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公开(公告)号：US20230099126A1
公开(公告)日：2023-03-30
申请号：US17678761
申请日：2022-02-23
Inventor： Youn Tae KIM , Jae Hyo JUNG , Min Gu KANG , Si Ho SHIN
Abstract: An apparatus for classifying mental stress includes a sequence folding layer configured to convert a sequence image of an electrocardiogram signal into an image in an array form; a CNN layer configured to generate a feature map by performing a convolution operation on the image in an array form; a sequence unfolding layer configured to convert the generated feature map into a sequence image; a flatten layer configured to convert the converted sequence image into one-dimensional data; and a long-short term memory network layer configured to extract feature values using a weighted value on the converted one-dimensional data; and a classification module configured to classify stress according to the extracted feature values.
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公开(公告)号：US20230015633A1
公开(公告)日：2023-01-19
申请号：US17535740
申请日：2021-11-26
Inventor： Wooyeol CHOI , Yonggang KIM
IPC: H04W72/12
Abstract: Disclosed is a method and an apparatus for multi-user scheduling for minimizing transmission delay. A method of multi-user scheduling for minimizing transmission delay according to an exemplary embodiment of the present invention includes: (a) clustering at least one station (STA) among a plurality of STAs to a terminal cluster based on transmission delay for each of the plurality of STAs; (b) transmitting a trigger frame including scheduling information about the terminal cluster including said at least one STA to said at least one STA; and (c) receiving uplink data from said at least one STA in response to the transmission of the trigger frame.
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93.发明授权公开(公告)号：US11558172B2
公开(公告)日：2023-01-17
申请号：US17236176
申请日：2021-04-21
Applicant: SAMSUNG ELECTRONICS CO., LTD. , SNU R&DB FOUNDATION , Industry Academic Cooperation Foundation Chosun University
Inventor： Jong Seon No , Yong Woo Lee , Eunsang Lee , Joon Woo Lee , Young Sik Kim
Abstract: An encryption method and apparatus based on homomorphic encryption using a composition of functions. The encryption method includes generating a ciphertext by encrypting data, and bootstrapping the ciphertext by performing a modular reduction based on a composition of a function for a modulus corresponding to the ciphertext.
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公开(公告)号：US11540782B2
公开(公告)日：2023-01-03
申请号：US16885665
申请日：2020-05-28
Inventor： Young Suk Shin
Abstract: A method for measuring and analyzing blood pressure using PPG includes receiving, by a computer, a PPG signal from a finger of a subject, dividing, by the computer, a normalization pulse wave signal derived from the received PPG signal into one or more predetermined windows, extracting, by the computer, a maximum lower amplitude value from one of the respective divided windows, extracting, by the computer, a target feature pattern from the extracted maximum lower amplitude value, deriving, by the computer, a first target unique vector and a second target unique vector with respect to the target feature pattern, using a linear discriminant analysis (LDA) algorithm to display the first target unique vector and the second target unique vector of the target feature pattern on 2-dimensional (2D) graph, and providing, by the computer, a blood pressure state of the subject, using the 2D graph.
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公开(公告)号：US20220416718A1
公开(公告)日：2022-12-29
申请号：US17778189
申请日：2020-08-12
Inventor： Hongrae KIM , Ho-Beom KIM , Jung-Kyu LEE , Youngbo SAGONG , Hyun-Ung OH , Ji-Seong GO
Abstract: The present invention relates to a solar panel to which a high-damping stacked reinforcement part is applied and, more specifically, to a solar panel to which a high-damping stacked reinforcement part is applied, comprising: a power generation unit for generating electrical energy; a coupling part to which the power generation unit is coupled, and which has a circuit formed therein; and a reinforcement part for reinforcing the rigidity of the coupling part and damping vibration to be transmitted, and thus the present invention can prevent the power generation unit from being damaged by vibration, or the solar panel from inducing wobbling of a satellite by failing to damp the vibration.
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Patent Agency Ranking
公开(公告)号：US20220394636A1
公开(公告)日：2022-12-08
申请号：US17535732
申请日：2021-11-26
Inventor： Wooyeol CHOI , Yonggang KIM
Abstract: Disclosed are data transmission method and apparatus using path diversity. The data transmission method using path diversity may include steps of: (a) calculating a delay robustness value representing path diversity for a routing path including at least one relay node; (b) determining a trade-off relationship between the delay robustness value and power consumption; (c) determining the power consumption and a routing path based on the trade-off relationship; and (d) transmitting data to a destination node through the routing path according to the power consumption.
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公开(公告)号：US20220368515A1
公开(公告)日：2022-11-17
申请号：US17740815
申请日：2022-05-10
Applicant: INDUSTRY ACADEMIC COOPERATION FOUNDATION CHOSUN UNIVERSITY , DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY , Seoul National University R&DB Foundation
Inventor： Young Sik KIM , Yongjune KIM , Jong Seon NO
IPC: H04L9/00
Abstract: Provided is a method for generating a fully homomorphic code, which includes: generating an Idempotent polynomial; and generating a fully homomorphic code message by using the generated Idempotent polynomial and a message.
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公开(公告)号：US20220304931A1
公开(公告)日：2022-09-29
申请号：US17424232
申请日：2021-06-03
Inventor： Tae-Hyoung KIM , Jung Hee PARK , Ji Hye HAN , Seung-Hyun MYUNG
IPC: A61K9/127 , A61K38/17 , A61K48/00 , A61K31/704 , A61K31/473 , C12N5/09 , C12N15/88
Abstract: The present invention relates to a method for producing extracellular vesicles (EV) in large quantities by using a peptide derived from Noxa protein that plays a key role in apoptosis and derivatives thereof, and the use of the peptide for promoting extracellular vesicle production and the method for producing extracellular vesicles by using the same of the present invention can efficiently and uniformly mass-produce extracellular vesicles, and can produce extracellular vesicles which load drugs passing poorly through cellular membranes as well as recombinant proteins or plasmid DNA.
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公开(公告)号：US20220239366A1
公开(公告)日：2022-07-28
申请号：US17455774
申请日：2021-11-19
Inventor： Suk-seung HWANG
IPC: H04B7/185
Abstract: A communication control apparatus and method of an artificial satellite are disclosed. The communication control apparatus includes a processor, a memory operatively connected to the processor, the memory being configured to store at least one piece of code to be executed by the processor, and a transmission and reception interface configured to communicate with a ground control center, wherein the memory stores code enabling the processor to receive location information of a signal generator on the ground from the ground control center, to calculate an angle of arrival for a target signal from the signal generator, received by the artificial satellite, based on the location information of the signal generator and location information of the ground control center, and to perform beamforming in a direction in which the artificial satellite detects the target signal based on the angle of arrival, when the code is executed by the processor.
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公开(公告)号：US20220183605A1
公开(公告)日：2022-06-16
申请号：US17527695
申请日：2021-11-16
Inventor： Youn Tae KIM , Jae Hyo JUNG , Kyeung Ho KANG , Si Ho SHIN , Min Gu KANG
Abstract: An apparatus for classifying stress includes an electrocardiogram (ECG) measurement module configured to measure an ECG signal in a first state, an idle state, and an ECG signal in a second state in which noise, having various magnitudes, is generated, a feature point extraction module configured to extract a feature point of each of the measured ECG signal in the first state and the measured ECG signal in the second state, and a clustering module configured to perform K-means clustering on the ECG signals in the first and second states based on the extracted feature points to classify stress.
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