Patents by Inventor Chung Hi Lee

Chung Hi Lee 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: 20200156497
    Abstract: An electric vehicle charging control system may include an electric vehicle which extracts current time information, the integrity of which has been verified, by use of a public key cryptography, and charges power from a charging terminal, when it is determined that a charging contact certificate is valid, based on the extracted current time information, a server to transmit the current time information, the integrity of which has been verified using the public key cryptography, to the electric vehicle, and the charging terminal connected to the electric vehicle. The validity of the certificate used in vehicle charging and billing for charging is determined through the power line communication, and the security against the hacking is enhanced in the charging of the electric vehicle.
    Type: Application
    Filed: May 21, 2019
    Publication date: May 21, 2020
    Inventors: Don Hyoung LEE, Chung Hi LEE, Hyeon Soo KIM, Tae Sun ROH
  • Publication number: 20200077440
    Abstract: Disclosed herein is a network apparatus for designing collision avoidance and a method for controlling the same. The network apparatus for designing collision avoidance includes a plurality of controllers, and a main controller configured to generate a plurality of transmission schedule tables on the basis of transmission data for the plurality of controllers, perform real-time monitoring, and select and change one of the plurality of the transmission schedule tables for collision avoidance.
    Type: Application
    Filed: November 29, 2018
    Publication date: March 5, 2020
    Inventor: Chung-Hi Lee
  • Patent number: 10569666
    Abstract: A vehicle is provided to obtain reliable time information via communication with a server without separate hardware. The vehicle includes a communicator that is configured to receive authentication information from a server and a charging port that is electrically connected to a charger. The charging port is configured to receive time information of the charger from the charger. A controller is then configured to derive time information of the vehicle based on the time information of the charger and reference time information included in the authentication information and adjust the time of at least one processor disposed within the vehicle to be synchronized.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: February 25, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Chung Hi Lee, HyeonSoo Kim, TaeSun Roh, DonHyoung Lee
  • Patent number: 10367709
    Abstract: A method and apparatus for analyzing a signal delay time based on controller area network (CAN) burst are disclosed. An apparatus for analyzing a signal delay time, connected to a controller area network (CAN) bus includes a measuring device configured to determine a transmission start time based on a receiving time point of a CAN signal and to determine a receiving time interval between the CAN signals that are continuously received, a fixer configured to fix a burst period corresponding to CAN signals with the determined receiving time interval less than a predetermined value, a selector configured to select an analysis target CAN signal in the fixed burst period, and a determiner configured to determine a maximum transmission delay time ‘a’ corresponding to the selected CAN signal.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: July 30, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Chung Hi Lee, Woo Sub Kim, Jeong Hwan Kim, Yong Woon Cho, Jeong Chan Kim, Myung Hyun Koo
  • Patent number: 10033546
    Abstract: The system for reprogramming a plurality of control units includes a first control unit and a second control unit connected by one CAN bus, and a diagnosing unit. The diagnosing unit includes a first controller configured to reprogram the first control unit and a second controller configured to reprogram the second control unit. The diagnosing unit is configured to perform bidirectional reprogramming for the first control unit and the second control unit while sharing information between the first controller and the second controller.
    Type: Grant
    Filed: June 4, 2013
    Date of Patent: July 24, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: So Jin Lee, Hyun Cheol Bae, Kang Ju Cha, Chung Hi Lee, Ji Hwon Kim
  • Publication number: 20180152364
    Abstract: A method and apparatus for analyzing a signal delay time based on controller area network (CAN) burst are disclosed. An apparatus for analyzing a signal delay time, connected to a controller area network (CAN) bus includes a measuring device configured to determine a transmission start time based on a receiving time point of a CAN signal and to determine a receiving time interval between the CAN signals that are continuously received, a fixer configured to fix a burst period corresponding to CAN signals with the determined receiving time interval less than a predetermined value, a selector configured to select an analysis target CAN signal in the fixed burst period, and a determiner configured to determine a maximum transmission delay time ‘a’ corresponding to the selected CAN signal.
