Patents by Inventor Woo-Sung Lee

Woo-Sung 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).

  • Patent number: 11978465
    Abstract: A method of generating a residual signal performed by an encoder includes identifying an input signal including an audio sample, generating a first residual signal from the input signal using linear predictive coding (LPC), generating a second residual signal having a less information amount than the first residual signal by transforming the first residual signal, transforming the second residual signal into a frequency domain, and generating a third residual signal having a less information amount than the second residual signal from the transformed second residual signal using frequency-domain prediction (FDP) coding.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: May 7, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seung Kwon Beack, Jongmo Sung, Tae Jin Lee, Woo-taek Lim, Inseon Jang
  • Publication number: 20240144943
    Abstract: An audio signal encoding/decoding method and an apparatus for performing the same are disclosed. The audio signal encoding method includes obtaining a full-band input signal, extracting a first feature vector corresponding to a first sub-band signal and a second feature vector corresponding to a second sub-band signal using an encoder neural network including a plurality of encoding layers, generating a first code vector corresponding to the first feature vector and a second code vector corresponding to the second feature vector by compressing the first feature vector and the second feature vector, and generating a bitstream by quantizing the first code vector and the second code vector.
    Type: Application
    Filed: September 25, 2023
    Publication date: May 2, 2024
    Applicants: Electronics and Telecommunications Research Institute, The Trustees of Indiana University
    Inventors: Woo-taek LIM, Seung Kwon BEACK, Inseon JANG, Jongmo SUNG, Tae Jin LEE, Byeongho CHO, Minje KIM, Darius Petermann
  • Publication number: 20240132357
    Abstract: An embodiment of the present specification provides a method for preparing a catalyst for preparing a carbon nanotube, comprising: (a) dissolving a main catalyst precursor, a support precursor, a cocatalyst precursor and a precipitation inhibitor in a solvent to prepare a precursor solution; and (b) pyrolyzing the precursor solution by spraying the precursor solution into a reactor, wherein a mole fraction of the precipitation inhibitor to the cocatalyst precursor is 0.1 to 1.5.
    Type: Application
    Filed: October 19, 2023
    Publication date: April 25, 2024
    Applicant: KOREA KUMHO PETROCHEMICAL CO., LTD.
    Inventors: Myung Hoon JEONG, Hyun Tae KIM, Sang Hyo RYU, Chung Heon JEONG, Wan Sung LEE, Woo Ram JUNG, Chang Gu KANG
  • Publication number: 20240135941
    Abstract: Provided is an encoding apparatus including a memory configured to store instructions and a processor electrically connected to the memory and configured to execute the instructions, wherein the processor may be configured to perform a plurality of operations, when the instructions are executed by the processor, wherein the plurality of operations may include obtaining an input audio signal, generating an embedded audio signal by embedding signal components of a second frequency band of the input audio signal in a first frequency band of the input audio signal, generating additional information associated with the first frequency band and the second frequency band, generating an encoded audio signal by encoding the embedded audio signal, and formatting the encoded audio signal and the additional information into a bitstream.
    Type: Application
    Filed: July 24, 2023
    Publication date: April 25, 2024
    Applicants: Electronics and Telecommunications Research Institute, Gwangju Institute of Science and Technology
    Inventors: Inseon JANG, Seung Kwon BEACK, Tae Jin LEE, Jongmo SUNG, Woo-taek LIM, Byeongho CHO, Jongwon SHIN
  • Patent number: 11962001
    Abstract: Disclosed is a positive electrode material for a lithium secondary battery. The positive electrode material includes a positive electrode active material formed of Li—[Mn—Ti]-M-O-based material including a transition metal (M) to enable reversible intercalation and deintercalation of lithium and molybdenum oxide. The positive electrode active material is coated with the molybdenum oxide to form a coating layer on a surface thereof.
