Patents by Inventor In-Taek Lim

In-Taek Lim 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).

  • Apparatus and method for augmenting training data using notch filter
    Patent number: 11657325
    Abstract: Disclosed is an apparatus and method for augmenting training data using a notch filter. The method may include obtaining original data, and obtaining training data having a modified frequency component from the original data by filtering the original data using a filter configured to remove a component of a predetermined frequency band.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: May 23, 2023
    Assignees: Electronics and Telecommunications Research Institute, Kyungpook National University Industry-Academic Cooperation Foundation
    Inventors: Young Ho Jeong, Soo Young Park, Sang Won Suh, Woo-Taek Lim, Minhan Kim, Seokjin Lee
  • Methods of encoding and decoding audio signal, and encoder and decoder for performing the methods
    Patent number: 11651778
    Abstract: Disclosed are methods of encoding and decoding an audio signal, and an encoder and a decoder for performing the methods. The method of encoding an audio signal includes identifying an input signal corresponding to a low frequency band of the audio signal, windowing the input signal, generating a first latent vector by inputting the windowed input signal to a first encoding model, transforming the windowed input signal into a frequency domain, generating a second latent vector by inputting the transformed input signal to a second encoding model, generating a final latent vector by combining the first latent vector and the second latent vector, and generating a bitstream corresponding to the final latent vector.
    Type: Grant
    Filed: November 8, 2021
    Date of Patent: May 16, 2023
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Woo-taek Lim, Seung Kwon Beack, Jongmo Sung, Tae Jin Lee, Inseon Jang, Jong-Won Seok, Yunsu Kim
  • METHOD AND SYSTEM FOR OPTIMIZING PARAMETER INTERVALS OF MANUFACTURING PROCESSES BASED ON PREDICTION INTERVALS
    Publication number: 20230140696
    Abstract: Provided is a method of optimizing parameter intervals of manufacturing processes based on prediction intervals. The method includes: collecting process data by applying an experiment design method to a target process; training a second-order polynomial regression model based on the collected process data; estimating importance values of each input variable with respect to each output variable using the second-order polynomial regression model; defining an objective function for process optimization based on the second-order polynomial regression model; optimizing each parameter value by applying an optimization algorithm to the defined objective function; and optimizing each parameter interval including the optimized parameter value in an input space using the prediction interval of the second-order polynomial regression model.
    Type: Application
    Filed: September 2, 2022
    Publication date: May 4, 2023
    Inventors: Jung Won YU, Jin Hong KIM, Young Jae LEE, Kil Taek LIM
  • Connector assembly
    Patent number: 11626691
    Abstract: A connector assembly comprises a first connector including a first connector body, and a shaft connected to the first connector body. A lever is rotatably connected to the shaft and is selectively fixable to the first connector body in a caught state. A second connector of the assembly includes a second connector body insertable into the first connector body, a releasing element defined on the second connector body for releasing the lever from the caught state, and a biasing element defined on the second connector body for rotating the lever after being released from the caught state.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: April 11, 2023
    Assignee: Tyco Electronics AMP Korea Co., Ltd.
    Inventors: Keun Taek Lim, Ki Ho Choi
  • Supercharger for vehicle and method of controlling same
    Patent number: 11619163
    Abstract: A supercharger for a vehicle includes: a first compression part to compress outside air; a second compression part to compress the outside air independently of the first compression part; a first valve module to selectively switch a path of the air compressed by the first compression part to a power source of the vehicle or the second compression part and to selectively guide or shut off the air compressed by the second compression part to the power source; and a second valve module to selectively shut off a flow of the air compressed by the first compression part into the second compression part or a flow of the outside air into the second compression part.
    Type: Grant
    Filed: June 8, 2022
    Date of Patent: April 4, 2023
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventor: Seung Taek Lim
  • Compressor
    Patent number: 11598338
    Abstract: A compressor including a shaft, a flange to support shaft, and a muffler to reduce noise generated in a compression chamber of the compressor. The flange including a plurality of noise reductions units each of which is formed to have a different volume and at least a portion of the noise reduction unit is covered by the muffler.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: March 7, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho Choi, Hooi Joong Kim, Hong Taek Lim
  • Non-Electric Water Purifier
    Publication number: 20230068681
    Abstract: Proposed is a non-electric water purifier in which a flow path provided between a water-purifying filter and a water outlet cock is replaced in order to minimize contamination of purified drinking water. The non-electric water purifier includes a main body having a door formed on one side thereof so as to open and close the main body and having and having a receiving space part defined therein, a connector which is coupled replaceably and rotatably to one side of the main body and incudes a raw water passage connected to a raw water inlet and a purified water passage through which purified water flows, at least one filter housing being received in the receiving space part, with a discharge outlet of the filter housing being coupled detachably to the connector, and the water outlet cock which is connected to a discharge opening of the connector and discharges purified water.
