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31.发明申请LOW COMPLEXITY HIGH-ORDER SYNDROME CALCULATOR FOR BLOCK CODES AND METHOD OF CALCULATING HIGH-ORDER SYNDROME 有权用于块代码的低复杂度高阶综合征计算器和计算高阶综合征的方法公开(公告)号：US20150263764A1
公开(公告)日：2015-09-17
申请号：US14500803
申请日：2014-09-29
Applicant: Samsung Electronics Co., Ltd.
Inventor： Chang Soon Park , Hyo Sun Hwang , Young Jun Hong
IPC: H03M13/15
CPC classification number: H03M13/159 , H03M13/1545 , H03M13/1595 , H04L7/0029 , H04L25/03343 , H04L25/03872 , H04L27/2626
Abstract: A high-order syndrome calculator includes a serial-to-parallel converter configured to convert serial bit sequences received from a transmitter to a parallel multi-stream, an exclusive OR (XOR) operator configured to perform an XOR operation on bit values of the multi-stream, a zero interpolator configured to insert zero values between the bits on which the XOR operation is performed, and a linear feedback shift register configured to calculate a high-order syndrome value based on a coefficient of a remainder obtained by dividing, by a primitive polynomial, a polynomial generated from the multi-stream in which the zero values are inserted.
Abstract translation: 高阶校正子计算器包括串行到并行转换器，其被配置为将从发送器接收的串行比特序列转换成并行多流;异或（XOR）运算器，被配置为对多个比特的比特值执行异或运算 流，零内插器，被配置为在执行XOR操作的位之间插入零值;以及线性反馈移位寄存器，被配置为基于通过除以所获得的余数获得的余数的系数来计算高阶校正子值 原始多项式，从其中插入零值的多流生成的多项式。
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公开(公告)号：US12290344B2
公开(公告)日：2025-05-06
申请号：US18129396
申请日：2023-03-31
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Chang Soon Park , Ui Kun Kwon , Young Soo Kim , Hye Rim Lim
Abstract: An apparatus for estimating blood pressure may include: a photoplethysmogram (PPG) sensor configured to measure a PPG signal from a user; and a processor configured to: extract a cardiovascular feature from the PPG signal; calculate a first variation in the extracted cardiovascular feature compared to a reference cardiovascular feature measured at a reference time; determine a measurement posture of the PPG signal based on a time interval between two waveform components of the PPG signal; in response to the measurement posture corresponding to the reference posture, estimate the blood pressure based on the first variation; and in response to the measurement posture not corresponding to the reference posture, obtain a second variation by correcting the first variation; and estimate blood pressure based on the second variation.
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公开(公告)号：US12121335B2
公开(公告)日：2024-10-22
申请号：US17580312
申请日：2022-01-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Chang Soon Park , Ui Kun Kwon , Young Soo Kim , Dae Geun Jang
CPC classification number: A61B5/021 , A61B5/02416 , A61B5/029 , A61B5/7239 , A61B2560/0223
Abstract: An apparatus for estimating blood pressure is provided. The apparatus for estimating blood pressure according to an example embodiment includes: a sensor configured to measure a photoplethysmogram (PPG) signal from an object; and a processor configured to detect a position of a dicrotic notch based on a local maximum point and a local minimum point of a second-order derivative signal of the PPG signal, to obtain a first value and a second value from a first section and a second section of the PPG signal divided based on the dicrotic notch of the PPG signal, to obtain a pulse pressure feature value based on the first value and the second value, and to estimate blood pressure based on a variation in the obtained pulse pressure feature value compared to a reference pulse pressure feature value.
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公开(公告)号：US11911185B2
公开(公告)日：2024-02-27
申请号：US17675644
申请日：2022-02-18
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Chang Soon Park , Ui Kun Kwon , Yunseo Ku , Seung Woo Noh , Seung Keun Yoon , Dae Geun Jang
CPC classification number: A61B5/7225 , A61B5/021 , A61B5/14532 , A61B5/14546 , G16H50/20 , G16H50/30
Abstract: An apparatus for estimating bio-information may include: a bio-signal acquirer configured to acquire a bio-signal; and a processor configured to extract one or more first feature values from the bio-signal, determine a scale factor based on the first feature values, and to estimate bio-information based on the scale factor and the first feature values.