    Type: Grant
    Filed: October 6, 2021
    Date of Patent: April 16, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, Industry Academy Cooperation Foundation of Sejong University
    Inventors: Seung Min Oh, Jun Ki Rhee, Yoon Sung Lee, Ji Eun Lee, Sung Ho Ban, Ko Eun Kim, Woo Young Jin, Sang Mok Park, Sang Hun Lee, Seung Taek Myung, Hee Jae Kim, Min Young Shin
  • Publication number: 20240087577
    Abstract: Disclosed is an apparatus and method for audio encoding/decoding that is robust against coding distortion in a transition section. An audio encoding method includes outputting a frequency domain signal by time-to-frequency (T/F) transform of an input signal, outputting a frequency domain residual signal in which a frequency axis envelope is removed from the frequency domain signal by applying frequency domain noise shaping (FDNS) encoding to the frequency domain signal, outputting a time domain residual signal in which a time axis envelope is removed by performing linear prediction coefficient (LPC) analysis based on the frequency domain residual signal, and quantizing and transmitting the time domain residual signal.
    Type: Application
    Filed: July 2, 2021
    Publication date: March 14, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seung Kwon BEACK, Jongmo SUNG, Mi Suk LEE, Tae Jin LEE, Woo-taek LIM, Inseon JANG
  • Publication number: 20240079641
    Abstract: Disclosed are a solid electrolyte and method of manufacturing the same. The solid electrolyte may include a core including a first electrolyte represented by Chemical Formula 1, and a shell including a second electrolyte represented by Chemical Formula 2, and disposed on a surface of the core. LiaPSbX1c??[Chemical Formula 1] Here, a satisfies an equation 4?a?7, b satisfies an equation 3?b?7, c satisfies an equation 0?c?2, and X1 includes Br or I. LidPSeX2f??[Chemical Formula 2] Here, d satisfies an equation 4?d?7, e satisfies an equation 3?e?7, f satisfies an equation 0?f?2, X2 includes Cl or Br, and an ionic radius of X1 is greater than an ionic radius of X2.
    Type: Application
    Filed: June 29, 2023
    Publication date: March 7, 2024
    Inventors: Sang Soo Lee, So Young Kim, Sang Heon Lee, Hong Seok Min, In Woo Song, Wo Dum Jung, Woo Seop Song, Young Sung Lee, So Young Yoon, Yung Sup Youn, Se Man Kwon
  • Patent number: 11919351
    Abstract: A vehicle height control apparatus includes an information acquisition device that acquires pressure data on a pressure inside an air tank storing compressed air and obstacle data on an obstacle in front of a vehicle, and a controller that calculates a target vehicle height based on the obstacle data, calculates a required distance required to reach the target vehicle height based on the pressure of the compressed air inside the air tank, and determines a vehicle height control timing, resolving a problem that the vehicle height is unnecessarily quickly controlled compared to the position of the obstacle, or is controlled after the vehicle passes through the obstacle to reduce the ride comfort.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: March 5, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Jae Hyung Park, Woo Sung Lee, Eun Woo Na
  • Publication number: 20240071907
    Abstract: A semiconductor device includes first and second substrates connected to each other. The second substrate includes a plate layer having first and second faces. Gate electrode layers are disposed on the first face of the plate layer. Channel structures extend through the gate electrode layers. Word-line cutting structures extend through the gate electrode layers and are spaced apart from each other. Via structures are disposed on the second face of the plate layer. Via connecting structures are disposed on the top face of the via structures. A width of the bottom face of each of the via structures is greater than a width of the top face of each of the via structures. A width of the bottom face of each of the via connecting structures is less than a width of the top face of each of the via connecting structures.
    Type: Application
    Filed: May 16, 2023
    Publication date: February 29, 2024
    Inventors: Ah Reum LEE, Woo Sung YANG, Ji Mo GU, Jao Ho KIM, Suk Kang SUNG
  • Patent number: 11758267
    Abstract: A device and a method are provided for controlling an image of a vehicle for an image of a vehicle camera that does not have a built-in image signal processor (ISP). A communication device receives information on an operation mode of the vehicle from a vehicle system and a camera device that does not have a built-in ISP obtains an image of a surrounding region of the vehicle, and transmits the image of the surrounding region to a first image controller. The first image controller having a first ISP for performing image processing shares the image of the surrounding region with a second image controller having a second ISP for performing image processing. The first image controller and the second image controller alternatively have a control right for the camera device depending on the operation mode of the vehicle.
