Patents by Inventor Ki-Chang Kim

Ki-Chang Kim 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: 11974115
    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: Grant
    Filed: September 8, 2021
    Date of Patent: April 30, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Ki Chang Kim, Dong Chul Park, Eun Soo Jo, Jin Sung Lee
  • Patent number: 11969028
    Abstract: A brassiere for radiation therapy is disclosed. The brassiere for radiation therapy according to an embodiment of the present disclosure includes a pair of cups configured to cover breasts of a patient; a coupling member positioned between the pair of cups and configured to couple the pair of cups to each other; back bands configured to be in close contact with a back of the patient; and side compression bands, the side compression bands having one ends coupled to the pair of cups at the coupling member, respectively, and the other ends detachably coupled to the back bands, respectively, wherein positions of the breasts of the patient are changed by adjusting positions on the back bands to which the other ends of side compression bands are coupled.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: April 30, 2024
    Assignee: Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Ki Chang Keum, Seung Kwon Ahn, Sam Ju Cho, Yong Bae Kim
  • Patent number: 11949865
    Abstract: An image encoding/decoding method using a pixel value range constituting an image is disclosed, wherein the image decoding method using a pixel value range constituting an image comprises the steps of: receiving a bitstream; acquiring information of a pixel value range forming a first unit image included in the received bitstream; and decoding the first unit image on the basis of the acquired information of the pixel value range. Therefore, compression efficiency can be improved in an image encoding or decoding process.
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: April 2, 2024
    Assignee: Industry-University Cooperation Foundation Hanyang University
    Inventors: Ki Baek Kim, Je Chang Jeong
  • Publication number: 20240107029
    Abstract: Disclosed is a decoding method which uses an intra-screen prediction. A decoding method which uses an intra prediction performed in a decoding apparatus comprises the steps of: receiving a bit stream; obtaining decoding information from the received bit stream; generating a prediction block for a current block to be decoded using the obtained decoding information; and restoring the current block by adding a residual block obtained from the bit stream and the prediction block. Accordingly, a compression ratio of an image can be improved.
    Type: Application
    Filed: October 5, 2023
    Publication date: March 28, 2024
    Applicant: Industry-University Cooperation Foundation Hanyang University
    Inventors: Je Chang JEONG, Ki Baek KIM
  • Publication number: 20240098275
    Abstract: A method for decoding an image based on an intra prediction, comprising: obtaining a first prediction pixel of a first region in a current block by using a neighboring pixel adjacent to the current block; obtaining a second prediction pixel of a second region in the current block by using the first prediction pixel of the first region; and decoding the current block based on the first and the second prediction pixels.
    Type: Application
    Filed: November 15, 2023
    Publication date: March 21, 2024
    Inventors: Je Chang JEONG, Ki Baek KIM, Won Jin LEE, Hye Jin SHIN, Jong Sang YOO, Jang Hyeok YUN, Kyung Jun LEE, Jae Hun KIM, Sang Gu LEE
  • Patent number: 11937421
    Abstract: Provided is a semiconductor memory device and method of fabricating the semiconductor memory device. A semiconductor memory device includes a gate stack and a plurality of channel structures. The gate stack includes a plurality of stacked conductive patterns spaced apart from each other. The plurality of the channel structures is formed through the gate stack. Each of the channel structures includes a first channel pillar, a second channel pillar and a gate insulation layer. The first channel pillar is formed through the conductive patterns except for an uppermost conductive pattern. The second channel pillar is formed through the uppermost conductive pattern. The second channel pillar is configured to make contact with the first channel pillar. The gate insulation layer is interposed between the uppermost conductive pattern and the first and second channel pillars.
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: March 19, 2024
    Assignee: SK hynix Inc.
    Inventors: Ki Chang Jeong, Nam Kuk Kim
  • Patent number: 11919446
    Abstract: An apparatus and a method for generating a sound of an electric vehicle are provided. The apparatus determines whether a current condition may be a regenerative braking condition, generates a regenerative braking sound based on an amount of change in motor torque in the regenerative braking condition, and outputs the generated regenerative braking sound.
    Type: Grant
    Filed: August 15, 2022
    Date of Patent: March 5, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Ki Chang Kim, Dong Chul Park
  • Patent number: 11904769
    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: Grant
    Filed: August 20, 2021
    Date of Patent: February 20, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Ki Chang Kim, Dong Chul Park, Eun Soo Jo, Jin Sung Lee
  • Patent number: 11893973
    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: Grant
    Filed: August 16, 2022
    Date of Patent: February 6, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Ki Chang Kim, Tae Kun Yun, Dong Chul Park, Eun Soo Jo, Jin Sung Lee
  • Publication number: 20240025302
    Abstract: Disclosed is a method for controlling a fuel cell of a fuel cell vehicle. The method comprises determining a reference output required for restarting or stopping power generation of a fuel cell according to a required output of a vehicle, correcting the reference output based on vehicle driving condition information comprising a vehicle altitude and coolant temperature and degree of degradation of the fuel cell, and restarting or stopping the power generation of the fuel cell based on the corrected reference output.
    Type: Application
    Filed: December 6, 2022
    Publication date: January 25, 2024
    Inventors: Seung Won Baik, Jong Bin Kang, Sang Beom Lee, Ki Chang Kim, Seung Min Song
  • Publication number: 20240008786
    Abstract: A multisensory index system and an operation method thereof are provided. The multisensory index system is configured to derive quantitative parameters and qualitative parameters associated with an auditory sense and a tactile sense, and generate a multisensory index by analyzing a correlation between the quantitative parameters and the qualitative parameters associated with the auditory sense and the tactile sense.
