Patents Assigned to Chung-Ang University
  • Publication number: 20250227094
    Abstract: A processor-implemented method including generating packing data of encrypted input data, based on a packing constant and a duplication constant, generating an operation result set based on a homomorphic encryption operation for a convolution operation on each of kernels belonging to a same group in the kernel set and the packing data, and generating a convolution operation result of the encrypted input data based on a rotation operation of operation result sets generated corresponding to groups in the kernel set.
    Type: Application
    Filed: December 9, 2024
    Publication date: July 10, 2025
    Applicants: Samsung Electronics Co., Ltd., Chung Ang University Industry Academic Cooperation Foundation
    Inventors: Joon Woo LEE, Byeong Seo MIN, Seom kyun SONG
  • Publication number: 20250216326
    Abstract: A liquid hydrogen ratio analysis system includes a heater that heats hydrogen to a room temperature, a receiving portion that accommodates the hydrogen heated by the heater and includes a transmission window through which a laser is transmitted, a spectral detector that detects an energy level scattered from the hydrogen by irradiating the laser to the hydrogen accommodated in the receiving portion through the transmission window, and a processor that is configured to determine a ratio of para hydrogen molecules to ortho hydrogen molecules in the hydrogen through the energy level detected by the spectral detector.
    Type: Application
    Filed: November 5, 2024
    Publication date: July 3, 2025
    Applicants: Hyundai Motor Company, Kia Corporation, CHUNG ANG University Industry Academic Coorperation Foundation
    Inventors: Seung Joon LEE, Se Kwon JUNG, Hyung Bin SON, Seok In KIM
  • Publication number: 20250180485
    Abstract: A battery monitoring apparatus may be used for gas analysis of medium to large-sized actual cells by allowing the gases generated during charging and discharging of lithium secondary batteries to be analyzed in-situ through Raman analysis equipment without external exposure of the gas. Meanwhile, the battery monitoring apparatus can identify relationship between a change in cell volume and a battery performance due to gas generation by measuring the change in cell volume and gas pressure according to the gas generated during the cycle, and can also measure the safety and life predictability of the actual cell by identifying the correlation with residual useful life through analysis of electrochemical results and gases generated according to cycle performance.
    Type: Application
    Filed: August 9, 2024
    Publication date: June 5, 2025
    Applicants: Hyundai Motor Company, Kia Corporation, CHUNG ANG University Industry Academic Cooperation Foundation
    Inventors: Seung Min OH, Sung Ho Ban, Sang Hun Lee, Chang Hoon Song, Tae Ho Park, Eung Ju Lee, Ki Kang Lee, Yoon Sung Lee, Seung Tae Kim, Hyung Bin Son, Hyunchul Kang, kibeom Hwang, Seok-In Kim, Songhun Yoon
  • Patent number: 12322807
    Abstract: Disclosed herein are a method of manufacturing dry binders for electrodes usable in a dry electrode method by using a mixture of polymer powder containing a hydroxyl group (—OH) and polytetrafluoroethylene, and a method of manufacturing dry electrodes including dry binders.
    Type: Grant
    Filed: December 7, 2022
    Date of Patent: June 3, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, CHUNG ANG University industry Academic Cooperation Foundation
    Inventors: Kyeong Wi Park, Han Nah Song, Sang Wook Han, In Ho Nam, Ho Jong Eom, Ji Hyeon Kang
  • Publication number: 20250136392
    Abstract: A device transfer apparatus is provided. The device transfer apparatus includes a container of a polygonal shape which contains a substrate including device holes, vibration sources which generates vibration and transfers the vibration to a fluid in the container, and a processor which controls outputs of the vibration sources. The vibration sources include first group vibration sources arranged on a circumference of a first circle having a radius of a first distance from a central point, and second group vibration sources arranged on a circumference of a second circle which is concentric with the first circle and has a radius of a second distance that is longer than the first distance. The container is arranged on the central point and contains a fluid and micro devices distributed in the fluid. The processor controls the first group vibration sources and the second group vibration sources to output vibration.
