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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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公开(公告)号：US11890081B2
公开(公告)日：2024-02-06
申请号：US16595714
申请日：2019-10-08
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dae Geun Jang
CPC classification number: A61B5/02108 , A61B5/7239 , A61B5/7242 , A61B5/7278 , A61B2560/0223
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：US11576584B2
公开(公告)日：2023-02-14
申请号：US16044020
申请日：2018-07-24
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dae Geun Jang
Abstract: An apparatus and method for detecting a bio-signal feature are provided. The apparatus according to one aspect may include: a bio-signal acquirer configured to acquire a bio-signal; and a processor configured to generate an envelope signal of the bio-signal, and detect at least one feature of the bio-signal based on a difference between the envelope signal and the bio-signal.
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公开(公告)号：US20220233079A1
公开(公告)日：2022-07-28
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
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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Patent Agency Ranking
公开(公告)号：US11123022B2
公开(公告)日：2021-09-21
申请号：US16160570
申请日：2018-10-15
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 , A61B5/029 , A61B5/021 , A61B5/0205 , A61B5/11 , A61B5/024 , A61B5/02 , 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：US20210282648A1
公开(公告)日：2021-09-16
申请号：US17010949
申请日：2020-09-03
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Chang Soon PARK , Ui Kun Kwon , Young Soo Kim , Seung Keun Yoon , Dae Geun Jang
IPC: A61B5/0245 , A61B5/021 , A61B5/024
Abstract: An apparatus for estimating bio-information, the apparatus including a sensor configured to obtain a bio-signal of a subject; and a processor configured to estimate a variation in a Cardiac Output (CO)-related feature from the bio-signal, and obtain a progressive wave component, which is associated with a Total Peripheral Resistance (TPR)-related feature, from the bio-signal based on an estimation result of estimating the variation.
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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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