Patents Assigned to Daegu Gyeongbuk Institute of Science and Technology
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Publication number: 20250015311Abstract: An electrode catalyst is configured such that non-noble metal particles, noble metal particles or nitride-doped noble metal particles are supported on a carbon support, wherein the carbon support has a 2D planar crystal structure or a 3D polyhedral crystal structure and is doped with nitrogen, thereby exhibiting increased catalytic activity.Type: ApplicationFiled: September 20, 2024Publication date: January 9, 2025Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation, Daegu Gyeongbuk Institute of Science and TechnologyInventors: Eun Jik Lee, Jee Youn Hwang, Ji Hoon Jang, Ha Young Lee, Jong Sung Yu
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Publication number: 20240429407Abstract: Provided is a fuel cell-single cell including an anode separator, a cathode separator, an integrated gasket-membrane electrode assembly (MEA) which is disposed between the anode separator and the cathode separator and in which an ion exchange process takes place, an anode hydrogen supply channel disposed between the anode separator and the integrated gasket-membrane electrode assembly to allow hydrogen to be supplied to the anode separator therethrough, and a porous separator disposed between the cathode separator and the integrated gasket-membrane electrode assembly. The airtightness of the reaction gas, the efficiency of the ion exchange reaction, and the convenience of maintenance are improved by introducing the integrated gasket-membrane electrode assembly and the porous separator into the internal structure of the fuel cell.Type: ApplicationFiled: August 11, 2022Publication date: December 26, 2024Applicant: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGYInventor: Byung Rak SON
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Patent number: 12171996Abstract: A customized electrical stimulation providing system includes: an electrical stimulation request input unit receiving electrical stimulation mode selection information; an electrical stimulation control unit setting an electrical stimulation control variable according to the electrical stimulation mode selection information and generating a control signal; and an electrical stimulation providing means receiving the control signal generated by the electrical stimulation control unit and providing electrical stimulation, wherein the electrical stimulation mode selection information includes at least one of a beauty mode (muscle loss mode) and a muscle strengthening mode.Type: GrantFiled: July 30, 2021Date of Patent: December 24, 2024Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Min Seok Kim, Min Young Kim, Hyun Young Shin
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Publication number: 20240408140Abstract: The present invention relates to enhancing the anticancer function of a natural killer (NK) cell through the regulation of an antioxidant mechanism and confirms that, in comparison to a conventional NK cell, anticancer activity is enhanced in an NK cell having increased antioxidant activity due to the removal of the keap 1 gene or due to having been cultured in a medium containing an antioxidant material, and can thus be useful as a composition for preventing, treating, or alleviating cancer.Type: ApplicationFiled: October 25, 2022Publication date: December 12, 2024Applicant: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Young Tae JEONG, Byungmoo OH
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Publication number: 20240407269Abstract: The present invention pertains to: a switching device based on spin-orbit torque; and a method for manufacturing same. A switching device based on spin-orbit torque according to an embodiment comprises: a heavy metal input terminal extending in a first direction; and an information terminal extending in a second direction perpendicular to the first direction on the heavy metal input terminal and having a ferromagnetic layer, wherein the information terminal includes a first region adjacent to the heavy metal input terminal and a second region not adjacent to the heavy metal input terminal, and magnetization reversal of the ferromagnetic layer can be controlled on the basis of a non-uniform spin Hall effect (SHE) caused by the first region and the second region.Type: ApplicationFiled: September 16, 2022Publication date: December 5, 2024Applicant: Daegu Gyeongbuk Institute of Science and TechnologyInventors: Chun Yeol YOU, Su Hyeok AN
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Patent number: 12154693Abstract: Provided is a store device for digital therapeutic object including a processor, a storage unit configured to store a digital therapeutic object, and a memory electrically connected to the processor, at least one piece of code executed by the processor being stored in the memory, in which the memory stores the code causing the processor to process an XML-based DPR message requesting any one of registration, update of registration, abandonment of registration, usage, and abandonment of usage of the digital therapeutic object from a first external device.Type: GrantFiled: April 5, 2022Date of Patent: November 26, 2024Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY [DGIST]Inventors: Won Seok Kang, Chang Sik Son, Sang Hyeon Jin
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Publication number: 20240369649Abstract: The present invention relates to a three-dimensional magnetic field measurement device comprising a plurality of modules, wherein each of the modules is configured to be extensible in x-axis, y-axis, and z-axis directions, whereby magnetic field data in a three-dimensional space can be measured in real time without moving the device, a measurement area can be easily enlarged and reduced, power efficiency can be improved, and the size and weight of the device can be reduced.Type: ApplicationFiled: May 6, 2022Publication date: November 7, 2024Applicant: Daegu Gyeongbuk Institute of Science and TechnologyInventors: Hong Soo CHOI, Jun Sun HWANG, Jin Young KIM, Awais AHMED, Sarmad Ahmad ABBASI
