公开(公告)号：US12127858B2

公开(公告)日：2024-10-29

申请号：US17828786

申请日：2022-05-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chang Soon Park ,  Ui Kun Kwon

IPC: A61B5/00 ,  A61B5/02 ,  A61B5/021 ,  A61B5/024 ,  A61B5/16 ,  G16H50/20

CPC classification number: A61B5/7278 ,  A61B5/02007 ,  A61B5/02116 ,  A61B5/02125 ,  A61B5/02416 ,  A61B5/165 ,  G16H50/20

Abstract: An apparatus for non-invasively estimating bio-information 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. The plurality of characteristic points may include a first time point and a second time point when the pulse wave signal includes a first component pulse wave that has a maximum amplitude at the first time point, and a second component pulse wave that has a maximum amplitude at the second time point.

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.

公开(公告)号：US20240172945A1

公开(公告)日：2024-05-30

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

IPC: A61B5/021 ,  A61B5/00 ,  A61B5/029

CPC classification number: A61B5/02116 ,  A61B5/029 ,  A61B5/7239 ,  A61B5/7246 ,  A61B5/7278 ,  A61B5/02416

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.

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

IPC: A61B5/022 ,  A61B5/00 ,  A61B5/02 ,  A61B5/021 ,  G16H50/30

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.

公开(公告)号：US11911189B2

公开(公告)日：2024-02-27

申请号：US16419297

申请日：2019-05-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Changmok Choi ,  Seungkeun Yoon ,  Ui Kun Kwon ,  Sang-Joon Kim

IPC: A61B5/02 ,  A61B5/00 ,  A61B5/021 ,  A61B5/024 ,  A61B5/349

CPC classification number: A61B5/7282 ,  A61B5/02108 ,  A61B5/02416 ,  A61B5/7235 ,  A61B5/02438 ,  A61B5/349 ,  A61B5/681 ,  A61B5/7225

Abstract: A method and apparatus for processing a biosignal is disclosed. The apparatus may extract reference points from a waveform of a biosignal, determine a pulse direction of the biosignal based on the extracted reference points, and determine a feature point of the biosignal based on a feature point determining method corresponding to the determined pulse direction of the biosignal.

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

IPC: A61B5/00 ,  G16H40/63 ,  A61B5/0205 ,  A61B5/35 ,  A61B5/024 ,  A61B5/11 ,  A61B7/04

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.

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

IPC: A61B5/021 ,  A61B5/024 ,  A61B5/029 ,  A61B5/318 ,  A61B5/389 ,  A61B5/00 ,  A61B5/11

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.

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.

公开(公告)号：US11250940B2

公开(公告)日：2022-02-15

申请号：US16702619

申请日：2019-12-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Changmok Choi ,  Ui Kun Kwon ,  Jaechun Lee ,  Jongwook Lee ,  Ha-Neul Lee

IPC: G16H20/30 ,  A61B5/11 ,  H04M1/72412 ,  A61B5/0205 ,  A61B5/00 ,  A61B5/024 ,  A63B24/00

Abstract: An exercise feedback provision apparatus includes an acquirer configured to acquire exercise intensity information including either one or both of user biometric information and user movement information, and a controller configured to verify whether the exercise intensity information is in a predetermined range, and generate a control signal based on a result of the verifying. The apparatus further includes a feedback provider configured to output a tactile feedback based on a pattern corresponding to the control signal.

公开(公告)号：US10826544B2

公开(公告)日：2020-11-03

申请号：US16733617

申请日：2020-01-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ui Kun Kwon ,  Chang Soon Park ,  Seungkeun Yoon ,  Sang Joon Kim ,  Jaechun Lee ,  Changmok Choi

IPC: H04K1/02 ,  H04B1/04 ,  H04L25/06 ,  H04B1/12 ,  H04L25/03

Abstract: A signal processing method, a signal filtering apparatus, and a signal processing apparatus are provided. An input signal may be input into a filter having a passband, a superfluous signal of the passband may be output from the filter, and a target signal may be obtained by subtracting the superfluous signal from the input signal.