    Type: Application
    Filed: May 15, 2020
    Publication date: March 2, 2023
    Inventors: Jong Ho Kong, Hyun Sup Shin, Sung Taek Lim
  • ELECTRIC VEHICLE STRUCTURE
    Publication number: 20230055401
    Abstract: An electric vehicle structure includes a drive system, a front lateral member and a rear upper lateral member. The front and rear lateral members are elongated in a lateral direction of a vehicle and spaced apart from each other in a forward-rearward direction of the vehicle with the drive system interposed therebetween. The vehicle structure further includes a rear lower lateral member elongated in the lateral direction of the vehicle and disposed beneath a motor of the drive system.
    Type: Application
    Filed: July 8, 2022
    Publication date: February 23, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Dae Woo Jung, Jung Taek Lim, Sung Eun Ryu, Byong Cheol Kim, Hyeong Seung Ham, Dong Hwan Kim
  • Method and apparatus for encoding and decoding audio signal to reduce quantization noise
    Patent number: 11580999
    Abstract: An audio signal encoding method performed by an encoder includes identifying an audio signal of a time domain in units of a block, generating a combined block by combining i) a current original block of the audio signal and ii) a previous original block chronologically adjacent to the current original block, extracting a first residual signal of a frequency domain from the combined block using linear predictive coding of a time domain, overlapping chronologically adjacent first residual signals among first residual signals converted into a time domain, and quantizing a second residual signal of a time domain extracted from the overlapped first residual signal by converting the second residual signal of the time domain into a frequency domain using linear predictive coding of a frequency domain.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: February 14, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seung Kwon Beack, Jongmo Sung, Mi Suk Lee, Tae Jin Lee, Woo-taek Lim, Inseon Jang
  • Apparatus and method for encoding/decoding audio signal using information of previous frame
    Patent number: 11581000
    Abstract: Disclosed is an apparatus and method for encoding/decoding an audio signal using information of a previous frame. An audio signal encoding method includes: generating a current latent vector by reducing dimension of a current frame of an audio signal; generating a concatenation vector by concatenating a previous latent vector generated by reducing dimension of a previous frame of the audio signal with the current latent vector; and encoding and quantizing the concatenation vector.
    Type: Grant
    Filed: November 27, 2020
    Date of Patent: February 14, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Woo-Taek Lim, Seung Kwon Beack, Jongmo Sung, Mi Suk Lee, Tae Jin Lee
  • AUDIO SIGNAL ENCODING AND DECODING METHOD, AND ENCODER AND DECODER PERFORMING THE METHODS
    Publication number: 20230038394
    Abstract: Disclosed are a method of encoding and decoding an audio signal and an encoder and a decoder performing the method. The method of encoding an audio signal includes identifying an input signal, and generating a bitstring of each encoding layer by applying, to the input signal, an encoding model including a plurality of successive encoding layers that encodes the input signal, in which a current encoding layer among the encoding layers is trained to generate a bitstring of the current encoding layer by encoding an encoded signal which is a signal encoded in a previous encoding layer and quantizing an encoded signal which is a signal encoded in the current encoding layer.
    Type: Application
    Filed: July 30, 2021
    Publication date: February 9, 2023
    Inventors: Woo-taek LIM, Seung Kwon BEACK, Jongmo SUNG, Tae Jin LEE, Inseon JANG, Minje KIM
  • AUDIO ENCODING/DECODING APPARATUS AND METHOD USING VECTOR QUANTIZED RESIDUAL ERROR FEATURE
    Publication number: 20230039546
    Abstract: An audio encoding/decoding apparatus and method using vector quantized residual error features are disclosed. An audio signal encoding method includes outputting a bitstream of a main codec by encoding an original signal, decoding the bitstream of the main codec, determining a residual error feature vector from a feature vector of a decoded signal and a feature vector of the original signal, and outputting a bitstream of additional information by encoding the residual error feature vector.
    Type: Application
    Filed: April 1, 2022
    Publication date: February 9, 2023
    Inventors: Inseon JANG, Seung Kwon BEACK, Jongmo SUNG, Tae Jin LEE, Woo-taek LIM, Jongwon SHIN, Youngju CHEON, Sangwook HAN, Soojoong HWANG
  • Method of encoding and decoding audio signal using linear predictive coding and encoder and decoder performing the method
    Patent number: 11562757
    Abstract: An audio signal encoding method performed by an encoder includes identifying a time-domain audio signal in a unit of blocks, quantizing a linear prediction coefficient extracted from a combined block in which a current original block of the audio signal and a previous original block chronologically adjacent to the current original block using frequency-domain linear predictive coding (LPC), generating a temporal envelope by dequantizing the quantized linear prediction coefficient, extracting a residual signal from the combined block based on the temporal envelope, quantizing the residual signal by one of time-domain quantization and frequency-domain quantization, and transforming the quantized residual signal and the quantized linear prediction coefficient into a bitstream.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: January 24, 2023
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seung Kwon Beack, Jongmo Sung, Mi Suk Lee, Tae Jin Lee, Woo-taek Lim, Inseon Jang, Jin Soo Choi
  • COOLING APPARATUS OF FUEL CELL VEHICLE
    Publication number: 20230011881
    Abstract: Disclosed is a cooling apparatus of a fuel cell vehicle, including an air supply part, an air conditioning part that cools air discharged from the air supply part, and a valve provided at a rear end of the air supply part and that communicates cooled air discharged from the air supply part with a fuel cell part or a battery.