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公开(公告)号：US11844631B2
公开(公告)日：2023-12-19
申请号：US17867275
申请日：2022-07-18
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Chang Soon Park , Seung Keun Yoon , Dae Geun Jang
CPC classification number: A61B5/7239 , A61B5/0205 , G16H40/67 , G16H50/30 , A61B5/021 , A61B5/02007 , A61B5/165 , A61B5/681 , A61B5/6898
Abstract: An apparatus for estimating bio-information includes: a sensor configured to obtain a bio-signal from an object; and a processor configured to obtain a second-order differential signal of the bio-signal, to detect at least one of an inflection point in a predetermined period of the second-order differential signal, and a zero-crossing point in the predetermined period of the second-order differential signal, to extract a feature based on the detected at least one of the inflection point and the zero-crossing point, and to estimate bio-information based on the extracted feature.
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Patent Agency Ranking
公开(公告)号：US11660009B2
公开(公告)日：2023-05-30
申请号：US16811038
申请日：2020-03-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dae Geun Jang , Ui Kun Kwon , Chang Soon Park
CPC classification number: A61B5/02125 , A61B5/02007 , A61B5/02116 , A61B5/02416 , A61B5/7207 , A61B2560/0223
Abstract: Provided is an apparatus for non-invasively estimating bio-information by analyzing a pulse waveform. The apparatus for estimating bio-information according to an aspect of the present disclosure includes a processor configured to obtain a first characteristic point from a first pulse wave signal measured by a pulse wave sensor at a calibration time, obtain a second characteristic point from a second pulse wave signal measured by the pulse wave sensor at a bio-information estimation time, based on time information of the obtained first characteristic point, and estimate the bio-information of an object based on the obtained second characteristic point.
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公开(公告)号：US20230119697A1
公开(公告)日：2023-04-20
申请号：US17670684
申请日：2022-02-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Ui Kun KWON , Dae Geun Jang , Chang Soon Park , Young Soo Kim
Abstract: A method of evaluating quality of a bio-signal includes receiving an input bio-signal; setting a quality evaluation region in thebio-signal; dividing a signal of the quality evaluation region into a plurality of sub-signals; extracting a representative waveform by using the plurality of sub-signals; evaluating a quality of each sub-signal based on the representative waveform; and evaluating a quality of the signal in the quality evaluation region based on quality evaluation results of the plurality of sub-signals.
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公开(公告)号：US20230056434A1
公开(公告)日：2023-02-23
申请号：US17835577
申请日：2022-06-08
Applicant: Samsung Electronics Co., Ltd
Inventor： Dae Geun JANG , Chang Soon Park , Ui Kun Kwon , Young Soo Kim
Abstract: An apparatus for estimating blood pressure according to an example embodiment of the present disclosure includes: a pulse wave sensor configured to measure a pulse wave signal from an object; and a processor configured to obtain a first feature and a heart rate based on the pulse wave signal, estimate a mean arterial pressure (MAP) based on the first feature and the heart rate, and estimate a first blood pressure based on the MAP and a pulse pressure (PP).
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公开(公告)号：US11540779B2
公开(公告)日：2023-01-03
申请号：US16044013
申请日：2018-07-24
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seung Woo Noh , Yunseo Ku , Ui Kun Kwon , Youn Ho Kim , Chang Soon Park , Seung Keun Yoon , Dae Geun Jang
Abstract: A bio-information measuring apparatus bio-information measuring method are provided. The bio-information measuring apparatus includes: a pulse wave obtainer configured to obtain a pulse wave signal, and a processor configured to correct a feature of the obtained pulse wave signal based on a variation in an amplitude of the obtained pulse wave signal, and to measure bio-information based on the corrected feature.
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公开(公告)号：US11382572B2
公开(公告)日：2022-07-12
申请号：US16128060
申请日：2018-09-11
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Chang Soon Park , Ui Kun Kwon
Abstract: An apparatus for non-invasively estimating bio-information is provided. According to one exemplary embodiment, the apparatus may include a bio-signal acquirer configured to acquire a bio-signal; and a processor configured to extract a plurality of characteristic points from the bio-signal, determine internally dividing points of the plurality of characteristic points, and extract feature values from the bio-signal based on the internally dividing points to perform bio-information estimation.
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