Patents by Inventor Dong-Hwa Seo

Dong-Hwa Seo 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).

  • Patent number: 10969850
    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: Grant
    Filed: July 9, 2020
    Date of Patent: April 6, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Ok Kim, Kang Woon Seo, Jin Hwa Yun
  • Publication number: 20210089422
    Abstract: The present disclosure provides a blockchain-based serverless computing system including a blockchain server configured to store and manage a database including a plurality of block states updated according to at least one transaction received from a client, a state listener configured to monitor whether or not the plurality of block states are changed, and a worker configured to execute a function according to the change of the plurality of block states, the state listener detects the change of the plurality of block states and notifies the worker of a function execution according to the change of the block states, and the worker executes the function according to the notification of the function execution. In addition, a transaction indicating the execution result of the functions by worker can be recorded on the blockchain network.
    Type: Application
    Filed: September 4, 2020
    Publication date: March 25, 2021
    Inventors: Min Hyun KIM, Dong Il SEO, Seong Hwa YUN, Young Soe YOO
  • Patent number: 10917253
    Abstract: A method of configuring an in-vehicle network includes: receiving a first wake-up signal from a first controller among a plurality of controllers in a sleep mode by an Ethernet switch; activating the Ethernet switch according to the wake-up signal; determining a routing port according to a destination address of the Ethernet data received from the first controller; and transmitting a second wake-up signal of a second controller among the plurality of controllers through a physical-layer processing device included in the Ethernet switch corresponding to the determined routing port.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: February 9, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Kang Woon Seo, Dong Ok Kim, Jin Hwa Yun
  • Patent number: 10862668
    Abstract: An operation method of a first communication node operating as a current reference grand master (GM) node in a vehicle network may comprise: transmitting a first synchronization message including a first reference time of the first communication node; receiving a first response message from a second communication node, the first response message including a first synchronization offset indicating a difference between a first local time of the second communication node and the first reference time; receiving a second response message from the second communication node, the second response message including a second synchronization offset indicating a difference between the first local time and a second reference time of a third communication node operating as a GM node; and determining the first communication node or the third communication node as a first reference GM node based on a result of comparison between the first synchronization offset and the second synchronization offset.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: December 8, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Kang Woon Seo, Dong Ok Kim, Jin Hwa Yun
  • Publication number: 20200341534
    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: July 9, 2020
    Publication date: October 29, 2020
    Inventors: Dong Ok Kim, Kang Woon Seo, Jin Hwa Yun
  • Publication number: 20200308000
    Abstract: A compound of Formula I: NaxMnaMb(PO4-?)3??(I) wherein M is V, Nb, Ga, Cr, Ti, Zr, or a combination thereof, a is equal to or greater than 0.8 to equal to or less than 1.5, b is equal to or greater than 0.5 to equal to or less than 1.2, x is greater than 0 to equal to or less than 4, ? is equal to or greater than 0 to equal to or less than 1, and a sum of a and b is 2.
    Type: Application
    Filed: November 6, 2019
    Publication date: October 1, 2020
    Applicants: Samsung Electronics Co., Ltd., The Regents of the University of California
    Inventors: Yan Wang, Dong-Hwa Seo, Jingyang Wang, Gerbrand Ceder
  • Patent number: 10764210
    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: Grant
    Filed: October 2, 2017
    Date of Patent: September 1, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jin Hwa Yun, Jeong Seok Han, Kang Woon Seo, Dong Ok Kim
  • Patent number: 10754411
    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: Grant
    Filed: January 25, 2018
    Date of Patent: August 25, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Ok Kim, Kang Woon Seo, Jin Hwa Yun
  • Patent number: 10749707
    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: Grant
    Filed: November 22, 2017
    Date of Patent: August 18, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Kang Woon Seo, Dong Ok Kim, Jin Hwa Yun
  • Patent number: 10710522
    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: Grant
    Filed: September 12, 2017
    Date of Patent: July 14, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Ok Kim, Kang Woon Seo, Jin Hwa Yun
  • Publication number: 20200218333
    Abstract: An operation method of a communication node in an Ethernet-based vehicle network, the communication node including a regulator, a physical (PHY) layer unit, and a processor, includes outputting, by the processor, a first signal to initiate a supply of power to the communication node; outputting, by the processor, a second signal to initiate a transition of the communication node from a normal mode to a sleep mode; and transitioning, by the PHY layer unit, the communication node from the normal mode to the sleep mode when the second signal is received at the PHY layer unit from the processor.
