Patents by Inventor Dong-Chul Park

Dong-Chul Park 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: 20220357912
    Abstract: An apparatus and a method for caring emotion of a driver based on a vehicle sound, may include a detector configured to detect driving information of the vehicle and body information of a user, a non-transitory storage to store instructions, and a processor to execute the instructions. The processor determines an emotional status of the driver by use of at least one of the driving information or the body information, to generate a healing sound by designing a virtual sound based on the driving information and the emotional status of the driver, and to generate and output the healing sound.
    Type: Application
    Filed: October 27, 2021
    Publication date: November 10, 2022
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation, Seoul National University R&DB Foundation
    Inventors: Ki Chang KIM, Eun Soo JO, Tae Kun YUN, Sang Jin HONG, Dong Chul PARK, Kyoung Jin CHANG, Ju In KIM, Jin Sung LEE, Myung Hwan YUN, Sung Ho KIM
  • Publication number: 20220355732
    Abstract: A system for generating a virtual engine sound may include a server having information on at least one review of the virtual engine sound, and a virtual engine sound generator to generate “my sound” by tuning the virtual engine sound based on information on customized design settings, to update a preset driver emotion model for each emotion evaluation area of the virtual engine sound, based on the information on the at least one review of the virtual engine sound, which is received from the server, and to update the virtual engine sound based on the “my sound” and the driver emotion model updated for each emotion evaluation area.
    Type: Application
    Filed: August 20, 2021
    Publication date: November 10, 2022
    Inventors: Ki Chang KIM, Dong Chul PARK, Eun Soo JO, Jin Sung LEE
  • Publication number: 20220301534
    Abstract: A vibration reducing device is attached to a structure and blocks sound transmitted through the structure. The vibration reducing device includes a unit structure having a target frequency band, the unit structure including a plurality of unit cells, each formed of an acoustic meta-material and having a different target frequency, the unit cells being connected through first bridges; and a predetermined number of unit structures being connected through second bridges and attached to the structure, where each of the unit cells comprises: a mass portion of which a size is set according to the target frequency; a base frame formed as a quadrangular frame, the mass portion being eccentrically disposed in the base frame; and a support portion that connects the mass portion and the base frame, the support portion having a size that is set according to the target frequency.
    Type: Application
    Filed: October 5, 2021
    Publication date: September 22, 2022
    Inventors: Kyoung-Jin Chang, Sangjin Hong, Dong Chul Park
  • Publication number: 20220283773
    Abstract: An embodiment vehicle includes a camera, a speaker, and a controller electrically connected to the camera and the speaker, wherein the controller is configured to acquire a first external image outside the vehicle from the camera, input the first external image to a pre-trained first neural network and extract a first feature corresponding to the first external image, and control the speaker to output a first sound sample among a plurality of sound samples, based on a comparison of the first feature and pre-stored features corresponding to the plurality of sound samples.
    Type: Application
    Filed: January 14, 2022
    Publication date: September 8, 2022
    Inventors: Kyoung-Jin Chang, Dong Chul Park, Jinsung Lee, Sangjin Hong
  • Publication number: 20220269474
    Abstract: A vehicle is provided and includes a camera that photographs a face of a driver, a sensor that obtains skin information of the driver, a speaker, and a controller. The controller determines a physical condition of the driver based on at least one of a face image of the driver and the skin information of the driver, determines a sound source and a parameter based on the physical condition of the driver, generates a driving sound by reflecting driving information of the vehicle in the sound source and the parameter, and operates the speaker to output the driving sound.
    Type: Application
    Filed: November 5, 2021
    Publication date: August 25, 2022
    Inventors: Kyoung-Jin Chang, Dong Chul Park, Jinsung Lee, Sangjin Hong
  • Publication number: 20220207935
    Abstract: A method of generating a tire slip sound is capable of producing a virtual tire slip sound in a driving situation in which tire slip may occur during vehicle driving. The method includes collecting vehicle driving information while a vehicle is traveling; determining a characteristic of a virtual tire slip sound based on the collected vehicle driving information; generating and outputting a tire slip signal for generating and outputting the virtual tire slip sound according to the determined characteristic; and operating sound equipment of the vehicle according to the tire slip signal output from the controller to generate and output the virtual tire slip sound according to a vehicle driving state.