    Type: Application
    Filed: July 23, 2024
    Publication date: May 1, 2025
    Applicant: CHUNG ANG University Industry Academic Cooperation Foundation
    Inventors: Jaesoo YOO, Yongtae Ko
  • Patent number: 12289823
    Abstract: A metamaterial electromagnetic absorber includes a substrate having a first surface on which electromagnetic waves are incident and a second surface opposite the first surface. The substrate is made of a metamaterial. The metamaterial electromagnetic absorber also includes a first inductive conduction pattern and a second inductive conduction pattern formed on the first surface and the second surface, respectively.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: April 29, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, CHUNG ANG University industry Academic Cooperation Foundation
    Inventors: Seung Hyun Han, Sung Joon Lim
  • Publication number: 20250093261
    Abstract: An imaging apparatus may include a light source emitting linear light, a light reflector configured to reflect the linear light incident from the light source unit, a first filter configured to filter the linear light reflected from the light reflector, a light transmission reflector configured to reflect the linear light passing through the first filter toward an object and transmit light incident from the object, a second filter configured to filter the light that has passed through the light transmission reflector after being incident from the object, and a camera configured to capture the light passing through the second filter.
    Type: Application
    Filed: September 17, 2024
    Publication date: March 20, 2025
    Applicants: SAMSUNG ELECTRONICS CO., LTD., CHUNG ANG University Industry Academic Cooperation Foundation
    Inventors: Unjeong KIM, Hojung KIM, Hyungbin SON, Suyeon LEE
  • Publication number: 20250048589
    Abstract: A cooling apparatus for a power module including a plurality of cooling modules provided to be in contact with each of both surfaces of the power module, in which the cooling module includes a manifold cover provided with a plurality of guide walls extending in a first direction in a state of being spaced apart from each other and a pin plate having one surface being in contact with the power module and having a plurality of pins extending in a second direction crossing the first direction formed on the other surface thereof.
    Type: Application
    Filed: October 22, 2024
    Publication date: February 6, 2025
    Applicants: Hyundai Motor Company, Kia Corporation, CHUNG ANG University industry Academic Cooperation Foundation
    Inventors: Sang Hun LEE, Se Heun KWON, Seong Min LEE, Je Hwan LEE, Hyong Joon PARK, Yun Seo KIM, Geon Hee LEE, Dae Young KONG, Min Soo KANG, Hyoung Soon LEE
  • Patent number: 12217645
    Abstract: An operating method of a calibration system for a display device obtains image information about an image displayed on display device and wavelength information about pixels of the image information using a hyperspectral camera included in an electronic device, transmits the obtained image information and wavelength information to a first application in the electronic device, generates calibration data about the obtained image information and wavelength information through the first application and transmits the calibration data to a second application in the display device, and performs color calibration of the display device based on the calibration data transmitted to the second application to display a color calibrated image.
    Type: Grant
    Filed: April 19, 2023
    Date of Patent: February 4, 2025
    Assignees: SAMSUNG ELECTRONICS CO., LTD., CHUNG ANG University Industry Academic Cooperation Foundation
    Inventors: Unjeong Kim, Hojung Kim, Hyungbin Son, Suyeon Lee
  • Publication number: 20250036943
    Abstract: A processor-implemented method includes receiving data for performing a neural network operation of homomorphic encrypted data and a parameter for generating an approximate polynomial corresponding to the neural network operation, obtaining layer information corresponding to each of a plurality of layers configuring a neural network based on the data, determining layer importance corresponding to each of the plurality of layers, based on the parameter and the layer information, generating an approximate polynomial approximating the neural network operation for each of the plurality of layers, based on the layer importance, and generating an operation result by performing the neural network operation based on the approximate polynomial.
