Patents by Inventor Tae-Jin Lee

Tae-Jin 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).

  • Olefin-based copolymer and method for preparing the same
    Patent number: 12037426
    Abstract: The present invention relates to an olefin-based copolymer of which soluble fraction at a low temperature has a high weight average molecular weight, and which has high flowability and improved physical properties of hardness, flexural strength, tearing strength, etc., and a method for preparing the same.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: July 16, 2024
    Assignee: LG Chem, Ltd.
    Inventors: In Sung Park, Sang Eun Park, Eun Jung Lee, Hyun Jin Ju, Tae Su Kim, Choong Hoon Lee, Jin Sam Gong, Jung Ho Jun, Rae Keun Gwak
  • RENDERING METHOD OF PREVENTING OBJECT-BASED AUDIO FROM CLIPPING AND APPARATUS FOR PERFORMING THE SAME
    Publication number: 20240235511
    Abstract: A rendering method of an object-based audio signal and an apparatus for performing the same are provided. The rendering method of an object-based audio signal includes obtaining a rendered audio signal, performing clipping prevention on the rendered audio signal using a first limiter, mixing a signal output by the first limiter using a mixer, and performing clipping prevention on the mixed signal using a second limiter.
    Type: Application
    Filed: October 3, 2023
    Publication date: July 11, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju LEE, Jae-hyoun YOO, Dae Young JANG, Soo Young PARK, Young Ho JEONG, Kyeongok KANG, Tae Jin LEE
  • APPARATUS FOR ENCODING AND DECODING AUDIO SIGNALS AND METHOD OF OPERATION THEREOF
    Publication number: 20240233738
    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 25, 2023
    Publication date: July 11, 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
  • UNIFIED SPEECH/AUDIO CODEC (USAC) PROCESSING WINDOWS SEQUENCE BASED MODE SWITCHING
    Publication number: 20240212698
    Abstract: A Unified Speech and Audio Codec (USAC) that may process a window sequence based on mode switching is provided. The USAC may perform encoding or decoding by overlapping between frames based on a folding point when mode switching occurs. The USAC may process different window sequences for each situation to perform encoding or decoding, and thereby may improve a coding efficiency.
    Type: Application
    Filed: January 30, 2024
    Publication date: June 27, 2024
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
    Inventors: Seungkwon BEACK, Tae Jin LEE, Min Je KIM, Kyeongok KANG, Dae Young JANG, Jeongil SEO, Jin Woo HONG, Chieteuk AHN, Ho Chong PARK, Young-cheol PARK
  • Method and apparatus for label encoding in polyphonic sound event intervals
    Patent number: 12020715
    Abstract: Disclosed is a method and apparatus for label encoding in a multi-sound event interval. The method includes identifying an event interval in which a plurality of sound events occurs in a sound signal, separating a sound source into sound event signals corresponding to each sound event by performing sound source separation on the event interval, determining energy information for each of the sound event signals, and performing label encoding based on the energy information.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: June 25, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Young Ho Jeong, Soo Young Park, Tae Jin Lee
  • Additive, electrolyte for rechargeable lithium battery, and rechargeable lithium battery
    Patent number: 12015120
    Abstract: An additive, an electrolyte for a rechargeable lithium battery, and a rechargeable lithium battery, the additive being represented by Chemical Formula 1:
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: June 18, 2024
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Hyunbong Choi, Younghye Kang, Dongyoung Kim, Soojin Kim, Aeran Kim, Suyeol Ryu, Jeongmin Shin, Junyong Lee, Tae Jin Lee, Jin-Hyeok Lim, Myunghwan Jeong, Wonseok Cho, Pavel Shatunov, Jungmin Han
  • Training and learning model for recognizing acoustic signal
    Patent number: 12015421
    Abstract: Disclosed are a training method for a learning model for recognizing an acoustic signal, a method of recognizing an acoustic signal using the learning model, and devices for performing the methods. The method of recognizing an acoustic signal using a learning model includes identifying an acoustic signal including an acoustic event or acoustic scene, determining an acoustic feature of the acoustic signal, dividing the determined acoustic feature for each of a plurality of frequency band intervals, and determining the acoustic event or acoustic scene included in the acoustic signal by inputting the divided acoustic features to a trained learning model.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: June 18, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Young Ho Jeong, Soo Young Park, Tae Jin Lee
  • COMPOUND FOR CAPPING LAYER AND ORGANIC LIGHT EMITTING DEVICE INCLUDING SAME
    Publication number: 20240164138
    Abstract: A novel compound for a capping layer, and an organic light-emitting device containing the same are disclosed.