    Type: Application
    Filed: August 25, 2021
    Publication date: June 30, 2022
    Inventors: Ki Chang Kim, Jin Sung Lee, Dong Chul Park, Tae Kun Yun, Sang Jin Hong
  • Publication number: 20220194410
    Abstract: A method of generating a virtual effect for an electric vehicle. The method includes collecting, by a controller, vehicle driving information for generating the virtual effect during driving of the electric vehicle; and determining, by the controller, a characteristic of the virtual effect based on the collected vehicle driving information. A virtual effect is generated by a virtual effect producing signal for producing the determined characteristic of the virtual effect; and operating, by the virtual effect producing signal generated by the controller, a vibration actuator placed in a seat of the electric vehicle. Accordingly the vibration actuator produces vibration according to the determined characteristic of the virtual effect and a driver or a passenger who is in the seat experiences the vibration.
    Type: Application
    Filed: July 20, 2021
    Publication date: June 23, 2022
    Inventors: Ki Chang Kim, Tae Kun Yun, Dong Chul Park
  • Publication number: 20220198890
    Abstract: An apparatus for generating a virtual effect of an electric vehicle includes: a driving information detector configured to detect vehicle driving information in the electric vehicle; a controller configured to determine a characteristic of the virtual effect based on the vehicle driving information detected by the driving information detector, and configured to generate a virtual effect producing signal for producing the determined characteristic of the virtual effect; and a vibration actuator provided in a seat of the electric vehicle such that when the vibration actuator operates, a driver or a passenger who is in the seat experiences vibration, the vibration actuator being controlled by the virtual effect producing signal generated by the controller, so as to produce the vibration according to the determined characteristic of the virtual effect.
    Type: Application
    Filed: July 20, 2021
    Publication date: June 23, 2022
    Inventors: Ki Chang Kim, Dong Chul Park, Tae Kun Yun, Sang Jin Hong
  • Publication number: 20220185179
    Abstract: A method of playing a virtual after-burn sound in an electric vehicle is provided. The method includes acquiring driver tendency information generated based on information of music played in a mobile phone and collecting driving variable information for playing a virtual sound during operation of the electric vehicle. Additionally, characteristics of a virtual after-burn sound are determined based on the collected driving variable information. The characteristics of the virtual after-burn sound are corrected according to the acquired driver tendency information. An after-burn signal is generated for playing the virtual after-burn sound based on information about the corrected characteristics of the virtual after-burn sound and operation of sound equipment is adjusted according to the created after-burn signal such that a virtual after-burn sound discriminated according to the driver tendency is played and output from the sound equipment.
    Type: Application
    Filed: March 30, 2021
    Publication date: June 16, 2022
    Inventors: Ki Chang Kim, Jin Sung Lee, Jeong Soo Eo, Dong Chul Park, Tae Kun Yun, Ji Won Oh
  • Publication number: 20220169174
    Abstract: A method of providing virtual sound in an electric vehicle, includes: collecting vehicle driving information for outputting the virtual sound; determining characteristics of the virtual sound based on the collected vehicle driving information; generating a virtual effect signal for outputting the virtual sound, based on the determined characteristics; generating a sound signal containing the characteristics, based on the virtual effect signal; collecting the generated sound signal to obtain a final sound signal corresponding to a vehicle rating selected according to setting information based on the preset vehicle rating and a sound correction algorithm; and outputting the virtual sound corresponding to the selected vehicle rating, according to the final sound signal.
