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91.发明申请公开(公告)号：US20200375550A1
公开(公告)日：2020-12-03
申请号：US16885665
申请日：2020-05-28
发明人： Young Suk SHIN
摘要： 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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92.发明申请公开(公告)号：US20200287722A1
公开(公告)日：2020-09-10
申请号：US16699097
申请日：2019-11-28
申请人： Seoul National University R&DB Foundation , Industry-Academic Cooperation Foundation, Chosun University
发明人： Jong Seon NO , Young Sik KIM , Yong Woo LEE , Wi Jik LEE
摘要： Provided is an electronic signature technique depending on a diametrically different algorithm from the existing asymmetric key infrastructure electronic signature technique which generates predetermined syndrome data based on a message to be transmitted a data receiving device and then detects an error vector for an electronic signature from the syndrome data by using a parity check matrix and then generates an electronic signature value based on an error vector for the electronic signature and transmits the generated electronic signature value to the data receiving device.
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93.发明申请公开(公告)号：US20200209345A1
公开(公告)日：2020-07-02
申请号：US16665312
申请日：2019-10-28
发明人： Suk Seung Hwang
IPC分类号： G01S5/14
摘要： Provided are a method and apparatus for location estimation of terminals in a wireless communication system. A method of operating a positioning apparatus may include (a) calculating distances between a terminal and first, second, and third base stations, (b) creating first, second, and third circles centered at locations of the first, second, and third base stations with radii corresponding to the distances, (c) calculating intersection distances between two intersections formed by the second circle, which is the smallest circle, and one of the first circle and the third circle and the other two intersections formed by the first circle and the third circle, and (d) determining one of the intersections corresponding to the shortest distance among the intersection distances as the terminal's location.
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公开(公告)号：US10442689B2
公开(公告)日：2019-10-15
申请号：US15821568
申请日：2017-11-22
发明人： Young-Nam Chun
摘要： The present disclosure relates to a microwave reforming apparatus for gas reforming, and provides a new technology of converting carbon dioxide which is a main greenhouse gas generated during combustion, pyrolysis/gasification, and operation of fossil fuels, methane, and dispersions thereof into high-quality fuels. A microwave reforming apparatus according to the present disclosure uses a carbon receptor and thus can solve the conventional problem of price of catalyst and also enables compactification of a device, rapid startup and response time in several seconds, and application of various kinds of product gases including polymer hydrocarbon. Also, the microwave reforming apparatus according to the present disclosure uses its own internal reaction heat at the time of reforming and thus can maintain the optimum operating conditions for a wide range of flow rate and gas properties. Therefore, it is possible to solve the conventional problem with the time required for normal operation and the efficiency of a reforming apparatus.
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公开(公告)号：US10433750B2
公开(公告)日：2019-10-08
申请号：US15391457
申请日：2016-12-27
发明人： Sung-Bum Pan , Gyu-Ho Choi , Hae-Min Moon , Youn-Tae Kim
IPC分类号： A61B5/0456 , A61B5/04 , A61B5/00 , A61B5/117
摘要： Disclosed are a method for generating an electrocardiogram for personal identification and a method for identifying a person using the electrocardiogram. The electrocardiogram generation method generates a normalized electrocardiogram by extracting single-cycle electrocardiogram signals meaningful for personal identification from an electrocardiogram of a person and by connecting the extracted single-cycle electrocardiogram signals arranged in temporal order. Therefore, the electrocardiogram generation method dramatically increases identification accuracy in personal identification.
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公开(公告)号：US10279420B2
公开(公告)日：2019-05-07
申请号：US15333539
申请日：2016-10-25
发明人： Dong Gyu Ahn , Ho Jin Lee
IPC分类号： B23K15/00 , B33Y10/00 , B22F1/00 , B22F3/105 , B23K15/06 , B23K103/02 , B33Y40/00 , B23K103/00
摘要： Provided is a rapid manufacturing process of ferrous and non-ferrous parts using a plasma electron beam in which the plasma electron beam is workable even in a low vacuum pressure environment and has a relatively large radiation range, productivity of the process is improved as a high-power beam can be emitted to a ferrous and non-ferrous powder, and production costs are reduced due to low maintenance and manufacturing costs.
