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).

  • 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
  • COMMUNICATION METHOD BASED ON AUTOMOTIVE SAFETY INTEGRITY LEVEL IN VEHICLE NETWORK AND APPARATUS FOR THE SAME
    Publication number: 20180076970
    Abstract: An operation method of a first communication node supporting communications between an Ethernet-based network and a controller area network (CAN) includes: receiving an Ethernet message from a second communication node belonging to the Ethernet-based network; performing an integrity verification on first automotive safety integrity level (ASIL) authentication information included in the Ethernet message; generating a CAN message based on the Ethernet message for which the integrity verification has been completed; and transmitting the CAN message to a third communication node belonging to the CAN.
    Type: Application
    Filed: September 12, 2017
    Publication date: March 15, 2018
    Inventors: Jeong Seok HAN, Sang Woo YU, Dong Ok KIM, Jin Hwa YUN
  • DIAGNOSTIC METHODS AND APPARATUSES IN VEHICLE NETWORK
    Publication number: 20180072250
    Abstract: A diagnostic method performed by a gateway in a vehicle network, wherein the gateway comprises a controller and a physical (PHY) layer which manages ports and is connected to the controller, may comprise receiving, by the controller, a diagnostic request message from an external diagnostic apparatus connected to a first port; receiving, by the controller, a security authentication request message from the external diagnostic apparatus when a security authentication is required for the diagnostic request message; verifying, by the controller, the security authentication request message; and activating, by the PHY layer, a port of the PHY layer connected to a target communication node to be diagnosed among the ports, under control of the controller, when verification of the security authentication request message is completed.
    Type: Application
    Filed: September 12, 2017
    Publication date: March 15, 2018
    Inventors: Dong Ok KIM, Kang Woon SEO, Jin Hwa YUN
  • LITHIUM BATTERY ELECTRODE AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20180062143
    Abstract: A lithium battery according to the inventive concept may comprise a cathode, an anode separated from the cathode, a first separator disposed between the cathode and the anode, the first separator having first pores, a second separator disposed on the first separator, the second separator having second pores, and an electrolyte filling a gap between the cathode and the anode. Diameters of the second pores may be smaller than those of the first pores. A standard deviation of the diameters of the second pores is smaller than that of the first pores.
    Type: Application
    Filed: June 8, 2017
    Publication date: March 1, 2018
    Applicant: Electronics and Telecommunications Research Instit ute
    Inventors: Ju Young KIM, Kwang Man KIM, Dong Ok SHIN, Young-Gi LEE
  • Tea infuser
    Patent number: 9877606
    Abstract: According to an embodiment of the present invention, a tea infuser comprises a hollow body substantially shaped as a truncated cone. The body includes an upper part having an internal thread. A container is threaded into the body through the upper part. A lower part has an external thread. A filter is disposed in the body. The filter has a jaw along an outer circumferential surface thereof. A first cap covers the upper part. A second cap is threaded to the lower part.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: January 30, 2018
    Inventors: Gwang Kim, Sung Won Yoo, Dong Ok Ha
  • Operation method of communication node in network
    Patent number: 9876857
    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: Grant
    Filed: August 24, 2015
    Date of Patent: January 23, 2018
    Assignee: Hyundai Motor Company
    Inventors: Dong Ok Kim, Kang Woon Seo, Jun Byung Chae, Jin Hwa Yun, Sang Woo Yu
  • NOVEL GROUP 4 TRANSITION METAL COMPOUND AND USE THEREOF
    Publication number: 20180002461
    Abstract: The present invention relates to a novel Group 4 transition metal compound, a method for preparing the compound, a catalyst composition comprising the compound, and a method for preparing a polyolefin comprising performing a polymerization reaction of olefin monomers, in the presence of the catalyst composition. Since the Group 4 transition metal compound of the present invention exhibits an excellent catalytic activity in polyolefin synthesis reactions, as well as having excellent thermal stability, it can be used for polyolefin synthesis reactions at high temperatures, and by changing the type of a central metal and ligand, the weight average molecular weight of synthesized polyolefins and the octene content in the polymer can be controlled. Therefore, it can be effectively used in polyolefin synthesis processes in which grades are controlled.
