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公开(公告)号：US12029592B2
公开(公告)日：2024-07-09
申请号：US17410651
申请日：2021-08-24
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Ui Kun Kwon , Yunseo Ku , Seung Woo Noh , Chang Soon Park , Seung Keun Yoon , Dae Geun Jang
IPC: A61B5/00 , A61B5/02 , A61B5/0205 , A61B5/021 , A61B5/024 , A61B5/029 , A61B5/11 , A61B5/318 , A61B5/389
CPC classification number: A61B5/7278 , A61B5/0205 , A61B5/021 , A61B5/02116 , A61B5/02125 , A61B5/029 , A61B5/681 , A61B5/02007 , A61B5/02028 , A61B5/02108 , A61B5/02416 , A61B5/1102 , A61B5/318 , A61B5/389
Abstract: A blood pressure estimating apparatus includes a sensor configured to obtain a bio-signal of an object; and a processor configured to extract a first cardiovascular feature and a second cardiovascular feature based on the bio-signal, and estimate blood pressure based on a first changing tendency of the first cardiovascular feature from a first reference level and a second changing tendency of the second cardiovascular feature from a second reference level, the first changing tendency and the second changing tendency being independent from each other.
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公开(公告)号：US11969234B2
公开(公告)日：2024-04-30
申请号：US16880458
申请日：2020-05-21
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dae Geun Jang , Ui Kun Kwon
CPC classification number: A61B5/02225 , A61B5/02007 , A61B5/02116 , A61B5/02233 , A61B5/681 , A61B5/725 , G16H50/30
Abstract: An apparatus for estimating bio-information includes a bio-signal obtainer configured to obtain a bio-signal from an object; and a processor configured to: obtain function values by applying a predetermined function to sections of the bio-signal, corresponding to respective windows of a predetermined size, while sliding a window on a time axis of the bio-signal, obtain an oscillometric waveform envelope based on the obtained function values, and estimate bio-information of the object based on the oscillometric waveform envelope.
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公开(公告)号：US11622692B2
公开(公告)日：2023-04-11
申请号：US16904732
申请日：2020-06-18
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Chang Mok Choi , Dae Geun Jang
IPC: A61B5/0205 , A61B5/02 , A61B5/16 , A61B5/00 , A61B5/021 , A61B5/022 , A61B5/024 , A61B5/0535
Abstract: A signal processing apparatus includes a memory configured to store instructions; and a processor configured to execute the instructions to obtain a signal; obtain a frequency band spectrum by applying a Fast Fourier Transform (FFT) to the obtained signal; and remove noise from the obtained spectrum by applying a first filter and a second filter, which are different from each other, to the obtained frequency band spectrum.
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公开(公告)号：US11457872B2
公开(公告)日：2022-10-04
申请号：US16200141
申请日：2018-11-26
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dae Geun Jang , Ui Kun Kwon , Seung Keun Yoon
Abstract: A bio-signal quality assessment apparatus may include: a bio-signal obtainer configured to obtain a bio-signal; and a processor configured to extract periodic signals from the obtained bio-signal, and determine a signal quality index based on at least one of similarity between the extracted periodic signals and signal variability of the obtained bio-signal.
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公开(公告)号：US11426130B2
公开(公告)日：2022-08-30
申请号：US16414446
申请日：2019-05-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dae Geun Jang , Ui Kun Kwon , Chang Soon Park
Abstract: An apparatus for non-invasively estimating blood pressure is provided. According to one embodiment, the apparatus for estimating blood pressure may include a bio-signal sensor configured to measure a bio-signal from a user and a processor configured to extract a feature from the bio-signal at an extraction time, acquire an offset based on a relative change value of the feature extracted at the extraction time, relative to a reference value of the feature obtained a time of calibration, and estimate blood pressure based on the relative change value of the extracted feature and the acquired offset.
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Patent Agency Ranking
公开(公告)号：US11419561B2
公开(公告)日：2022-08-23
申请号：US15856234
申请日：2017-12-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Chang Soon Park , Ui Kun Kwon , Dae Geun Jang , Young Soo Kim
IPC: A61B5/021 , A61B5/00 , A61B5/029 , A61B5/11 , A61B5/026 , A61B5/02 , A61B5/0205 , A61B5/318 , A61B5/389
Abstract: An adaptive bio-signal feature combining apparatus includes: a feature extractor configured to extract first feature values and second feature values from a bio-signal of an object; a stable interval determiner configured to determine at least one stable interval in the bio-signal; a statistical variable calculator configured to calculate a statistical variable value of a first feature and a statistical variable value of a second feature for each of the at least one stable interval based on the first and second feature values extracted from the at least one stable interval; and a feature combiner configured to calculate an integrated combining coefficient that is used to combine the first feature and the second feature, based on the statistical variable value of the first feature and the statistical variable value of the second feature.
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公开(公告)号：US11419557B2
公开(公告)日：2022-08-23
申请号：US16874843
申请日：2020-05-15
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Chang Soon Park , Seung Keun Yoon , Dae Geun Jang
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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公开(公告)号：US20200221960A1
公开(公告)日：2020-07-16
申请号：US16595714
申请日：2019-10-08
Applicant: Samsung Electronics Co., Ltd.
Inventor： Dae Geun Jang
Abstract: An apparatus for estimating blood pressure, includes a pulse wave sensor configured to measure a first pulse wave signal from a user, and a processor configured to differentiate or integrate the measured first pulse wave signal to obtain a reference signal, correct the measured first pulse wave signal, based on the obtained reference signal, to obtain a second pulse wave signal, and estimate the blood pressure, based on the obtained second pulse wave signal.
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公开(公告)号：US20240225457A1
公开(公告)日：2024-07-11
申请号：US18141765
申请日：2023-05-01
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hye Rim LIM , Ui Kun Kwon , Young Soo Kim , Chang Soon Park , Dae Geun Jang
CPC classification number: A61B5/021 , A61B5/02416 , A61B5/4561 , A61B5/7278
Abstract: Apparatus and method for estimating blood pressure, including a plurality of sensors; and at least one processor configured to: determine situation information and posture information prior to estimation of blood pressure of a user based on data acquired using the plurality of sensors, select a cardiovascular feature from among a plurality of predetermined cardiovascular features based on the situation information and the posture information, generate a blood pressure estimation model based on the cardiovascular feature, the situation information, and the posture information, and estimate the blood pressure of the user based on the generated blood pressure estimation model.
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公开(公告)号：US11950891B2
公开(公告)日：2024-04-09
申请号：US16547230
申请日：2019-08-21
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dae Geun Jang
CPC classification number: A61B5/02438 , A61B5/6824 , A61B5/6831 , A61B5/7203 , A61B5/7235
Abstract: An apparatus for estimating bio-information, includes a pulse wave sensor configured to measure a pulse wave signal from a user, and a processor configured to obtain two or more parameters among a maximum point, an average point, and an onset point, from a waveform of the measured pulse wave signal, and combine the obtained two or more parameters to generate a pulse wave analysis result.
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