    Type: Application
    Filed: August 11, 2021
    Publication date: June 2, 2022
    Inventors: Jin Sung Lee, Ki Chang Kim, Dong Chul Park
  • Publication number: 20220148589
    Abstract: An emotion adjustment system for determining a user's emotions based on a user's voice includes: a microphone configured to receive the user's voice; a controller configured to extract a plurality of sound quality factors in response to processing the user's voice, calculate a depression index of the user based on at least one sound quality factor among the plurality of sound quality factors, identify an emotional state of the user as a depressive state when the depression index is a preset value or more, determine the depressive state as a first state or a second state based on a correlation between at least two sound quality factors among the plurality of sound quality factors, and transmit a control command corresponding to the emotional state of the user identified as the first state or the second state; and a feedback device configured to perform an operation corresponding to the control command.
    Type: Application
    Filed: July 30, 2021
    Publication date: May 12, 2022
    Inventors: Ki Chang Kim, Dong Chul Park, Tae Kun Yun, Jin Sung Lee
  • Publication number: 20220135055
    Abstract: A vehicle includes a plurality of sensors mounted on a seat, an output device, and a controller. The controller is configured to obtain an acceleration in each of a first seat in contact with a driver's back and a second seat in contact with a driver's thigh through the plurality of sensors, to determine a specific frequency in each of the first seat and the second seat, to determine contact pressure information and load information of each of the first seat and the second seat through the plurality of sensors, to determine a human vibration sensitivity using at least one of the specific frequency, the contact pressure information, and the load information, to determine driver's emotional information including positive emotional information and arousal emotional information based on the human vibration sensitivity, and to control the output device according to the driver's emotional information.
    Type: Application
    Filed: July 28, 2021
    Publication date: May 5, 2022
    Inventors: Kichang Kim, Dong Chul Park, Taekun Yun, Jinsung Lee
  • Publication number: 20220089035
    Abstract: A method for implementing virtual internal combustion engine vibration in an electric vehicle includes collecting operation variable information for determining a torque instruction and implementing the virtual internal combustion engine vibration, determining a virtual internal combustion engine vibration characteristic based on the collected operation variable information, determining a vibration torque instruction having the determined virtual internal combustion engine vibration characteristic, correcting the vibration torque instruction by correcting the determined virtual internal combustion engine vibration characteristic of the vibration torque instruction and/or a value of the vibration torque instruction, based on a basic motor torque instruction determined by the collected operation variable information and preset backlash occurring area information, determining a final motor torque instruction using the basic motor torque instruction and the corrected vibration torque instruction.
    Type: Application
    Filed: February 19, 2021
    Publication date: March 24, 2022
    Inventors: Ji Won Oh, Dong Chul Park, Jeong Soo Eo, Tae Kun Yun
  • Publication number: 20220089085
    Abstract: An apparatus and method of realizing a virtual after-burn effect of a vehicle are provided. The method includes receiving vehicle driving information at a controller while the electric vehicle travels, determining, by the controller, characteristics of the virtual after-burn effect based on the input vehicle driving information, outputting, by the controller, a control signal for realizing the virtual after-burn effect based on the determined characteristics of the virtual after-burn effect, and controlling, by the controller, an operation of a realization device for realizing the virtual after-burn effect according to the control signal.
    Type: Application
    Filed: March 10, 2021
    Publication date: March 24, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Ji Won OH, Dong Chul PARK, Jeong Soo EO, Tae Kun YUN
  • Publication number: 20220089174
    Abstract: A method of virtualizing the characteristics of an internal-combustion-engine vehicle in an electric vehicle includes: receiving vehicle driving information of the electric vehicle at a controller, determining a current vehicle driving mode based on the input vehicle driving information by the controller, determining a virtual engine speed in the determined vehicle driving mode using the vehicle driving information by the controller, outputting a control signal for virtualizing characteristics of an internal-combustion-engine (ICE) driving system corresponding to a current vehicle driving mode based on the determined virtual engine speed by the controller, and virtualizing the characteristics of the ICE driving system corresponding to the current vehicle driving mode by controlling an operation of a virtualization device according to the output control signal by the controller.