    Type: Application
    Filed: December 23, 2015
    Publication date: January 4, 2018
    Inventors: Ui Gab Joung, Kil Sagong, Sung Hae Jun, Dong Ok Kim, Hye Ran Park, In Jun Lee
  • NOVEL GROUP 4 TRANSITION METAL COMPOUND AND USE THEREOF
    Publication number: 20170369605
    Abstract: The present invention relates to a novel Group 4 transition metal compound, a method for preparing the compound, a catalyst composition comprising the compound, and a method for preparing a polyolefin comprising performing a polymerization reaction of olefin monomers, in the presence of the catalyst composition. Since the Group 4 transition metal compound of the present invention exhibits an excellent catalytic activity in polyolefin synthesis reactions, as well as having excellent thermal stability, it can be used for polyolefin synthesis reactions at high temperatures, and by changing the type of a central metal and ligand, the weight average molecular weight of synthesized polyolefins and the octene content in the polymer can be controlled. Therefore, it can be effectively used in polyolefin synthesis processes in which grades are controlled.
    Type: Application
    Filed: December 23, 2015
    Publication date: December 28, 2017
    Inventors: Ui Gab Joung, Kil Sagong, Sung Hae Jun, Dong Ok Kim, Hye Ran Park, In Jun Lee
  • OPERATION METHOD OF COMMUNICATION NODE FOR DETECTING LINK ERRORS IN NETWORK
    Publication number: 20170366430
    Abstract: An operation method of a first communication node in an Ethernet-based vehicle network includes identifying a link status between the first communication node and each of a plurality of communication nodes included in the vehicle network; receiving a first frame from a second communication node whose link status is normal among the plurality of communication nodes; identifying a first time difference between a local time of the first communication node and a time stamp of the first frame; and determining a synchronization error between the first communication node and the second communication node based on the first time difference.
    Type: Application
    Filed: June 19, 2017
    Publication date: December 21, 2017
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Kang Woon SEO, Dong Ok KIM, Jin Hwa YUN
  • Controller for in-vehicle ethernet and control method thereof
    Patent number: 9842565
    Abstract: In-vehicle communication and, more particularly, a controller operating an in-vehicle Ethernet environment and a control method thereof are disclosed. A controller operating in an in-vehicle Ethernet network includes a central processing unit (CPU) and a physical layer (PHY) device connected to the CPU through a first interface, a second interface, and a first pin, wherein the PHY device includes a decoder, the PHY device being configured based on a predetermined configuration value for initialization irrespective of booting of an operating system of the CPU, and the decoder decodes compressed video data received from an external source through the Ethernet network into uncompressed video data and transmits the uncompressed video data to the external source after initialization of the PHY device is completed based on configuration of the first pin.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: December 12, 2017
    Assignee: Hyuandai Motor Company
    Inventors: Dong Ok Kim, Jin Hwa Yun
  • In-vehicle apparatus for signal conversion between ethernet and CAN communication and control method thereof
    Patent number: 9813525
    Abstract: In-vehicle communication and, more particularly, a signal conversion method in a vehicle having Ethernet and controller area network (CAN) communication coexisting therein and an apparatus to perform the same are provided. The signal conversion method includes determining, by a processor, a start bit of at least one CAN signal disposed in a CAN message and generating an Ethernet signal having the CAN signal and the start bit that corresponds to the CAN signal in different fields.
    Type: Grant
    Filed: October 27, 2014
    Date of Patent: November 7, 2017
    Assignee: Hyundai Motor Company
    Inventors: Dong Ok Kim, Sang Woo Yu
  • OPERATION METHOD OF A COMMUNICATION NODE IN NETWORK
    Publication number: 20170310591
    Abstract: An operation method of a first communication node comprises: receiving a first frame from a second communication node; obtaining a destination address of the first frame; and transmitting a second frame including an indicator for indicating an occurrence of an error in the first frame to a communication node corresponding to a source address of the first frame, when a port corresponding to the destination address does not exist in a routing table.