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Patent number: 12134755Abstract: According to the present disclosure, there is provided a cell stimulation and culture platform using a ultrasonic hologram, including a culture vessel in which a culture well with an open lower portion is formed; a transmission sheet which is installed to cover a lower surface of the culture vessel and where a biological sample is seated; a platform body that is filled with a liquid medium and an open upper end is covered by the transmission sheet; an ultrasonic transducer that is installed inside the platform body in a state of being spaced apart from the biological sample; and an ultrasonic hologram lens that is installed on the ultrasonic transducer, and spatially modulates the phase of the ultrasonic waves using a surface structure designed to have different height distributions to focus the ultrasonic waves in a set pattern shape on a target surface on which the biological sample is located.Type: GrantFiled: October 6, 2022Date of Patent: November 5, 2024Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jae Youn Hwang, Moon Hwan Lee
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Patent number: 12130220Abstract: A biosensor using an exceptional point is disclosed. A biosensor according to one embodiment of the present disclosure includes: a biosensing unit configured to output wavelength-separated optical signals from destruction of an exceptional point resulting from attachment of biomolecules; a detection unit configured to convert the wavelength-separated optical signals into wavelength-separated electrical signals; an analysis unit configured to measure a beat frequency resulting from the wavelength-separated electrical signals; and a determination unit configured to determine a wavelength difference resulting from the beat frequency, thereby determining the amount of the biomolecules therefrom.Type: GrantFiled: March 19, 2020Date of Patent: October 29, 2024Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Chil Min Kim, Jin Hyeok Ryu, Chang Hwan Yi
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Patent number: 12123822Abstract: An imaging system according to an embodiment may include an ultrasonic oscillation part configured to apply ultrasonic waves to a sample, an image acquisition part configured to acquire a plurality of images of the sample deformed by the ultrasonic waves, and a computation part configured to compute a deformation rate on the basis of a change in thickness of the sample from the plurality of images, in which the computation part computes an elastic modulus of the sample on the basis of intensity of the ultrasonic waves and the deformation rate of the sample.Type: GrantFiled: July 5, 2021Date of Patent: October 22, 2024Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jae Youn Hwang, Sang Yeon Youn
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Patent number: 12126029Abstract: An electrode catalyst is configured such that non-noble metal particles, noble metal particles or nitride-doped noble metal particles are supported on a carbon support, wherein the carbon support has a 2D planar crystal structure or a 3D polyhedral crystal structure and is doped with nitrogen, thereby exhibiting increased catalytic activity.Type: GrantFiled: December 28, 2020Date of Patent: October 22, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Eun Jik Lee, Jee Youn Hwang, Ji Hoon Jang, Ha Young Lee, Jong Sung Yu
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Patent number: 12111647Abstract: Disclosed is an apparatus for estimating disturbance flowing into a control system on the basis of input/output data. The apparatus includes an input unit, and an estimator configured to, when input data (u) is provided to the control system through the input unit and thus output data is acquired, estimate the input data (u) from the acquired output data, based on a system model matrix corresponding to an input/output relation model of the control system. Accordingly, efficiency of the apparatus may be improved.Type: GrantFiled: December 17, 2021Date of Patent: October 8, 2024Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Yongsoon Eun, Juseung Lee, Jaeho Lee
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Publication number: 20240332551Abstract: Provided are a composite and a membrane electrode assembly including active metal particles and sacrificial metal particles, and a fuel cell including the same. The composite according to the present invention includes active metal particles and sacrificial metal particles independently supported on a carbon support, it can suppress the deterioration of the active metal and have significantly improved durability while maintaining excellent activity of the catalyst. The membrane electrode assembly according to the present invention can have excellent catalytic activity and significantly improved durability for the same reasons as the above-described composite.Type: ApplicationFiled: March 28, 2024Publication date: October 3, 2024Applicant: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jong-Sung YU, Cheol Hwan SHIN
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Patent number: 12103545Abstract: According to an embodiment, provided are a method and an apparatus for monitoring an unmanned ground vehicle (UGV), for detecting a failure of a UGV actuator in consideration of terrain information. Accordingly, the accuracy of detecting a failure of the UGV is improved.Type: GrantFiled: November 26, 2021Date of Patent: October 1, 2024Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Gyu Jin Na, Yong Soon Eun
