Patents Assigned to Korea Advanced Institute of Science of Technology
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Publication number: 20240143950Abstract: A processing element includes an analog operation circuit configured to receive input data from an input buffer and to generate one or more output currents associated with a multiplication operation of the input data and weights based on a bit-precision of stored weights, one or more analog-to-digital converters (ADCs) each configured to convert the one or more output currents into one or more digital codes, and a digital operation circuit configured to perform an addition operation using the one or more digital codes based on the bit-precision of the weight and to perform a summation operation on a resultant value of the addition operation based on a bit-precision of the input data.Type: ApplicationFiled: September 22, 2023Publication date: May 2, 2024Applicants: Samsung Electronics Co., Ltd., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Donghyeon YI, Minkyu JE
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Publication number: 20240147875Abstract: Provided is a phase change RAM. The phase change RAM includes an electrode, a first layer located on the electrode, and a second layer located on the first layer. The first layer includes a locally formed phase change material region. In addition, a method of manufacturing a phase change RAM is provided. The method includes forming an electrode, forming a first layer on the electrode, forming a second layer on the first layer, and forming a phase change material region locally in the first layer due to a voltage applied to the second layer.Type: ApplicationFiled: October 18, 2023Publication date: May 2, 2024Applicant: Korea Advanced Institute of Science and TechnologyInventors: Shinhyun CHOI, See-On PARK, Seok Man HONG
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Publication number: 20240141513Abstract: A porous transport layer is disclosed. The porous transport layer includes a base layer containing a titanium family element, a first coating layer disposed on one surface of the base layer and containing iridium (Ir), and a second coating layer disposed on the other surface of the base layer, and containing at least one of platinum (Pt), gold (Au), and silver (Ag), and a method for preparing the same.Type: ApplicationFiled: February 22, 2023Publication date: May 2, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Young June Park, Woo Chul Jung, Seong Woo Nam, Sang Woo Kim
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Publication number: 20240146322Abstract: A digital noise coupling circuit includes: an analog-to-digital converter (ADC) configured to convert a quantization error, generated in a process of converting a first analog signal into a first digital signal, into a first digital error signal; a delay cell comprising delay elements configured to delay a transmission of the first digital error signal based on a clock signal; and a digital-to-analog (DA) conversion circuit configured to perform, in an analog domain, noise shaping on the first digital error signal that is delayed and transmitted from the delay cell.Type: ApplicationFiled: August 7, 2023Publication date: May 2, 2024Applicants: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and TechnologyInventors: Seong Joong KIM, Seung Tak RYU, Kent Edrian LOZADA
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Publication number: 20240142596Abstract: Provided are a tag, interrogator, and system for performing position measurement based on backscatter in a millimeter-wave band. In detail, provided is a tag including a planar Van Atta array antenna, a frequency-shift keying (FSK) modulator connected to the planar Van Atta array antenna, and at least one bias circuit connected to the FSK modulator, wherein the FSK modulator is configured to, based on an interrogation signal being received by the planar Van Atta array antenna, modulate the interrogation signal based on a control signal supplied through the at least one bias circuit, and output the modulated interrogation signal in a direction from which the interrogation signal is received, through the planar Van Atta array antenna.Type: ApplicationFiled: November 3, 2023Publication date: May 2, 2024Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Kang Min BAE, Hankyeol MOON, Song Min KIM
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Patent number: 11971532Abstract: A microlens array-based ultrathin microscope is provided. The microlens array-based ultrathin microscope includes a filter unit configured to selectively transmit fluorescence manifested in a measurement sample, and an image unit configured to acquire an image from light transmitted by the filter unit. The filter unit is formed to be in contact with or spaced apart from one surface of a transparent substrate, and the image unit includes a microlens array formed on an opposite surface to the transparent substrate in which the filter unit is formed, and an image sensor configured to collect image information of the microlens array.Type: GrantFiled: August 25, 2021Date of Patent: April 30, 2024Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Ki-Hun Jeong, Kyung-Won Jang, Byounghoon Kang, Younggil Cha
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Patent number: 11973695Abstract: An information processing apparatus comprises a controller. The controller is configured to execute: acquiring a plurality of datasets, each of the datasets being configured with a combination of training data and a correct answer label; and implementing machine learning of an estimation model using the acquired plurality of datasets, wherein the training data includes workload information about an application constructed based on a microservice architecture and resource use information about resources used for each of components included in the application, in a learning target environment, the correct answer label is configured to show a true value of quality of service of the application, and the machine learning comprises training the estimation model such that, for each of the datasets, an estimated value of the quality of service calculated with the estimation model based on the training data corresponds to the true value shown by the correct answer label.Type: GrantFiled: November 18, 2022Date of Patent: April 30, 2024Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, Korea Advanced Institute of Science and TechnologyInventors: Chunghan Lee, Jinwoo Park, Byoungkwon Choi, Dongsu Han