    Type: Application
    Filed: March 11, 2020
    Publication date: July 9, 2020
    Applicant: Kia Motors Corporation
    Inventors: Sang Woo Yu, Jin Hwa Yun, Kang Woon Seo, Jun Byung Chae, Dong Ok Kim
  • Publication number: 20200194800
    Abstract: An ionic-electronic conductive compound of Formula 1: LixA(1-x-y)MzM?(1-z)O3??(1) wherein, 0<x?0.5, 0?y?0.5, 0?z?0.5, A comprises Mg, Ca, Sr, Ba, or a combination thereof, M and M? each independently comprise As, Sb, Bi, or a combination thereof.
    Type: Application
    Filed: December 12, 2018
    Publication date: June 18, 2020
    Inventors: Dong-Hwa Seo, Sang Bok Ma, Hyuk Jae Kwon, Hyunpyo Lee, Dongmin Im
  • Patent number: 10673986
    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: Grant
    Filed: October 6, 2017
    Date of Patent: June 2, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jin Hwa Yun, Kang Woon Seo, Dong Ok Kim
  • Publication number: 20200162232
    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: January 21, 2020
    Publication date: May 21, 2020
    Inventors: Kang Woon SEO, Dong Ok KIM, Jin Hwa YUN
  • Publication number: 20200150744
    Abstract: An operation method of a communication node in an Ethernet-based vehicle network, the communication node including a regulator, a physical (PHY) layer unit, and a processor, includes outputting, by the processor, a first signal to initiate a supply of power to the communication node; outputting, by the processor, a second signal to initiate a transition of the communication node from a normal mode to a sleep mode; and transitioning, by the PHY layer unit, the communication node from the normal mode to the sleep mode when the second signal is received at the PHY layer unit from the processor.
    Type: Application
    Filed: January 14, 2020
    Publication date: May 14, 2020
    Inventors: Sang Woo Yu, Jin Hwa Yun, Kang Woon Seo, Jun Byung Chae, Dong Ok Kim
  • Patent number: 10630538
    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: Grant
    Filed: October 6, 2017
    Date of Patent: April 21, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Ok Kim, Jun Byung Chae, Kang Woon Seo, Jin Hwa Yun
  • Patent number: 10623291
    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: Grant
    Filed: June 19, 2017
    Date of Patent: April 14, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Kang Woon Seo, Dong Ok Kim, Jin Hwa Yun
  • Patent number: 10585469
    Abstract: An operation method of a communication node in an Ethernet-based vehicle network, the communication node including a regulator, a physical (PHY) layer unit, and a processor, includes outputting, by the processor, a first signal to initiate a supply of power to the communication node; outputting, by the processor, a second signal to initiate a transition of the communication node from a normal mode to a sleep mode; and transitioning, by the PHY layer unit, the communication node from the normal mode to the sleep mode when the second signal is received at the PHY layer unit from the processor.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: March 10, 2020
    Assignee: Hyundai Motor Company
    Inventors: Sang Woo Yu, Jin Hwa Yun, Kang Woon Seo, Jun Byung Chae, Dong Ok Kim
  • Patent number: 10574348
    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: Grant
    Filed: February 21, 2017
    Date of Patent: February 25, 2020
    Assignee: Hyundai Motor Company
    Inventors: Kang Woon Seo, Dong Ok Kim, Jin Hwa Yun
  • Patent number: 10574433
    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: Grant
    Filed: November 16, 2017
    Date of Patent: February 25, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Kang Woon Seo, Dong Ok Kim, Jin Hwa Yun