    Type: Application
    Filed: September 26, 2017
    Publication date: May 31, 2018
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Chung Hi LEE, Woo Sub Kim, Jeong Hwan Kim, Yong Woon Cho, Jeong Chan Kim, Myung Hyun Koo
  • Patent number: 9787677
    Abstract: A method and apparatus for authenticating packets in a controller area network (CAN) are disclosed. The method includes transmitting messages using a mixture of message authentication codes (MACs) in a controller area network (CAN). In addition, a first MAC is generated using a first message and the first MAC is divided into a first MAC part and a second MAC part. A second MAC is generated using a second message and the second MAC is divided into a third MAC part and a fourth MAC part. A linear operation is performed between the second MAC part and the third MAC part to generate a first authentication MAC. The first message is transmitted with the first MAC part and the second message is transmitted with the first authentication MAC.
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: October 10, 2017
    Assignees: Hyundai Motor Company, Kia Motors Corporation, SNU R&DB Foundation, Industry-Academic Cooperation Foundation, Chosun University
    Inventors: Ho Jin Jung, Chung Hi Lee, Ho Yoo, Byoung Wook Lee, Hyun Soo Ahn, Ho Youn Kim, Young Sik Moon, Jun Young Woo, Young Sik Kim, Kang Seok Lee, Jong Seon No
  • Patent number: 9755968
    Abstract: A method for processing a SOME/IP stream through interworking with Audio Video Bridging (AVB) in a server includes determining a transmission scheme for the SOME/IP stream through a SOME/IP service discovery procedure and generating an InitialEvent message and transmitting the generated InitialEvent message to a client according to the determined transmission scheme. If the determined transmission scheme is L2-Frame, the SOME/IP stream is transmitted through a layer 2 of AVB. Therefore, a SOME/IP stream, the QoS of which is guaranteed through interworking with AVB, may be provided.
    Type: Grant
    Filed: May 6, 2015
    Date of Patent: September 5, 2017
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Seung Su Kim, Seong Jin Park, Woo Sub Kim, Ho Yoo, Chung Hi Lee, Sung Kwon Park, Ju Ho Lee, Young Hwan Jeon
  • Patent number: 9729535
    Abstract: A method of transmitting K messages using divided message authentication codes (MACs) in a controller area network (CAN) includes: generating a MAC using a first message and a specific MAC, performing a first operation with respect to j using j-th messages subsequent to the first message and a second MAC part of the generated MAC, performing a second operation with respect to j using a result of the performed first operation and a j-th subblock subsequent to a first MAC subblock among K MAC subblocks obtained by dividing a first MAC part of the generated MAC, transmitting the first message along with the first MAC subblock, and transmitting K-1 j-th messages in an order of j, each of the j-th messages being transmitted along with a j-th result of the performed second operation.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: August 8, 2017
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Industry-Academic Cooperation Foundation, Chosun University, SNU R&DB Foundation
    Inventors: Byoung Wook Lee, Chung Hi Lee, Ho Yoo, Ho Jin Jung, Hyun Soo Ahn, Ho Youn Kim, Young Sik Moon, Jun Young Woo, Young Sik Kim, Kang Seok Lee, Jong Seon No
  • Patent number: 9692614
    Abstract: A method for providing time synchronization in a node connected to an Audio Video Bridging (AVB) Ethernet communication network includes steps of receiving static announcement messages from adjacent nodes and constituting a static grandmaster table, reselecting a grandmaster with reference to the static grandmaster table when a synchronization message timer expires, and updating the static grandmaster table according to reselection of the grandmaster. The method may rapidly time synchronization in the Audio Video Bridging (AVB) Ethernet communication network and minimize network load.
    Type: Grant
    Filed: May 6, 2015
    Date of Patent: June 27, 2017
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Seung Su Kim, Seong Jin Park, Woo Sub Kim, Ho Yoo, Chung Hi Lee, Sung Kwon Park, Ju Ho Lee, Young Hwan Jeon
  • Publication number: 20160308887
    Abstract: A method for detecting intrusion into an in-vehicle network using an intrusion detection system (IDS) of a vehicle includes: receiving messages of the in-vehicle network in a preset cycle, calculating a current count value per message of the received messages, receiving operation state information of the vehicle when the cycle starts, determining a normal count value per message corresponding to the operation state information, calculating a linearly approximated relative distance function per message using the current count value and the normal count value, and determining whether an intrusion state occurs by comparing the calculated linearly approximated relative distance function per message to a preset threshold value.
