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公开(公告)号：US12121337B2
公开(公告)日：2024-10-22
申请号：US17227476
申请日：2021-04-12
Inventor： Dae Geun Jang , Sungtae Shin , Jin-Oh Hahn , Ui Kun Kwon , Youn Ho Kim , Peyman Yousefian
IPC: A61B5/024 , A61B5/0205 , A61B5/021 , A61B5/11 , G06N7/01
CPC classification number: A61B5/02416 , A61B5/0205 , A61B5/02116 , A61B5/1102 , G06N7/01
Abstract: An apparatus for estimating bio-information of a user may include a first sensor configured to measure a first signal from the user; a second sensor configured to measure a second signal from the user; and a processor configured to obtain a first characteristic point from the first signal; obtain a second characteristic point from the second signal based on the first characteristic point and a pre-defined probability distribution function; and estimate the bio-information of the user based on the second characteristic point.
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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：US11896353B2
公开(公告)日：2024-02-13
申请号：US17589207
申请日：2022-01-31
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Ui Kun Kwon , Jae Min Kang , Youn Ho Kim , Sang Kon Bae , Jin Woo Choi , Chang Mok Choi
CPC classification number: A61B5/02116 , A61B5/021 , A61B5/6824 , A61B5/6815 , A61B5/746
Abstract: An apparatus for estimating bio-information is provided. The apparatus for estimating bio-information according to an embodiment includes: an ultrasonic sensor configured to acquire a bio-signal from an object; and a processor configured to detect peaks from the bio-signal, and to determine false detection of a peak, among the detected peaks, by using at least one of a time interval between a current peak and an immediately preceding peak, amplitudes of the current peak and the immediately preceding peak, a shape of a waveform on a left region and a right region of the peak, and an occurrence position of the peak.
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公开(公告)号：US11660053B2
公开(公告)日：2023-05-30
申请号：US16258878
申请日：2019-01-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seung Keun Yoon , Ui Kun Kwon , Dae Geun Jang
IPC: A61B5/00 , A61B5/0205 , G16H50/20 , A61B5/024
CPC classification number: A61B5/7282 , A61B5/0006 , A61B5/0205 , A61B5/681 , A61B5/7207 , A61B5/7235 , A61B5/0015 , A61B5/02416 , G16H50/20
Abstract: An apparatus and a method for monitoring a bio-signal measuring condition are disclosed. The apparatus includes a bio-signal receiver configured to receive a bio-signal that is measured from a user, and a processor configured to extract any one or any combination of a waveform feature, a period feature, and an amplitude feature, from the received bio-signal, determine whether the extracted any one or any combination of the waveform feature, the period feature, and the amplitude feature are normal, using at least one predetermined determination reference corresponding to the extracted any one or any combination of the waveform feature, the period feature, and the amplitude features, and monitor a measuring condition of the received bio-signal, based on whether the extracted any one or any combination of the waveform feature, the period feature, and the amplitude feature are determined to be normal.
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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：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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公开(公告)号：US20210393214A1
公开(公告)日：2021-12-23
申请号：US17322458
申请日：2021-05-17
Inventor： Dae Geun JANG , Peyman Yousefian , Jin-Oh Hahn , Ui Kun Kwon , Youn Ho Ho Kim , Sungtae Shin
Abstract: An apparatus for generating a blood pressure estimation model includes: a signal acquirer configured to receive input a first signal and a second signal from a user; and a processor configured to obtain a pulse transit time (PTT) as a first predictor variable value based on the first signal and the second signal, to extract at least one feature from the second signal, to obtain a second predictor variable value based on the extracted at least one feature, and to generate a blood pressure estimation model based on the first predictor variable value and the second predictor variable value.
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