    Type: Application
    Filed: December 29, 2023
    Publication date: May 16, 2024
    Inventors: Ho Wan HAM, Hyun Cheol AN, Hee Joo KIM, Dong Jun KIM, Ja Eun ANN, Dong Yuel KWON, Sung Kyu LEE, Tae Jin LEE, Bo Ra LEE, Yeong Rong PARK, Il Soo OH, Dae Woong LEE, Hyeon Jeong IM, Ill Hun CHO
  • ELECTROLYTE FOR SECONDARY LITHIUM BATTERY AND SECONDARY LITHIUM BATTERY COMPRISING SAME
    Publication number: 20240162489
    Abstract: Provided is an electrolyte for a secondary lithium battery, comprising a non-aqueous organic solvent, a lithium salt, and an additive, the additive including a compound represented by Chemical Formula 1. The details of Chemical Formula 1 are as described in the specification.
    Type: Application
    Filed: September 24, 2020
    Publication date: May 16, 2024
    Inventors: Tae Jin LEE, Soojin KIM, Suyeol RYU, Kyu-Eun SHIM, Junyong LEE, Wonseok CHO, Hyunbong CHOI, Jungmin HAN
  • METHOD AND APPARATUS FOR ENCODING AND DECODING AUDIO SIGNAL USING COMPLEX POLAR QUANTIZER
    Publication number: 20240153513
    Abstract: A complex number quantization-based audio signal encoding method may comprise: estimating a scale factor for each subband of an input audio signal; performing complex magnitude scaling for each subband based on the scale factor; and performing polar quantization on a complex frequency coefficient for each subband, wherein the performing the polar quantization for each subband comprises applying two or more different magnitude quantization techniques based on the magnitude of the complex frequency coefficient scaled for each subband.
    Type: Application
    Filed: November 6, 2023
    Publication date: May 9, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Byeong Ho CHO, Seung Kwon BEACK, Jong Mo SUNG, Tae Jin LEE, Woo Taek LIM, In Seon JANG
  • Method of generating residual signal, and encoder and decoder performing the method
    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
  • AUDIO SIGNAL ENCODING/DECODING METHOD AND APPARATUS FOR PERFORMING THE SAME
    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
  • ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20240147845
    Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.
    Type: Application
    Filed: December 6, 2023
    Publication date: May 2, 2024
    Inventors: Kyoung-Jin PARK, Tae-Jin LEE, Jae-Hoon SHIM, Yoo Jin DOH, Hee-Choon AHN, Young-Kwang KIM, Doo-Hyeon MOON, Jeong-Eun YANG, Su-Hyun LEE, Chi-Sik KIM, Ji-Song JUN
  • RANDOM ACCESS METHOD CONSIDERING A COVERAGE LEVEL, SUBCARRIER SPACING CONFIGURATION AND/OR MULTI-TONE CONFIGURATION IN INTERNET OF THINGS ENVIRONMENT
    Publication number: 20240147549
    Abstract: Provided is random access method, performed by terminal for uplink data transmission during random access process between cellular based machine communication terminal and base station. The method includes performing random access process between cellular based machine communication terminal and base station, and the random access process includes selecting random access resource by considering coverage level and whether to support multi-tone transmission or not.