    Type: Application
    Filed: February 23, 2021
    Publication date: March 24, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Ji Won Oh, Jong Kil Baek, Jin Sung Lee, Se Hoon Park, Jeong Soo Eo, Dong Chul Park, Tae Kun Yun, Dong Pil Yoon
  • Publication number: 20220084497
    Abstract: Apparatus and method of producing a virtual after-burn effect using a controller in an electric vehicle, may include receiving, by the controller, vehicle driving information during vehicle driving, determining, by the controller, virtual variable information in an internal combustion engine on the basis of the input vehicle driving information, determining, by the controller, a virtual after-burn effect characteristic on the basis of the virtual variable information in an internal combustion engine, outputting, by the controller, a control signal for producing the virtual after-burn effect on the basis of the virtual after-born effect characteristic information, and controlling, by the controller, an operation of an effect-production apparatus configured for producing the virtual after-burn effect on the basis of the control signal.
    Type: Application
    Filed: December 18, 2020
    Publication date: March 17, 2022
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Ji Won Oh, Dong Chul Park, Tae Kun Yun, Jeong Soo Eo
  • Publication number: 20220072960
    Abstract: A method of generating a virtual internal combustion engine vibration in an electric vehicle includes collecting driving variable information, determining a virtual internal combustion engine vibration characteristic on the basis of the collected driving variable information, determining a vibration torque command having the determined virtual engine vibration characteristic, determining a final motor torque command using a basic motor torque command determined from the collected driving variable information and the determined vibration torque command, and controlling the operation of a vehicle driving motor according to the determined final motor torque command.
    Type: Application
    Filed: February 9, 2021
    Publication date: March 10, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Ji Won OH, Dong Chul PARK, Jeong Soo EO, Tae Kun YUN
  • Publication number: 20200346199
    Abstract: The present disclosure is related to a method for preparing a gaseous- or liquid-nitridation treated core-shell catalyst and, more specifically, to a method for preparing a gaseous- or liquid-nitridation treated core-shell catalyst comprising steps of: nitridation-treating a transition metal precursor core and noble metal precursor shell particles in the presence of a gaseous nitrogen source; or forming a transition metal precursor core and noble metal precursor shell particles, by means of a liquid nitrogen source, and at the same time allowing the nitrogen source to bond with the transition metal precursor and thus allowing nitridation treatment. Therefore, the present disclosure allows a high nitrogen content in the core and thus enables a prepared catalyst to have excellent durability, a small average particle size and high degree of dispersion and uniformity, and thus to be suitable for the fuel cell field.
    Type: Application
    Filed: July 5, 2018
    Publication date: November 5, 2020
    Inventors: GU-gon PARK, Eun-jik LEE, Dong-chul PARK, Sung-dae YIM, Chang-soo KIM, Won-yong LEE, Tae-hyun YANG, Seok-hee PARK, Min-jin KIM, Young-jun SOHN, Byung-chan BAE, Seung-gon KIM, Dong-won SHIN, Hwan-yeong OH
  • Patent number: 10059260
    Abstract: A method for generating a virtual engine sound and a virtual engine sound generating system using the same involve determining a basic waveform of a virtual engine sound based on engine variables including an engine RPM, primarily correcting a basic level of the basic waveform based on environmental variables to determine a primarily corrected waveform, secondarily correcting the primarily corrected waveform based on reaction variables to determine a final waveform, and generating a virtual engine sound having the final waveform through a sound generation device.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: August 28, 2018
    Assignee: Hyundai Motor Company
    Inventors: Seong Hyeon Kim, Dong Chul Park, Eun Soo Jo, Ki Woong Jeong
  • Patent number: 9940921
    Abstract: A vehicle, a vehicle control method, and a vehicle driving sound control apparatus in which a user may freely generate a requested vehicle driving sound using a user terminal and generate an additional driving sound more similar to an actual vehicle driving sound by vibrating a structure of a vehicle using an exciter are provided. The vehicle includes a controller configured to receive vehicle driving sound parameters requested by a user from a user terminal and an exciter configured to vibrate a structure of a vehicle based on the vehicle driving sound parameters.
    Type: Grant
    Filed: December 6, 2014
    Date of Patent: April 10, 2018
    Assignee: Hyundai Motor Company
    Inventors: Dong Chul Park, Sang Il Lee, Dongwook Lee, Seonghyeon Kim