR MANUFACTURING ALL-SOLID-STATE BATTERY USING SAME
    Publication number: 20180108943
    Abstract: Provided is a solid electrolyte composition including a solid electrolyte with a protective layer provided on a surface thereof, and a polymer binder. The protective layer includes at least one of an inorganic layer, including at least one of an oxide, a nitride, and a sulfide, an organic layer, including a polydopamine derivative, and a self-assembled monolayer, including an organosilane.
    Type: Application
    Filed: July 10, 2017
    Publication date: April 19, 2018
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Dong Ok SHIN, Young-Gi LEE, Kwang Man KIM, Ju Young KIM
  • OPERATION METHOD OF COMMUNICATION NODE FOR SELECTIVE WAKE-UP IN VEHICLE NETWORK
    Publication number: 20180103121
    Abstract: An operation method of a first communication node among a plurality of communication nodes included in an Ethernet-based vehicle network may comprise receiving a first message requesting an update of software for a second communication node among the plurality of communication nodes; configuring a port for wake-up of the second communication node based on a path between the first communication node and the second communication node; transmitting a second message instructing wake-up of the second communication node via the configured port; and providing the update of the software to the second communication node based on the path corresponding to the configured port.
    Type: Application
    Filed: October 6, 2017
    Publication date: April 12, 2018
    Inventors: Jin Hwa YUN, Kang Woon SEO, Dong Ok KIM
  • METHOD OF TRANSMITTING AND RECEIVING DATA IN VEHICLE NETWORK AND APPARATUS FOR THE SAME
    Publication number: 20180103108
    Abstract: An operation method of a first communication node in an Ethernet-based vehicle network includes: generating a data message including data when there is data to be transmitted to a second communication node belonging to the Ethernet-based vehicle network; and transmitting the data message to the second communication node. The data message further includes a first indicator indicating a type of the data and a second indicator indicating an encoding scheme applied to the data, such that a vehicle network even in an existing vehicle can support transmission and reception of information for the new IT service, and the performance of the vehicle network can be improved.
    Type: Application
    Filed: September 28, 2017
    Publication date: April 12, 2018
    Inventors: Dong Ok KIM, Sang Woo YU, Jin Hwa YUN
  • OPERATION METHOD OF COMMUNICATION NODE FOR MIRRORING IN VEHICLE NETWORK
    Publication number: 20180102987
    Abstract: An operation method of a first communication node among a plurality of communication nodes included in an Ethernet-based vehicle network includes: receiving a first message indicating an operation of a first function of a vehicle from a second communication node among the plurality of communication nodes; determining a third communication node performing a second function corresponding to the first function among the plurality of communication nodes; determining at least one communication node providing data related to the second function among the plurality of communication nodes; and configuring port mirroring for the first function such that a second message received from the at least one communication node is mirrored to the third communication node.
    Type: Application
    Filed: October 2, 2017
    Publication date: April 12, 2018
    Inventors: Jin Hwa YUN, Jeong Seok HAN, Kang Woon SEO, Dong Ok KIM
  • SOFTWARE UPDATE METHOD AND APPARATUS FOR VEHICLE
    Publication number: 20180102939
    Abstract: An operation method of a first communication node constituting an Ethernet-based vehicle network of a vehicle may comprise waking up by transitioning from a sleep state to a ready state; preventing transmission of network requests to other communication nodes connected to the Ethernet-based vehicle network; and performing update of software. Thus, only a target end node among a plurality of end nodes connected to the Ethernet-based vehicle network can be woken up for update of software so as to reduce power consumption of the vehicle due to the update of software. Also, abnormal operations due to the update of software can be prevented by allowing the update of software to be performed only while the vehicle is not running.
    Type: Application
    Filed: October 6, 2017
    Publication date: April 12, 2018
    Inventors: Dong Ok KIM, Jun Byung CHAE, Kang Woon SEO, Jin Hwa YUN
  • Porous carbon and method of preparing the same
    Patent number: 9919924
    Abstract: This disclosure relates to porous carbon and a method of preparing the same. The porous carbon of the present invention is derived from a carbide compound having a composition comprising metal and oxide. The porous carbon of the present invention comprises both micropores and mesopores, and has large specific surface area, and thus, may be usefully used in various fields.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: March 20, 2018
    Assignees: Hanwha Chemical Corporation, SNU R&DB Foundation
    Inventors: Shin Hoo Kang, Ji Soon Ihm, Dong Ok Kim