    Type: Application
    Filed: April 21, 2017
    Publication date: October 26, 2017
    Inventors: Kang Woon SEO, Dong Ok KIM, Jin Hwa YUN
  • Porous boron nitride and method of preparing the same
    Patent number: 9796595
    Abstract: This disclosure relates to porous boron nitride and a method for preparing the same. The porous boron nitride of the present invention may be obtained by mixing a boron source with a nitrogen source, heating the mixture to form a compound, and then, extracting elements other than boron and nitrogen. The porous boron nitride of the present invention comprises both micropores and mesopoers, and it has a large specific surface area, and thus, may be usefully used in various fields.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: October 24, 2017
    Assignees: Hanwha Chemical Corporation, SNU R&DB Foundation
    Inventors: Shin Hoo Kang, Ji Soon Ihm, Dong Ok Kim, Jin-Hong Kim
  • METHOD FOR SUPPLYING POWER IN NETWORK AND APPARATUS THEREFOR
    Publication number: 20170302462
    Abstract: An operation method of a first communication node in a vehicle network, which includes a power sourcing equipment (PSE) for supplying power to a second communication node and a powered device (PD) for obtaining power from the second communication node, includes: operating the first communication node in a first mode based on the PSE that is activated and the PD that is inactivated; receiving a first signal requesting power supply from the second communication node; and supplying power to the second communication node in response to the first signal.
    Type: Application
    Filed: April 4, 2017
    Publication date: October 19, 2017
    Inventors: Jin Hwa Yun, Jeong Seok Han, Dong Ok Kim
  • POWER CONTROL METHOD FOR POWER OVER DATA LINE SYSTEM
    Publication number: 20170272260
    Abstract: Disclosed are power supply methods in a power over data lines (PoDL) system for a vehicle network. An operation method of a power sourcing equipment (PSE) for power supply to a powered device (PD) comprises measuring an input voltage applied to the PSE; detecting a low voltage state in which the input voltage is lower than a low voltage detection reference voltage; determining whether the low voltage state is a transient voltage drop state; and entering a settle-sleep step when the low voltage state is not the transient voltage drop state, and stopping the power supply between the PSE and the PD while maintaining a link between the PSE and the PD when the low voltage state is the transient voltage drop state.
    Type: Application
    Filed: March 17, 2017
    Publication date: September 21, 2017
    Inventors: Jeong Seok HAN, Dong Ok KIM, Jin Hwa YUN
  • Method and system for providing optimized ethernet communication for vehicle
    Patent number: 9769114
    Abstract: Disclosed are methods for allocating an address to an Electronic Control Unit (ECU) on an in-vehicle Ethernet network and devices therefor. A method may include allocating a first address value identifying the in-vehicle Ethernet network, allocating a second address value identifying a domain corresponding to the ECU, allocating a third address value identifying a group of ECUs in the allocated domain, allocating a fourth address value identifying the ECU in the group, and generating an IP address including the allocated first to fourth address values. The generated IP address is set as a fixed IP address of the ECU.
    Type: Grant
    Filed: August 6, 2015
    Date of Patent: September 19, 2017
    Assignee: Hyundai Motor Company
    Inventors: Jun Byung Chae, Jin Hwa Yun, Kang Woon Seo, Dong Ok Kim, Sang Woo Yu
  • METHOD FOR DIAGNOSING LINK STATUS IN NETWORK
    Publication number: 20170250858
    Abstract: Disclosed are link status diagnostic methods for a vehicle network. A link status diagnostic method performed in a communication node includes: identifying a type of a fault occurring in a link connected to the communication node; generating a signal including a link fault type indicator indicating the type of the fault; and transmitting the signal. Also, the signal is generated and transmitted according to an auto negotiation protocol. Therefore, stability and reliability of the vehicle network can be enhanced, thereby improving overall performance of the vehicle network.
    Type: Application
    Filed: February 17, 2017
    Publication date: August 31, 2017
    Inventors: Jun Byung Chae, Jin Hwa Yun, Jeong Seok Han, Kang Woon Seo, Dong Ok Kim, Sang Woo Yu
  • METHOD FOR TIME SYNCHRONIZATION BETWEEN COMMUNICATION NODES IN NETWORK
    Publication number: 20170244477
    Abstract: Methods for time synchronization among communication nodes in a vehicle network are disclosed. An operation method of a first communication node includes: transmitting a first frame requesting verification of time synchronization to a second communication node; receiving a second frame including information indicating a link delay time of the second communication node from the second communication node; receiving a third frame including information indicating a transmission time of the second frame from the second communication node; and verifying time synchronization between the first and second communication nodes based on the information included in the received second and third frames.
    Type: Application
    Filed: February 21, 2017
    Publication date: August 24, 2017
    Inventors: Kang Woon Seo, Dong Ok Kim, Jin Hwa Yun