    Type: Application
    Filed: June 3, 2022
    Publication date: January 12, 2023
    Applicant: HYUNDAI MOBIS Co., Ltd.
    Inventor: Seung Taek LIM
  • VIDEO SECURITY SYSTEM WITH IMPROVED NETWORK RESPONSE TIME USING PRE-AUTHENTICATION INFORMATION
    Publication number: 20230011133
    Abstract: A video security system with improved network response speed using pre-authentication information, which is capable of improving a network response speed by simplifying handshaking for securely exchanging authentication information and an encryption key in a process of starting communication between a client terminal and a server using pre-authentication information that is valid only for the client terminal, is provided.
    Type: Application
    Filed: June 12, 2022
    Publication date: January 12, 2023
    Applicant: IDIS CO., LTD.
    Inventors: In Taek LIM, Sang Hoon LEE
  • Method and device for determining loss function for audio signal
    Patent number: 11545163
    Abstract: A loss function of a signal including an audio signal is determined. A loss function determining system for an audio signal is provided. A loss function is determined by: determining a reference quantization index by quantizing an original input signal; inputting the original input signal to a neural network classifier and applying an activation function to an output layer of the neural network classifier; and determining a total loss function for the neural network classifier using an output of the activation function and the reference quantization index.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: January 3, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seung Kwon Beack, Woo-taek Lim, Tae Jin Lee
  • MEMs membrane structure and method of fabricating same
    Patent number: 11530129
    Abstract: Disclosed is a method of fabricating a MEMS membrane structure. The method comprises: forming a silicon oxide film dam structure on a silicon substrate; depositing an adhesive layer and then forming a sacrificial layer; depositing a surface protective film on the sacrificial layer; etching the surface protective film and the sacrificial layer, thus forming trenches of first to third rows on the silicon oxide film dam structure; depositing a support film inside of the trenches of first to third rows and on the surface protective film of the sacrificial layer, thus forming a membrane; and removing the sacrificial layer disposed inside the support film deposited inside of the trench of first row, thus forming an empty space.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: December 20, 2022
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Boung Ju Lee, Boo Taek Lim
  • Press process automation system for metal plate using auto-robot
    Patent number: 11517958
    Abstract: Provided is a press process automation system for a metal plate using an auto-robot. The press process automation system includes a loading unit configured to provide a stack in which a plurality of metal plates are stacked in a height direction thereof, a first robot which is coupled to the metal plate disposed on the loading unit, a table unit which is disposed at a lower position than the first target position, and determines whether the number of the metal plates is one, a second robot configured to vacuum-adsorb an upper surface of the metal plate disposed on the table unit, and a press mold unit including a lower mold which is vertically disposed at a lower position than the third target position and on which the metal plate is mounted, and an upper mold which is vertically moved from above the lower mold.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: December 6, 2022
    Assignee: SAMSUNG TECH CO., LTD.
    Inventors: Yong Taek Lim, Tae Gil Lee
  • Connector
    Publication number: 20220376424
    Abstract: A connector body has a body terminal passageway configured to accommodate a terminal and a block accommodating part configured to communicate with the body terminal passageway. An assembly block is detachably connected to the connector body, rotatable about the connector body while maintaining a state in which the assembly block is connected to the connector body while an external force is applied, and configured to rotate at a predetermined angle or more to be separated from the connector body and be insertable into the block accommodating part.
    Type: Application
    Filed: May 18, 2022
    Publication date: November 24, 2022
    Applicant: Tyco Electronics AMP Korea Co., Ltd.
    Inventors: Chang-Ho Lee, Keun Taek Lim
  • METHODS OF ENCODING AND DECODING AUDIO SIGNAL, AND ENCODER AND DECODER FOR PERFORMING THE METHODS
    Publication number: 20220375483
    Abstract: Disclosed are methods of encoding and decoding an audio signal, and an encoder and a decoder for performing the methods. The method of encoding an audio signal includes identifying an input signal corresponding to a low frequency band of the audio signal, windowing the input signal, generating a first latent vector by inputting the windowed input signal to a first encoding model, transforming the windowed input signal into a frequency domain, generating a second latent vector by inputting the transformed input signal to a second encoding model, generating a final latent vector by combining the first latent vector and the second latent vector, and generating a bitstream corresponding to the final latent vector.
    Type: Application
    Filed: November 8, 2021
    Publication date: November 24, 2022
    Inventors: Woo-taek LIM, Seung Kwon BEACK, Jongmo SUNG, Tae Jin LEE, Inseon JANG, Jong-won SEOK, YUNSU KIM