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Publication number: 20240311302Abstract: A processor includes a processing core configured to process each of a plurality of requests by accessing a corresponding one of a first memory and a second memory, a latency monitor configured to generate first latency information and second latency information, the first latency information comprising a first access latency to the first memory, and the second latency information comprising a second access latency to the second memory, a plurality of cache ways divided into a first partition and a second partition, and a decision engine configured to allocate each of the plurality of cache ways to one of the first partition and the second partition, based on the first latency information and the second latency information.Type: ApplicationFiled: February 28, 2024Publication date: September 19, 2024Applicants: Samsung Electronics Co., Ltd., Daegu Gyeongbuk Institute Of Science And TechnologyInventors: Jin Jung, Daehoon Kim, Hwanjun Lee, Jonggeon Lee, Jinin So
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Patent number: 12093341Abstract: A matrix data processing method performed by a computing device which performs a matrix multiplication operation includes, with respect to each of one or more elements included in a matrix, when a value of each element satisfies a designated condition, determining the element to be a don't-care element and determining an output value of the don't-care element, generating a bitstream based on the output value of the don't-care element and index values of valid elements included in the matrix, and equally dividing the bitstream into pieces of a designated number, and generating a Huffman code corresponding to each of a plurality of lower bitstreams that are generated as a result of the equal division.Type: GrantFiled: December 30, 2020Date of Patent: September 17, 2024Assignees: SAMSUNG ELECTRONICS CO., LTD., DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY, POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Jaeha Kung, Jae-Joon Kim, Junki Park
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Publication number: 20240296962Abstract: A neurotransmitter concentration measuring apparatus includes a data collecting unit configured to collect fast-scan cyclic voltammetry (FSCV) data where capacitive charging current is included in faradaic current varying depending on injection concentration for each of multiple neurotransmitters, a data processing unit configured to process the FSCV data as second-derivative-based background removal (SDBR) data in a faradaic current form where the charging current is excluded, based on a second derivative for voltage of an individual voltammogram generated for each scan by background subtraction in the FSCV data, a deep learning processing unit configured to build a deep learning model that simultaneously estimates the concentration of the multiple neurotransmitters by learning the SDBR data with a deep learning network and a measurement result providing unit configured to simultaneously provide concentration measurement results of a neurotransmitter varying depending on real-time injection for each of the mType: ApplicationFiled: March 4, 2024Publication date: September 5, 2024Applicant: Daegu Gyeongbuk Institute of Science and TechnologyInventors: Ji Woong CHOI, Seong Tak Kang, Yun Ho Jeong, Eun Ho Kim
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Publication number: 20240291500Abstract: The present invention relates to a current-to-digital converter and the current-to-digital converter according to an example embodiment includes an integrator connected to a current source that outputs input current; a quantizer connected to the integrator and configured to generate a first digital output code corresponding to alternating current (AC) in the input current; a first loop circuit formed on a delta-sigma (??) loop that connects an input terminal of the integrator and an output terminal of the quantizer; a second loop circuit formed on a truncation-noise-shaped baseline-servo (TNS-BS) loop that connects the input terminal of the integrator and the output terminal of the quantizer and configured to generate a second digital output code corresponding to direct current (DC) in the input current; and an adder configured to generate a final digital output code by adding the first digital output code and the second digital output code.Type: ApplicationFiled: February 22, 2024Publication date: August 29, 2024Applicant: Daegu Gyeongbuk Institute of Science and TechnologyInventors: Jung Hyup LEE, Tae Ryoung SEOL, Ji Woong CHOI
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Publication number: 20240291497Abstract: The present invention relates to a successive approximation register (SAR) analog-to-digital converter and the SAR analog-to-digital converter according to an example embodiment includes an input unit including at least one SAR capacitor; a recycling integrator connected to the input unit and including k integration capacitors configured to store the respective residue information generated in an integration process performed k times, respectively, (where k denotes a positive integer of 2 or more) using a single amplifier; a comparator connected to an output terminal of the recycling integrator; and a SAR controller connected to an output terminal of the comparator and configured to generate a digital signal corresponding to output of the comparator.Type: ApplicationFiled: February 22, 2024Publication date: August 29, 2024Applicant: Daegu Gyeongbuk Institute of Science and TechnologyInventors: Jung Hyup LEE, Geun Ha Kim, Jae Eun Jang
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Publication number: 20240283006Abstract: The present invention relates to a composite solid electrolyte comprising zeolite and a fluorine-based lithium salt, and a lithium secondary battery using same. In the composite solid electrolyte according to the present invention, the formation of lithium dendrites is dramatically reduced by optimizing the concentration of fluorine-based lithium salt in a composite solid electrolyte containing zeolite, thus making it possible to achieve a composite solid electrolyte and a lithium secondary battery comprising same in which very good electrochemical characteristics are exhibited even after long-term charging and discharging.Type: ApplicationFiled: October 19, 2022Publication date: August 22, 2024Applicant: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jae Hyeon KIM, Jamal HASAN, Suyeon HYUN