    Type: Application
    Filed: November 5, 2022
    Publication date: January 11, 2024
    Inventors: Ki Chang Kim, Dong Chul Park, Eun Ju Jeong, Ji Yeon Shin
  • Publication number: 20240009421
    Abstract: An emotional care apparatus based on a sound and a method thereof are provided. The emotional care apparatus includes a sound output device that outputs a sound to speakers and a processor electrically connected with the sound output device. The processor selects an emotional care mode, separates a sound source for each instrument from music content based on the emotional care mode, distributes the sound source for each instrument to the speakers, and controls the sound output device to play and output the sound source for each instrument to the distributed speakers.
    Type: Application
    Filed: November 5, 2022
    Publication date: January 11, 2024
    Inventors: Ki Chang Kim, Tae kun Yun, Eun Soo Jo, Dong Chul Park, Eun Ju Jeong, Ji Yeon Shin
  • Publication number: 20230402659
    Abstract: A battery control system and method of a fuel cell vehicle includes a battery, a fuel cell, and a controller. The battery provides driving energy of a vehicle. The fuel cell provides the driving energy of the vehicle or charging the battery. The controller estimates a degree of deterioration of the fuel cell, derive a change rate in an SOC value of the battery based on the degree of deterioration of the fuel cell, and change a charge control factor or a discharge control factor of the battery according to the derived change rate in the SOC value of the battery.
    Type: Application
    Filed: November 7, 2022
    Publication date: December 14, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Ki Chang KIM, Seung Won BAIK, Young Woo JUNG, Sang Hyun YOON
  • Publication number: 20230380408
    Abstract: Disclosed are an ultrasound generator, a pest extermination and repellent system using the ultrasound generator, and a method of controlling the ultrasound generator. The ultrasound generator may include a driving signal generator that generates a driving signal, a modulator that generates a modulated signal by modulating an amplitude of the driving signal, a first ultrasonic vibrator that generates a first ultrasonic signal of a first frequency based on the modulated signal, a second ultrasonic vibrator that generates a second ultrasonic signal of a second frequency based on the modulated signal, and a controller that adjusts an output timing of the modulated signal to output the first ultrasonic signal and the second ultrasonic signal at least once during a unit time period.
    Type: Application
    Filed: November 14, 2022
    Publication date: November 30, 2023
    Inventors: Ki Chang Kim, Dong Chul Park
  • Publication number: 20230380409
    Abstract: An ultrasonic generator and a method for repelling a mosquito in a vehicle using the same are provided.
    Type: Application
    Filed: November 16, 2022
    Publication date: November 30, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Ki Chang Kim, Dong Chul Park
  • Publication number: 20230331150
    Abstract: A virtual sound generation apparatus is provided. The virtual sound generation apparatus includes a first sensor configured to obtain biometric information about a passenger, an output device configured to output a virtual sound, and a processor electrically connected with the first sensor and the output device. The processor is configured to determine driving sensibility for the passenger based on electroencephalogram (EEG) obtained by the first sensor, generate an effect signal for guiding the passenger to be stimulated depending on the driving sensibility, and control the output of the virtual sound based on the effect signal.
    Type: Application
    Filed: September 19, 2022
    Publication date: October 19, 2023
    Inventors: Ki Chang Kim, Dong Chul Park
  • Patent number: 11772554
    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: Grant
    Filed: August 11, 2021
    Date of Patent: October 3, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Jin Sung Lee, Ki Chang Kim, Dong Chul Park
  • Publication number: 20230294662
    Abstract: An apparatus and a method for generating a virtual sound to generate the virtual sound depending on a driving condition of a vehicle are provided. The apparatus comprises a detection device configured to detect vehicle environment data, a sound output device configured to play and output a virtual sound, and a processing device connected with the detection device and the sound output device. The processing device is configured to generate the virtual sound using the vehicle environment data and a big data-based sound database in a zero to hundred condition and controls the sound output device to play the generated virtual sound.
    Type: Application
    Filed: September 13, 2022
    Publication date: September 21, 2023
    Inventors: Ki Chang Kim, Tae Kun Yun, Dong Chul Park, Eun Soo Jo, Jin Sung Lee
  • Publication number: 20230294601
    Abstract: An apparatus and a method for generating a sound of an electrification vehicle are provided. The apparatus comprises a detection device configured to detect state information of a vehicle, a sound output device configured to play and output a virtual sound, and a processing device connected with the detection device and the sound output device. The processing device configured to detect a cornering state of the vehicle based on state information of the vehicle, analyze a longitudinal force, a lateral force, a tire slip ratio, and a tire slip angle according to the cornering state, calculate a cornering force based on the analyzed results, calculate a contact force based on a tire ground surface and road surface profile based on big data, generate a tire slip sound based on the cornering force and the contact force, and control the sound output device to play the tire slip sound.
    Type: Application
    Filed: September 12, 2022
    Publication date: September 21, 2023
    Inventors: Ki Chang Kim, Dong Chul Park
  • Publication number: 20230278492
    Abstract: An apparatus and a method for generating a sound of an electric vehicle are provided. The apparatus determines whether a current condition may be a regenerative braking condition, generates a regenerative braking sound based on an amount of change in motor torque in the regenerative braking condition, and outputs the generated regenerative braking sound.
    Type: Application
    Filed: August 15, 2022
    Publication date: September 7, 2023
    Inventors: Ki Chang Kim, Dong Chul Park