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).

  • Patent number: 11720321
    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: Grant
    Filed: January 14, 2022
    Date of Patent: August 8, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Kyoung-Jin Chang, Dong Chul Park, Jinsung Lee, Sangjin Hong
  • Publication number: 20230223039
    Abstract: An emotion modeling method for providing a vehicle sound with regard to an emotion of a user in a vehicle sound and an apparatus thereof are provided. The emotion modeling apparatus receives a sound by a user utterance, determines an emotional attribute based on the sound using an emotion analysis algorithm, derives an instrumental value of a sound concept by analyzing psychosocial consequences of the emotional attribute using an artificial neural network, and generates an emotional model based on the instrumental value of the sound concept.
    Type: Application
    Filed: August 3, 2022
    Publication date: July 13, 2023
    Inventors: Ki Chang Kim, Dong Chul Park, Myung Hwan Yun, Sung Ho Kim
  • Publication number: 20230191954
    Abstract: Disclosed are an apparatus and a method for controlling a vehicle seat so as to control a seat back and a neck pillow based on a sound. The apparatus includes the vehicle seat installed in a vehicle and including a seat back and a neck pillow, a detector for detecting vehicle information and seat information, and a processor connected to the vehicle seat and the detector, wherein the processor determines a vehicle state and a seat sitting posture based on the vehicle information and the seat information, analyzes a sound being reproduced in the vehicle, determines a haptic pattern and a haptic pressure based on the vehicle state and the seat sitting posture, and the analysis of the sound, and controls the seat back and the neck pillow based on the determined haptic pattern and haptic pressure to provide a haptic effect.
    Type: Application
    Filed: August 3, 2022
    Publication date: June 22, 2023
    Inventors: Ki Chang Kim, Tae Kun Yun, Dong Chul Park, Kyoung Jin Chang, Eun Soo Jo, Jin Sung Lee
  • Patent number: 11679683
    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: Grant
    Filed: February 19, 2021
    Date of Patent: June 20, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Ji Won Oh, Dong Chul Park, Jeong Soo Eo, Tae Kun Yun
  • Publication number: 20230186894
    Abstract: Disclosed is a sound design method for overcoming sense of difference when there is no virtual sound while an auto cruise control is activated. The method includes determining whether an accelerator pedal is actuated; upon determining that the accelerator pedal is not actuated, determining whether an auto cruise control system is operating; upon determining whether the auto cruise control system is operating, classifying a vehicle speed-based order component from a driving sound; and reproducing a speed sensitive virtual sound based on the classified vehicle speed-based order component.
    Type: Application
    Filed: August 16, 2022
    Publication date: June 15, 2023
    Inventors: Ki Chang Kim, Tae Kun Yun, Dong Chul Park, Eun Soo Jo, Jin Sung Lee
  • Publication number: 20230186781
    Abstract: A virtual driving simulation device and a method for improving a sensation of immersion therefore that may improve the sensation of immersion for a driving simulation in a virtual environment includes a microphone for measuring a 3D sound, and a processor that is configured to record the 3D sound through the microphone, analyze a sound realization influence by reproducing the recorded 3D sound through higher-order ambisonics (HOA) encoding and HOA decoding, and realize the sensation of immersion based on a result of analyzing the sound realization influence.
    Type: Application
    Filed: August 16, 2022
    Publication date: June 15, 2023
    Inventors: Ki Chang Kim, Dong Chul Park, Eun Soo Jo, Tae Kun Yun
  • Publication number: 20230186893
    Abstract: An apparatus and a method for controlling a vehicle sound are provided. The apparatus a detection device that detects driving information and drive mode setting information and a processing device electrically connected with the detection device. The processing device determines an emotional state of a driver based on at least one of the driving information or the drive mode setting information, determines a sound concept depending on the emotional state of the driver, and controls a vehicle sound depending on the sound concept.
    Type: Application
    Filed: May 25, 2022
    Publication date: June 15, 2023
    Inventors: Ki Chang Kim, Dong Chul Park, Myung Hwan Yun, Sung Ho Kim
  • Publication number: 20230185517
    Abstract: Embodiments of the present disclosure relate to a sensory experience providing apparatus for providing a sensory experience based on sound in a vehicle, and a method thereof. The controller is configured to receive a sound played in the vehicle, extract a sound feature from the received sound, generate sensory information based on the extracted sound feature, and provide a sensory experience based on the sensory information.
    Type: Application
    Filed: August 3, 2022
    Publication date: June 15, 2023
    Inventors: Ki Chang Kim, Dong Chul Park
  • Publication number: 20230172797
    Abstract: Disclosed are a flexible vibration cushion and a method of controlling the same. The flexible vibration cushion may include a cover member, a first soft filler material filled in the cover member; and a vibration generation device including components made of a soft material and disposed in the soft filler. The vibration generation device is configured to generate vibration as an electrostatic force is repeatedly generated and released. The vibration generation device may be applied in a vehicle part, e.g., headrest, thereby minimizing the foreign body sensation acting on the user’s skin while delivering soft and various senses of vibrations to the user.