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公开(公告)号：US20190009243A1
公开(公告)日：2019-01-10
申请号：US16067339
申请日：2017-02-14
发明人： Dong-Chan SHIN , Ki-Hyun KIM , Yong-Taeg OH
IPC分类号： B01J19/12 , B01D17/00 , C07D233/58 , C07C311/03
摘要： A method of decoloring an ionic liquid includes preparing a discolored ionic liquid, and decoloring the discolored ionic liquid through irradiation with UV rays. An ionic liquid that is discolored due to heat treatment upon purification is decolored and can thus be reused. The method of decoloring the ionic liquid is effective because an ionic liquid, which is discolored due to heat treatment upon purification, can be decolored in a simple manner and also because an ionic liquid, which is discolored and is thus difficult to apply to the purification of an organic material, can be decolored in a simple manner, and can thus be reused in the form of a high-purity ionic liquid.
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98.发明申请公开(公告)号：US20180145832A1
公开(公告)日：2018-05-24
申请号：US15817293
申请日：2017-11-20
申请人： Seoul National University R&DB Foundation , Industry-Academic Cooperation Foundation, Chosun University
发明人： Jong-Seon NO , Wijik LEE , Young-Sik KIM
CPC分类号： H04L9/304 , H03M13/136 , H03M13/616 , H03M13/6362 , H04L9/0861
摘要： Disclosed are a data encryption apparatus and a data encryption method using an encryption key based on puncturing of a generator matrix. Bit values located in a column at a specific point are punctured from a generator matrix of a Reed-Muller (RM) code and thereafter, encryption of a message is performed through a public key generated by using the punctured generator matrix to defend an attack from a third party based on a structure of the RM code by change of the structure of the generator matrix, thereby solving security vulnerability caused as the existing McEliece encryption system uses the generator matrix of the RM code having a special structure as it is.
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公开(公告)号：US20170316894A1
公开(公告)日：2017-11-02
申请号：US15499516
申请日：2017-04-27
发明人： Hyo-Sang Choi , Sang-Yong Park , In-Sung Jeong , Hye-Won Choi , Jun-Beom KIM , Yu-Kyeong Lee , No-A Park , Sun-Ho Hwang
CPC分类号： H01H33/12 , H01H33/004 , H01H33/596 , H02H7/001 , H02H9/023 , Y02E40/68 , Y02E40/69
摘要： A superconducting arcing induction type DC circuit breaker includes a superconducting fault current limiter and an arcing induction type DC circuit breaker connected in series to each other. The arcing induction type DC circuit breaker includes an induction member that has a through-hole, is continuously formed in a 360-degree direction, and has a certain shape and thickness, and an induction needle that protrudes from an inner surface of the induction member toward a center of the induction member. A contact point where an anode and a cathode, which are mechanical contacts, approach from opposite directions and come into contact with each other is formed in the through-hole of the induction member, and the anode and the cathode are separated in a direction far away from each other. The induction needle induces arc generated upon contact opening when the anode and the cathode are separated from each other in the event of system accident of DC power or AC power, and the induction member quenches the induced arc by the flow of the induced arc to ground through a ground line.
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公开(公告)号：US09795339B2
公开(公告)日：2017-10-24
申请号：US14879124
申请日：2015-10-09
发明人： Youn Tae Kim , Jae Hyo Jung , Ji Hoon Lee , Si Ho Shin
CPC分类号： A61B5/6801 , A61B5/02444 , A61B5/0245 , A61B5/0416 , A61B5/0488 , A61B5/6805 , A61B2562/0209 , A61B2562/162 , H04Q9/00
摘要： A sensor for measuring biometric information includes a biometric electrode sensing biometric information in a state in which the biometric electrode is in contact with a surface of the skin; and a signal line transmitting the sensed biometric information, wherein the biometric electrode is printed on an inner surface of an item of clothing that comes into contact with a human body.
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