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Patent number: 11973229Abstract: The present disclosure relates to an anode for a lithium-metal battery, a manufacturing method of the same, and a lithium-metal battery including the anode. The anode for a lithium-metal battery includes a complex hierarchical structure current collector which includes an inverted pyramid-shaped micro hole pattern and nanostructures provided within the inverted pyramid-shaped micro hole pattern; and a lithium metal which is electrodeposited on the nanostructure of the current collector. As a result, it is possible to increase the life stability of the battery and increase the coulombic efficiency.Type: GrantFiled: June 23, 2021Date of Patent: April 30, 2024Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jae Young Seok, Sanha Kim, Inyeong Yang, Ji-Hun Jeong, Seung Seob Lee
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Patent number: 11972510Abstract: An embodiment of the present disclosure provides a method of generating a tomography image and an X-ray imaging apparatus operating according to the method, whereby when a material with a high X-ray attenuation rate is inserted into an object, an image quality may be improved by reducing ripple artifacts and/or undershoot artifacts that may occur in a tomography image that is a captured X-ray image of the object.Type: GrantFiled: June 10, 2019Date of Patent: April 30, 2024Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jongha Lee, Hyeongseok Kim, Seungryong Cho, Namuk Kim, Jonghwan Min
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Patent number: 11974069Abstract: Disclosed are an image processing method and device using a line-wise operation. The image processing device, according to one embodiment, comprises: a receiver for receiving an image; a first convolution operator for generating a feature map by performing a convolution operation on the basis of the image; and a compressor for compressing the feature map into units of at least one line; and a decompressor for reconstructing the feature map compressed into units of lines.Type: GrantFiled: December 12, 2018Date of Patent: April 30, 2024Assignee: Korea Advanced Institute of Science and TechnologyInventors: Mun Churl Kim, Yong Woo Kim, Jae Seok Choi
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Patent number: 11973583Abstract: A communication method of a heterogeneous distributed wireless network system includes calculating a first transmission threshold in the heterogeneous distributed wireless network system including a plurality of distributed networks that share a same frequency band, determining whether data is transmitted by transmitter/receiver pairs included in the heterogeneous distributed wireless network system, based on the first transmission threshold, calculating a second transmission threshold locally for each of the distributed networks, based on whether data is transmitted by at least one transmitter belonging to the transmitter/receiver pairs, selectively determining whether data is transmitted for each of the distributed networks based on the second transmission threshold, and transmitting the data.Type: GrantFiled: November 11, 2021Date of Patent: April 30, 2024Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Joonhyuk Kang, Jinu Gong, Wanjik Kim, Dongwon Kim
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Publication number: 20240137024Abstract: A ternary logic element including a transistor and a switching element. The transistor includes a channel layer including silicon, an input electrode, an output electrode, and a control electrode. The switching element includes an emitter, a base extending from the emitter, and a collector extending from the base. When a first control voltage is applied to the control electrode, the ternary logic element outputs a first voltage, and when a second control voltage different from the first control voltage is applied to the control electrode, the ternary logic element outputs a second voltage different from the first voltage, and when a third control voltage different from the first control voltage and the second control voltage is applied to the control electrode, the ternary logic element outputs a third voltage different from the first voltage and the second voltage.Type: ApplicationFiled: August 6, 2023Publication date: April 25, 2024Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Yang Kyu CHOI, Joon Kyu HAN
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Publication number: 20240135682Abstract: An electronic device includes a memory configured to store at least one instruction; and at least one processor configured to execute the at least one instruction to: input first data to a first artificial intelligence model including a plurality of convolution blocks sequentially connected with a pooling layer interposed therebetween to obtain a plurality of feature maps that are output by corresponding ones of the plurality of convolution blocks, input the first data and the plurality of feature maps to a second artificial intelligence model including a plurality of local attention blocks sequentially connected to obtain a plurality of attention maps that are output by corresponding ones of the plurality of local attention blocks, output an amplified feature map by amplifying a region corresponding to a last attention map among the plurality of attention maps in a last feature map among the plurality of feature maps, and input the amplified feature map to a classifier to output a classification result for tType: ApplicationFiled: October 6, 2023Publication date: April 25, 2024Applicants: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Chan-Hyun Youn, Taewoo Kim, Changha Lee, Minsu Jeon