    Type: Grant
    Filed: May 11, 2022
    Date of Patent: September 12, 2023
    Assignees: Hyundai Motor Company, Kia Corporation, Yura Corporation Co., Ltd., Hyundai Mobis Co., Ltd.
    Inventors: Dong Hyuk Jeong, Moon Hyun Seo, Gyun Ha Kim, Woo Sung Lee, Tae Ryong Kang
  • Patent number: 11697380
    Abstract: A system for displaying vehicle driving information may include: first and second image acquisition devices configured to capture an image of a first side on which a driver seat is located and an image of a second side which is the opposite side of the first side, respectively; first and second display devices configured to display the captured images of the first and second image acquisition devices, respectively; first and second BSD devices and configured to sense side-rear vehicle information; and a control device configured to recognize the location and vehicle distance of the side-rear vehicle by analyzing the side-rear vehicle information detected by the first and second BSD devices, determine whether to issue a BSD warning, and control BSD warning icons of the ego vehicle and the side-rear vehicle to be displayed as an OSD of the images displayed on the first and second display devices.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: July 11, 2023
    Assignee: HYUNDAI MOBIS Co., Ltd.
    Inventors: Woo Sung Lee, Geon Pyo Kim, Hyun Ho Park, Kwang Ho Jung, Yong Jun Seo, Ki Hun Bang
  • Publication number: 20230026986
    Abstract: A device and a method are provided for controlling an image of a vehicle for an image of a vehicle camera that does not have a built-in image signal processor (ISP). A communication device receives information on an operation mode of the vehicle from a vehicle system and a camera device that does not have a built-in ISP obtains an image of a surrounding region of the vehicle, and transmits the image of the surrounding region to a first image controller. The first image controller having a first ISP for performing image processing shares the image of the surrounding region with a second image controller having a second ISP for performing image processing. The first image controller and the second image controller alternatively have a control right for the camera device depending on the operation mode of the vehicle.
    Type: Application
    Filed: May 11, 2022
    Publication date: January 26, 2023
    Inventors: Dong Hyuk Jeong, Moon Hyun Seo, Gyun Ha Kim, Woo Sung Lee, Tae Ryong Kang
  • Publication number: 20220408061
    Abstract: A vehicle image control apparatus for an image of a vehicle camera equipped with no image signal processor (ISP) and a method thereof, includes a first image controller equipped with a first ISP that performs image processing, supplies power to a camera device provided in a vehicle and equipped with no ISP, and the camera device obtains a surrounding image of the vehicle and transmits the surrounding image to the first image controller. The first image controller selectively shares the surrounding image with a second image controller equipped with a second ISP that performs image processing. Accordingly, it is possible to implement an efficient vehicle image-related system such that a plurality of controllers share one or more cameras equipped with no ISP.
    Type: Application
    Filed: May 9, 2022
    Publication date: December 22, 2022
    Applicants: Hyundai Motor Company, Kia Corporation, Yura Corporation Co, LTD., Hyundai Mobis Co, Ltd.