    Type: Application
    Filed: July 1, 2024
    Publication date: January 30, 2025
    Applicants: Samsung Electronics Co., Ltd., Seoul National University R&DB Foundation, Industry-Academic Cooperation Foundation, Chosun University, Chung Ang University Industry Academic Cooperation Foundation, POSTECH Research and Business Development Foundation
    Inventors: Yongjune KIM, Junghyun LEE, Young-Sik KIM, Jong-Seon NO, Jiheon WOO, Eunsang LEE, Joon-Woo LEE
  • Publication number: 20240350583
    Abstract: Disclosed in the present invention are: a pharmaceutical composition for preventing or treating fibrotic diseases, comprising hyaluronan and proteoglycan link protein 1 (HAPLN1) or a gene encoding same as an active ingredient; and a method for preventing or treating fibrotic diseases using the composition. According to the present invention, fibrosis of cells or tissues is prevented and inhibited such that the occurrence or progression of various kinds of diseases caused by fibrosis is fundamentally suppressed, and thus the diseases can be prevented or treated.
    Type: Application
    Filed: August 2, 2022
    Publication date: October 24, 2024
    Applicants: Chung Ang University Industry Academic Cooperation Foundation, Haplnscience Inc.
    Inventors: Dae Kyong Kim, Yong Soon Kim, Moon Jung Back, Jung Hoon Pyo, David Kim, Yong Wei Piao, Min A Yeom
  • Publication number: 20240312966
    Abstract: An element transfer device is provided. The element transfer device includes a cartridge including a plurality of element recesses each having a shape corresponding to a shape of a micro element, at least one wave energy generator configured to supply wave energy to the cartridge, a camera, and a processor. The processor is configured to primarily arrange a plurality of micro elements in the plurality of element recesses by supplying the wave energy to the cartridge accommodating the plurality of micro elements disposed in a fluid, obtain a first image by photographing the cartridge, and based on the first image, control a waveform and a frequency of the wave energy and control a secondary arrangement of disposing the micro elements in remaining element recesses in which the micro elements are not disposed.
    Type: Application
    Filed: February 29, 2024
    Publication date: September 19, 2024
    Applicant: Chung Ang University Industry Academic Cooperation Foundation
    Inventors: Jaesoo YOO, Yongtae KO
  • Publication number: 20240252588
    Abstract: The present invention relates to a composition for repairing vascular degeneration and vascular injuries and preventing or treating vascular diseases, containing hyaluronan and proteoglycan link protein 1 (HAPLN1) as an active ingredient. More specifically, provided is a pharmaceutical composition and a health functional food composition for preventing or treating vascular diseases, containing HAPLN1 as an active ingredient. HAPLN1 inhibits and alleviates, in blood vessel walls, damage to the elastin fiber layer and loss of transgelin, and effectively inhibits the phosphorylation of NF-?B or focal adhesion kinase (FAK) in vascular smooth muscle cells (VSMCs), and thus can be used for preventing, alleviating or treating vascular injuries and various diseases caused by aging or a high-fat diet.
    Type: Application
    Filed: May 30, 2022
    Publication date: August 1, 2024
    Applicant: CHUNG ANG University industry Academic Cooperation Foundation
    Inventor: Dae Kyong KIM
  • Patent number: 12039705
    Abstract: An apparatus for classifying fake images according to an embodiment of the present disclosure includes an artifact remover configured to receive an input image to generate an artifact-removed image from which artifacts are removed, an artifact image generator configured to generate an artifact image by using a difference between the input image and the artifact removal image, and a determiner configured to determine whether the artifact image is a real image or a fake image by receiving the artifact image.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: July 16, 2024
    Assignees: CHUNG ANG University Industry Academic Cooperation Foundation, SAMSUNG SDS CO., LTD.
    Inventors: Yong Hyun Jeong, Jong Won Choi, Do Yeon Kim, Young Min Ro
  • Patent number: 11971299
    Abstract: A hyperspectral image sensor includes an optical irradiator configured to irradiate light to a partial region of an object, an optical detector configured to receive detection light generated in the partial region in response to the irradiated light and generate spectrum signals, each of the spectrum signals corresponding to a respective sub-region of a plurality of sub-regions included in the partial region, and a processor configured to generate a hyperspectral image of the partial region based on the spectrum signals.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: April 30, 2024
    Assignees: SAMSUNG ELECTRONICS CO., LTD., CHUNG ANG University Industry Academic Cooperation Foundation
    Inventors: Unjeong Kim, Jeongsu Han, Hyungbin Son, Suyeon Lee
  • Publication number: 20240071275
    Abstract: An operating method of a calibration system for a display device obtains image information about an image displayed on display device and wavelength information about pixels of the image information using a hyperspectral camera included in an electronic device, transmits the obtained image information and wavelength information to a first application in the electronic device, generates calibration data about the obtained image information and wavelength information through the first application and transmits the calibration data to a second application in the display device, and performs color calibration of the display device based on the calibration data transmitted to the second application to display a color calibrated image.