    Type: Application
    Filed: January 5, 2024
    Publication date: May 2, 2024
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Tae-Jin LEE, Yunmin KIM
  • RENDERING METHOD OF PREVENTING OBJECT-BASED AUDIO FROM CLIPPING AND APPARATUS FOR PERFORMING THE SAME
    Publication number: 20240136993
    Abstract: A rendering method of an object-based audio signal and an apparatus for performing the same are provided. The rendering method of an object-based audio signal includes obtaining a rendered audio signal, performing clipping prevention on the rendered audio signal using a first limiter, mixing a signal output by the first limiter using a mixer, and performing clipping prevention on the mixed signal using a second limiter.
    Type: Application
    Filed: October 2, 2023
    Publication date: April 25, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju LEE, Jae-hyoun YOO, Dae Young JANG, Soo Young PARK, Young Ho JEONG, Kyeongok KANG, Tae Jin LEE
  • APPARATUS FOR ENCODING AND DECODING AUDIO SIGNALS AND METHOD OF OPERATION THEREOF
    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
  • ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME
    Publication number: 20240128507
    Abstract: Provided are an electrolyte for a rechargeable lithium battery including a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive is a composition including a first compound and a second compound, the first compound is a cesium salt compound, and the second compound represented by Chemical Formula 1, and a rechargeable lithium battery including the same. Details of Chemical Formula 1 are as described in the specification.
    Type: Application
    Filed: March 30, 2022
    Publication date: April 18, 2024
    Inventors: Sanghyung KIM, Tae Jin LEE, Minseo KIM, Myungheui WOO, Hyejin PARK, Sanghoon KIM, Dahyun KIM, Bokyung RYU
  • ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME
    Publication number: 20240128508
    Abstract: Provided are an electrolyte for a rechargeable lithium battery including a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive is a composition including a first compound and a second compound, the first compound is a cesium salt compound, and the second compound includes a second compound represented by Chemical Formula 1A or Chemical Formula 1B, and a rechargeable lithium battery including the same. Details of the above Chemical Formula 1A and Chemical Formula 1B are as described in the specification.
    Type: Application
    Filed: March 30, 2022
    Publication date: April 18, 2024
    Inventors: Minseo KIM, Tae Jin LEE, Myungheui WOO, Dahyun KIM
  • METHOD OF RENDERING OBJECT-BASED AUDIO AND ELECTRONIC DEVICE PERFORMING THE METHOD
    Publication number: 20240129682
    Abstract: A method of rendering object-based audio and an electronic device performing the method are provided. The method includes identifying a bitstream, determining a reference distance of an object sound source based on the bitstream, determining a minimum distance for applying distance-dependent attenuation, based on the reference distance, and determining a gain of object-based audio included in the bitstream based on the reference distance and the minimum distance.
    Type: Application
    Filed: October 10, 2023
    Publication date: April 18, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju LEE, Jae-hyoun YOO, Dae Young JANG, Soo Young PARK, Young Ho JEONG, Kyeongok KANG, Tae Jin LEE
  • APPARATUS FOR ENCODING AND DECODING OF INTEGRATED SPEECH AND AUDIO
    Publication number: 20240119948
    Abstract: Provided is an encoding apparatus for integrally encoding and decoding a speech signal and a audio signal, and may include: an input signal analyzer to analyze a characteristic of an input signal; a stereo encoder to down mix the input signal to a mono signal when the input signal is a stereo signal, and to extract stereo sound image information; a frequency band expander to expand a frequency band of the input signal; a sampling rate converter to convert a sampling rate; a speech signal encoder to encode the input signal using a speech encoding module when the input signal is a speech characteristics signal; a audio signal encoder to encode the input signal using a audio encoding module when the input signal is a audio characteristic signal; and a bitstream generator to generate a bitstream.
    Type: Application
    Filed: June 21, 2023
    Publication date: April 11, 2024
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Kwangwoon University Industry-Academic Collaboration Foundation
    Inventors: Tae Jin LEE, Seung-Kwon BAEK, Min Je KIM, Dae Young JANG, Jeongil SEO, Kyeongok KANG, Jin-Woo HONG, Hochong PARK, Young-Cheol PARK