    Type: Application
    Filed: December 4, 2015
    Publication date: October 20, 2016
    Inventors: Ho Jin Jung, Chung Hi Lee, Ho Yoo, Byoung Wook Lee, Hyun Soo Ahn, Ho Youn Kim, Young Sik Moon, Jun Young Woo, Young Sik Kim, Kang Seok Lee, Jong Seon No
  • Patent number: 9432207
    Abstract: An Ethernet based vehicle network message transferring system is provided that includes a gateway switch that connects the Ethernet to vehicle networks having different protocols and an Ethernet switch that switches Ethernet messages between the gateway switch and vehicle devices to transfer the Ethernet messages. The Ethernet switch includes a processing module that transfers the Ethernet messages received via the gateway switch in the different vehicle networks, a vehicle network process module that switches the messages transferred from the processing module, and a lookup table in which information necessary for switching the vehicle network process module is stored.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: August 30, 2016
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Research & Business Foundation Sungkyunkwan University
    Inventors: Suk Hyun Seo, Hyun Cheol Bae, Chung Hi Lee, Jae Wook Jeon, Jin Ho Kim
  • Publication number: 20160149692
    Abstract: A method for providing time synchronization in a node connected to an Audio Video Bridging (AVB) Ethernet communication network includes steps of receiving static announcement messages from adjacent nodes and constituting a static grandmaster table, reselecting a grandmaster with reference to the static grandmaster table when a synchronization message timer expires, and updating the static grandmaster table according to reselection of the grandmaster. The method may rapidly time synchronization in the Audio Video Bridging (AVB) Ethernet communication network and minimize network load.
    Type: Application
    Filed: May 6, 2015
    Publication date: May 26, 2016
    Inventors: Seung Su KIM, Seong Jin PARK, Woo Sub KIM, Ho YOO, Chung Hi LEE, Sung Kwon PARK, Ju Ho LEE, Young Hwan JEON
  • Publication number: 20160142303
    Abstract: A method for processing a SOME/IP stream through interworking with Audio Video Bridging (AVB) in a server includes determining a transmission scheme for the SOME/IP stream through a SOME/IP service discovery procedure and generating an InitialEvent message and transmitting the generated InitialEvent message to a client according to the determined transmission scheme. If the determined transmission scheme is L2-Frame, the SOME/IP stream is transmitted through a layer 2 of AVB. Therefore, a SOME/IP stream, the QoS of which is guaranteed through interworking with AVB, may be provided.
    Type: Application
    Filed: May 6, 2015
    Publication date: May 19, 2016
    Inventors: Seung Su KIM, Seong Jin PARK, Woo Sub KIM, Ho YOO, Chung Hi LEE, Sung Kwon PARK, Ju Ho LEE, Young Hwan JEON
  • Publication number: 20160099939
    Abstract: A method and apparatus for authenticating packets in a controller area network (CAN) are disclosed. The method includes transmitting messages using a mixture of message authentication codes (MACs) in a controller area network (CAN). In addition, a first MAC is generated using a first message and the first MAC is divided into a first MAC part and a second MAC part. A second MAC is generated using a second message and the second MAC is divided into a third MAC part and a fourth MAC part. A linear operation is performed between the second MAC part and the third MAC part to generate a first authentication MAC. The first message is transmitted with the first MAC part and the second message is transmitted with the first authentication MAC.
    Type: Application
    Filed: February 26, 2015
    Publication date: April 7, 2016
    Inventors: Ho Jin Jung, Chung Hi Lee, Ho Yoo, Byoung Wook Lee, Hyun Soo Ahn, Ho Youn Kim, Young Sik Moon, Jun Young Woo, Young Sik Kim, Kang Seok Lee, Jong Seon No
  • Publication number: 20160099926
    Abstract: A method of transmitting K messages using divided message authentication codes (MACs) in a controller area network (CAN) includes: generating a MAC using a first message and a specific MAC, performing a first operation with respect to j using j-th messages subsequent to the first message and a second MAC part of the generated MAC, performing a second operation with respect to j using a result of the performed first operation and a j-th subblock subsequent to a first MAC subblock among K MAC subblocks obtained by dividing a first MAC part of the generated MAC, transmitting the first message along with the first MAC subblock, and transmitting K-1 j-th messages in an order of j, each of the j-th messages being transmitted along with a j-th result of the performed second operation.