    Type: Application
    Filed: April 19, 2023
    Publication date: February 29, 2024
    Applicants: SAMSUNG ELECTRONICS CO., LTD., CHUNG ANG University Industry Academic Cooperation Foundation
    Inventors: Unjeong Kim, Hojung Kim, Hyungbin Son, Suyeon Lee
  • Patent number: 11890752
    Abstract: The present invention relates to a complex elastic unit for maximizing space utilization and elastic energy storage with a limited space and a variable gravity compensation module with the complex elastic unit and a curved lever, more particularly to variable gravity compensation apparatus with a curved lever, characterized by comprising: a housing; an interlocking cam which is installed to the housing, being rotated by a load; a curved lever which is rotated interlocked with the rotation of the interlocking cam and which provides elasticity to rotate the interlocking cam toward an initial position; an adjustment unit which adjusts a position of a pivot which is a center of rotation of the curved lever, allowing moving the pivot according to strength of load; and an elastic unit which is equipped within the housing to provide elasticity to the curved lever, wherein a driving end which is adhered to the interlocking cam is formed on one end of the curved lever with respect to the pivot, a driven end which is a
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: February 6, 2024
    Assignee: Chung Ang University Industry Academic Cooperation Foundation
    Inventors: Giuk Lee, Jehyeok Kim, Jun Young Moon, Jae Wook Ryu
  • Patent number: 11852619
    Abstract: Provided is a meat inspection apparatus including a light source configured to emit a plurality of inspection lights to a plurality of regions of meat, respectively, a light detector configured to generate a plurality of emission spectrum signals based on measuring a plurality of fluorescences emitted from the plurality of regions, and a processor configured to receive the plurality of emission spectrum signals from the light detector, generate hyperspectral images of the meat based on the plurality of emission spectrum signals, and obtain a state of the meat based on the hyperspectral images, wherein the processor is further configured to obtain the state of the meat for a plurality of sub-regions in each of the plurality of regions.
    Type: Grant
    Filed: September 20, 2021
    Date of Patent: December 26, 2023
    Assignees: SAMSUNG ELECTRONICS CO., LTD., CHUNG ANG University Industry Academic Cooperation Foundation
    Inventors: Unjeong Kim, Hyungbin Son, Suyeon Lee
  • Patent number: 11758091
    Abstract: Provided is a food monitoring apparatus including at least one light source configured to selectively radiate light of a first wavelength band and light of a second wavelength band that is different from the first wavelength band to food, at least one image sensor configured to obtain a visible image of the food and a hyperspectral image of the food based on light scattered, emitted, or reflected from the food, and at least one processor configured to obtain first information of the food based on the visible image, and to obtain second information of the food based on the first information and the hyperspectral image.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: September 12, 2023
    Assignees: SAMSUNG ELECTRONICS CO., LTD., CHUNG ANG University Industry Academic Cooperation Foundation
    Inventors: Suyeon Lee, Jeongsu Han, Unjeong Kim, Hyungbin Son, Junhoe Choi
  • Publication number: 20230238536
    Abstract: Disclosed herein are a method of manufacturing dry binders for electrodes usable in a dry electrode method by using a mixture of polymer powder containing a hydroxyl group (—OH) and polytetrafluoroethylene, and a method of manufacturing dry electrodes including dry binders.
    Type: Application
    Filed: December 7, 2022
    Publication date: July 27, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, CHUNG ANG University industry Academic Cooperation Foundation
    Inventors: Kyeong Wi Park, Han Nah Song, Sang Wook Han, In Ho Nam, Ho Jong Eom, Ji Hyeon Kang