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Publication number: 20240137262Abstract: Provided is an electronic device including processing circuitry configured to generate at least one signal according to a first communication protocol by referencing a lookup table, the lookup table including simulation waveform information, and the simulation waveform information simulating a second communication protocol different from the first communication protocol, and transmit the at least one signal, the at least one signal including a data packet.Type: ApplicationFiled: September 17, 2023Publication date: April 25, 2024Applicants: Samsung Electronics Co., Ltd., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Seokwon YANG, Song Min KIM, Minseok KIM
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Patent number: 11965200Abstract: The present invention relates to a recombinant microorganism imparted with increased ability to produce glutaric acid by further introducing a gene encoding a polypeptide having glutaric acid transporter activity into a microorganism having ability to produce glutaric acid, and to a method of preparing glutaric acid using the recombinant microorganism. According to the present invention, glutaric acid used for the preparation of various compounds such as polyamide, polyurethane, 1,5-pentanediol, and 5-hydroxyvaleric acid can be biosynthesized at high yield.Type: GrantFiled: December 13, 2021Date of Patent: April 23, 2024Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Sang Yup Lee, Tae hee Han
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Patent number: 11968472Abstract: Disclosed are an image processing method and device using a line-wise operation. The image processing device, according to one embodiment, comprises: a receiver for receiving an image; at least one first line buffer for outputting the image into a line-wise image line; a first convolution operator for generating a feature map by performing a convolution operation on the basis of the output from the first line buffer; and a feature map processor for storing the output from the first convolution operator in units of at least one line, and processing so as to output the feature map stored in units of at least one line into a two-dimensional form, wherein at least one convolution operation operates in the form of a pipeline.Type: GrantFiled: December 12, 2018Date of Patent: April 23, 2024Assignee: Korea Advanced Institute of Science and TechnologyInventors: Mun Churl Kim, Yong Woo Kim, Jae Seok Choi
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Patent number: 11964327Abstract: The present disclosure relates to a method for preparing a functional composite powder and a functional composite powder, and more particularly, to a method for preparing a functional composite powder, the method including the steps of: preparing a metal material powder and an implantation material; adding the metal material powder and the implantation material into a mixer; and forming a functional composite powder by applying kinetic energy to the metal material powder and the implantation material in the mixer, and a functional composite powder prepared by the method.Type: GrantFiled: May 23, 2022Date of Patent: April 23, 2024Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Ho Jin Ryu, Tae Gyu Lee
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Patent number: 11962937Abstract: Disclosed are an image processing method and device using a line-wise operation. The image processing device, according to one embodiment, comprises: a receiver for receiving an image; a first convolution operator for generating a feature map by performing a convolution operation on the basis of the image; and a compressor for compressing the feature map into units of at least one line; and a decompressor for reconstructing the feature map compressed into units of lines.Type: GrantFiled: December 26, 2022Date of Patent: April 16, 2024Assignee: Korea Advanced Institute of Science and TechnologyInventors: Mun Churl Kim, Yong Woo Kim, Jae Seok Choi
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Patent number: 11961632Abstract: There is provided a fabrication method of conductive nanonetworks using a mastermold by which, in forming the conductive nanonetworks, electrical properties and optical properties of the conductive nanonetworks are improved by excluding contact resistance between nanowires and minimizing surface roughness of the conductive nanonetworks, and a nanoelectrode having a large area can be easily formed by applying a method of replicating the conductive nanonetworks on the mastermold to a substrate. The fabrication method of conductive nanonetworks using a mastermold includes: preparing a mastermold that has a conductive nanonetwork replicating region patterned in relief; coating the mastermold with a conductive material; and forming conductive nanonetworks on an application target substrate by replicating a conductive material, with which the conductive nanonetwork replicating region is coated, onto the application target substrate.Type: GrantFiled: December 1, 2021Date of Patent: April 16, 2024Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jung-Yong Lee, Kyungmin Kim
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Patent number: 11960804Abstract: A peridynamic method having an added mirroring node according to embodiments of the present invention includes: a first step of calculating a shape tensor of a first node; a second step of calculating force state vectors of the first node and each of a plurality of second nodes by using the shape tensor; and a third step of calculating a peridynamic motion equation of the first node by using the force state vectors. The first node is a node located on a boundary of a structure and has a predetermined size horizon region, the plurality of second nodes is nodes in the horizon region, the plurality of second nodes includes one or more third nodes, and the third node is a second node having no node at a point which is origin-symmetrical based on the first node among the plurality of second nodes. In the first step, the shape tensor is calculated by using a position value in which the third node is origin-symmetrical based on the first node.Type: GrantFiled: January 19, 2018Date of Patent: April 16, 2024Assignee: Korea Advanced Institute of Science And TechnologyInventors: Jung-Wuk Hong, Seong Eun Oh, Sang Eon Lee, Suyeong Jin