    Type: Application
    Filed: October 11, 2022
    Publication date: June 8, 2023
    Inventors: Kyoung Jin Chang, Dong Chul Park, Ki Uk Kyung, Hyun Woo Kim, Ji Hyeong Ma, Jong Seok Nam, Min Ki Kim
  • Publication number: 20230146799
    Abstract: A sound generation apparatus for an electrification vehicle and a method of use thereof are provided. In example embodiments, the sound generation apparatus receives driving information, determines a driving situation based on the driving information, designs an acceleration sound when the driving situation is determined as an acceleration situation, or designs a cornering sound when the driving situation is determined as a cornering situation, and plays and outputs the acceleration sound or the cornering sound.
    Type: Application
    Filed: June 29, 2022
    Publication date: May 11, 2023
    Inventors: Ki Chang Kim, Tae Kun Yun, Dong Chul Park, Eun Soo Jo, Jin Sung Lee
  • Publication number: 20230147411
    Abstract: A device and a method for controlling a seat of a vehicle includes a detector for detecting vehicle environment information, a vibration generator mounted on the vehicle seat to generate the seat vibration, and a controller electrically connected to the detector and the vibration generator, and the controller detects seat environment information through the detector, determines a weight and a sitting posture of a user seated in the vehicle seat based on the seat environment information, determines a vibration pattern and a vibration excitation force based on the weight and the sitting posture of the user, and generates the seat vibration by controlling the vibration generator based on the determined vibration pattern and vibration excitation force.
    Type: Application
    Filed: July 11, 2022
    Publication date: May 11, 2023
    Inventors: Ki Chang Kim, Dong Chul Park, Tae Kun Yun, Sang Jin Hong
  • Patent number: 11631304
    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: Grant
    Filed: July 20, 2021
    Date of Patent: April 18, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Ki Chang Kim, Dong Chul Park, Tae Kun Yun, Sang Jin Hong
  • Patent number: 11628767
    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: Grant
    Filed: March 30, 2021
    Date of Patent: April 18, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Ki Chang Kim, Jin Sung Lee, Jeong Soo Eo, Dong Chul Park, Tae Kun Yun, Ji Won Oh
  • Publication number: 20230064483
    Abstract: An apparatus for generating a driving sound in a vehicle includes a first conversion device that receives first sound information and converts the received first sound information into second sound information, a second conversion device that converts the second sound information into third sound information based on a conversion parameter, a storage that receives feedback information of a user about the third sound information and corrects and stores the third sound information, and a playback device that plays the stored third sound information
    Type: Application
    Filed: May 16, 2022
    Publication date: March 2, 2023
    Inventors: Ki Chang Kim, Jin Sung Lee, Dong Chul Park, Eun Soo Jo, Sang Jin Hong
  • Patent number: 11565591
    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: Grant
    Filed: February 9, 2021
    Date of Patent: January 31, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Ji Won Oh, Dong Chul Park, Jeong Soo Eo, Tae Kun Yun
  • Publication number: 20230016272
    Abstract: A virtual sound provision apparatus for an electric vehicle includes a driving information detector configured to detect vehicle driving information for outputting a virtual driving sound, a microphone configured to detect an actual driving sound generated from the electric vehicle, a controller configured to determine a characteristic of a target sound based on an acceleration and deceleration driving pattern of a driver from an accelerator pedal input value and a brake pedal input value of the driver, and generating and outputting a sound control signal for outputting the virtual driving sound having the characteristic of the target sound based on the determined characteristic information of the target sound and characteristic information of the actual driving sound, and a sound device configured to output a virtual engine sound that simulates an engine sound from the electric vehicle at the time of acceleration and deceleration according to the sound control signal.
    Type: Application
    Filed: May 16, 2022
    Publication date: January 19, 2023
    Inventors: Ki Chang Kim, Jin Sung Lee, Ji Won Oh, Dong Chul Park, Kyoung Jin Chang, Tae Kun Yun, Jeong Soo Eo
  • Publication number: 20220400336
    Abstract: A vehicle includes a speed detecting device provided to detect a driving speed, a pressure detecting device provided to detect a pressure applied to a brake pedal, a power information obtaining device provided to obtain power information of a power device, and a sound reproducing apparatus provided to determine whether the vehicle is in a start state or a driving state according to driving speed information detected by the speed detecting device, pressure information detected by the pressure detecting device, and the power information, control reproduction of post-combustion noise when the processor concludes that the vehicle is in the start state, control reproduction of a slip sound in response to an acceleration command or a deceleration command when the vehicle is in the driving state, and control reproduction of an acceleration sound corresponding to an acceleration force when the vehicle is accelerating in the driving state.
    Type: Application
    Filed: February 24, 2022
    Publication date: December 15, 2022
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Kichang KIM, Taekun YUN, Dong Chul PARK, Eunsoo JO, Jinsung LEE
  • Publication number: 20220369059
    Abstract: An active sound design (ASD) tuning device and a method thereof may include an ASD device that generates a virtual engine sound for each vehicle situation and a control device that outputs a composite sound by correcting and synthesizing the virtual engine sound and an internal sound measured for each vehicle situation based on a binaural vehicle impulse response (BVIR).
    Type: Application
    Filed: September 8, 2021
    Publication date: November 17, 2022
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation
    Inventors: Ki Chang KIM, Dong Chul PARK, Eun Soo JO, Jin Sung LEE
  • 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