    Inventors: Dong Hyuk JEONG, Moon Hyun SEO, Gyun Ha KIM, Woo Sung LEE, Jae Rim KIM
  • Patent number: 11521987
    Abstract: A vertical memory device may include a channel connecting pattern on a substrate, gate electrodes spaced apart from each other in a first direction on the channel connecting pattern, and a channel extending in the first direction through the gate electrodes and the channel connecting pattern. Each of the electrodes may extend in a second direction substantially parallel to an upper surface of the substrate, and the first direction may be substantially perpendicular to the upper surface of the substrate. An end portion of the channel connecting pattern in a third direction substantially parallel to the upper surface of the substrate and substantially perpendicular to the second direction may have an upper surface higher than an upper surface of other portions of the channel connecting pattern except for a portion thereof adjacent the channel.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: December 6, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-Hoon Choi, Sung-Gil Kim, Jung-Hwan Kim, Chan-Hyoung Kim, Woo-Sung Lee
  • Patent number: 11420635
    Abstract: A device for controlling traveling of a vehicle is provided. The device includes a sensor that obtains vehicle traveling information, a navigation that obtains vehicle position information, and a controller that determines whether the vehicle has entered a building based on the vehicle traveling information and the vehicle position information. The controller calculates a traveling control amount based on the determination result. Accordingly, the device actively adjusts a vehicle height even when the vehicle enters the building and travels on a slope in the building preventing damage to a lower portion of the vehicle.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: August 23, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jae Hyung Park, Woo Sung Lee, Eun Woo Na
  • Patent number: 11312204
    Abstract: An apparatus and method for controlling an air suspension of a vehicle are disclosed. The apparatus includes a compressor configured to supply compressed air, a reservoir configured to store compressed air supplied from the compressor and to supply the stored compressed air to the air suspension during vehicle height control, a road information provider configured to provide road state information of a road in front of the vehicle during travel of the vehicle, and a controller configured to determine a vehicle height control position of the air suspension based on the road state information and to operate the compressor before the vehicle arrives at the determined vehicle height control position, thereby filling the reservoir with the compressed air such that an internal pressure of the reservoir reaches at least a predetermined reference pressure.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: April 26, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Woo Sung Lee, Eun Woo Na, Jae Hyung Park
  • Publication number: 20210387496
    Abstract: A vehicle height control apparatus includes an information acquisition device that acquires pressure data on a pressure inside an air tank storing compressed air and obstacle data on an obstacle in front of a vehicle, and a controller that calculates a target vehicle height based on the obstacle data, calculates a required distance required to reach the target vehicle height based on the pressure of the compressed air inside the air tank, and determines a vehicle height control timing, resolving a problem that the vehicle height is unnecessarily quickly controlled compared to the position of the obstacle, or is controlled after the vehicle passes through the obstacle to reduce the ride comfort.
    Type: Application
    Filed: September 11, 2020
    Publication date: December 16, 2021
    Inventors: Jae Hyung PARK, Woo Sung LEE, Eun Woo NA
  • Publication number: 20210347221
    Abstract: An apparatus for controlling a suspension of a vehicle includes: the electronically controlled suspension arranged between wheels and a vehicle body and configured to increase or decrease a contact force between a tire of the vehicle and a road surface; and a controller that adjusts a height of the vehicle depending on a type of road when it rains and adjusts an operating time of the suspension based on a lateral acceleration of the vehicle.
    Type: Application
    Filed: September 10, 2020
    Publication date: November 11, 2021
    Inventors: Jae Hyung PARK, Woo Sung LEE, Eun Woo NA
  • Publication number: 20210217771
    Abstract: A vertical memory device may include a channel connecting pattern on a substrate, gate electrodes spaced apart from each other in a first direction on the channel connecting pattern, and a channel extending in the first direction through the gate electrodes and the channel connecting pattern. Each of the electrodes may extend in a second direction substantially parallel to an upper surface of the substrate, and the first direction may be substantially perpendicular to the upper surface of the substrate. An end portion of the channel connecting pattern in a third direction substantially parallel to the upper surface of the substrate and substantially perpendicular to the second direction may have an upper surface higher than an upper surface of other portions of the channel connecting pattern except for a portion thereof adjacent the channel.
    Type: Application
    Filed: March 9, 2021
    Publication date: July 15, 2021
    Inventors: Ji-Hoon CHOI, Sung-Gil KIM, Jung-Hwan KIM, Chan-Hyoung KIM, Woo-Sung LEE
  • Patent number: 11056403
    Abstract: Embodiments provide a method of analyzing a shape of a wafer, including: measuring a cross-sectional shape of a plurality of wafers; obtaining a first angle formed by a first line connecting a first point to a second point having a maximum curvature in an edge region of the wafer and a front surface of the wafer; forming a thin film layer on a surface of each of the wafers; measuring a thickness profile of an edge region of the wafer on which each of the thin film layers is formed; and confirming a wafer having a smallest maximum thickness profile of the thin film layer among the plurality of wafers.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: July 6, 2021
    Assignee: SK SILTRON CO., LTD.
    Inventors: Woo Sung Lee, Eung Ju Lee