    Type: Application
    Filed: March 26, 2015
    Publication date: April 7, 2016
    Inventors: Byoung Wook Lee, Chung Hi Lee, Ho Yoo, Ho Jin Jung, Hyun Soo Ahn, Ho Youn Kim, Young Sik Moon, Jun Young Woo, Young Sik Kim, Kang Seok Lee, Jong Seon No
  • Publication number: 20160020863
    Abstract: A method for providing a black box service for vehicle diagnosis and an apparatus and system therefor are disclosed herein. A method for providing a black box service for vehicle diagnosis in an in-vehicle apparatus connected to a network includes confirming whether or not a time synchronization message including a black box address is received, updating status information in the apparatus, when the time synchronization message is received as a result of confirmation, and transmitting a status information message including the updated status information to the black box address set as a destination address. Therefore, a more stable black box service for vehicle diagnosis is provided.
    Type: Application
    Filed: October 28, 2014
    Publication date: January 21, 2016
    Inventors: Seung Su Kim, Seong Jin Park, Woo Sub Kim, Ho Yoo, Chung Hi Lee, Sung Kwon Park, Ju Ho Lee, Young Hwan Jeon
  • Patent number: 9231967
    Abstract: An apparatus for detecting an in-vehicle network attack, is configured to cumulatively count packets for each device that has a respective ID and is connected to an in-vehicle network bus. The apparatus is configured to cumulate a check value every time the packets are cumulatively counted to calculate a cumulated value, and determine that an attack is conducted when an average cumulated value obtained by dividing the cumulated value by a cumulative counted value does not exceed a first threshold value.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: January 5, 2016
    Assignees: HYUNDAI MOTOR COMPANY, SNU R&DB FOUNDATION, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, CHOSAUN UNIVERSITY
    Inventors: Hyun Soo Ahn, Chung Hi Lee, Byoung Wook Lee, Hyun Cheol Bae, Jong Seon No, Ji Youp Kim, Jun Young Woo, Chang Min Cho, Young Sik Kim, Young Sik Moon
  • Patent number: 9172635
    Abstract: A backbone network system for a vehicle enables high-speed and large-capacity data transmission between integrated control modules mounted in the vehicle, such that communication can be maintained through another alternative communication line when an error occurs in a specific communication line. The backbone network system enables various kinds of integrated control modules mounted in the vehicle to perform large-capacity and high-speed communications, based on Ethernet communication, by connecting domain gateways of the integrated control modules through an Ethernet backbone network, and provides a fast fail-safe function so that domain gateways can perform communications through another communication line when an error occurs in a communication line between the domain gateways.
    Type: Grant
    Filed: December 24, 2013
    Date of Patent: October 27, 2015
    Assignee: Hyundai Motor Company
    Inventors: Seung Su Kim, Hyun Cheol Bae, Woo Sub Kim, Seong Jin Park, Chung Hi Lee
  • Publication number: 20150180840
    Abstract: A firmware transmission method through which a server transmits firmware, includes generating a secret key using a designated secret key generation function, encrypting original firmware using the secret key, encrypting the secret key using a public key of a reception terminal which is stored in advance, and generating a hash value by inputting the original firmware to a designated hash function, and encrypting the generated hash value using a private key of the server which is stored in advance, wherein firmware data including the encrypted original firmware, the encrypted secret key, and the encrypted hash value is transmitted to the reception terminal. Therefore, the firmware transmission method provides safe firmware upgrade.
    Type: Application
    Filed: November 25, 2014
    Publication date: June 25, 2015
    Inventors: Ho Jin JUNG, Hyun Soo Ahn, Chung Hi Lee