公开(公告)号：US11432775B2

公开(公告)日：2022-09-06

申请号：US16589260

申请日：2019-10-01

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  UNIVERSITY OF MARYLAND, COLLEGE PARK

Inventor： Dae Geun Jang ,  Peyman Yousefian ,  Jin-Oh Hann ,  Ui Kun Kwon ,  Youn Ho Kim ,  Sungtae Shin

IPC: A61B5/021 ,  A61B5/00 ,  A61B5/11

Abstract: An apparatus for estimating blood pressure includes: a ballistocardiogram (BCG) sensor configured to measure a limb BCG signal from a user; and a processor configured to obtain blood pressure-related features from the measured limb BCG signal, according to sensing characteristics of the BCG sensor, and estimate a blood pressure of the user based on the obtained blood pressure-related features.

公开(公告)号：US20220071568A1

公开(公告)日：2022-03-10

申请号：US17149905

申请日：2021-01-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seung Keun Yoon ,  Ui Kun Kwon ,  Young Soo Kim ,  Dae Geun Jang

IPC: A61B5/00 ,  A61B5/021 ,  A61B5/11 ,  A61B5/0295 ,  A61B5/0535 ,  A61B5/313 ,  A61B5/308

Abstract: A method of determining regularity of a bio-signal is provided. The method of determining regularity of a bio-signal according may include acquiring a plurality of pulse waveforms of the bio-signal, acquiring a plurality of slope waveforms corresponding to the plurality of pulse waveforms, binarizing the plurality of slope waveforms, acquiring synchronization information of the plurality of pulse waveforms based on binarizing the plurality of pulse waveforms; acquiring a synchronization rate of a reference interval based on the synchronization information, and determining whether the bio-signal is regular or irregular based on the synchronization rate of the reference interval.

公开(公告)号：US20200054223A1

公开(公告)日：2020-02-20

申请号：US16359519

申请日：2019-03-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ui Kun KWON ,  Chang Soon Park ,  Dae Geun Jang

IPC: A61B5/021 ,  A61B5/00

Abstract: An apparatus for non-invasively estimating blood pressure is provided. Thee apparatus for estimating blood pressure may include a bio-signal measurer configured to measure a bio-signal from a user and a processor configured to estimate blood pressure using the measured bio-signal. The processor may extract a first feature and a second feature from the bio-signal at an extraction time, estimate changes in the first feature and the second feature which have occurred during a time period from a calibration time at which the first feature and the second feature are calibrated to the extraction time at which the first feature and the second feature are extracted, and estimate a blood pressure based on the changes in the first feature and the second feature.

公开(公告)号：US20190244704A1

公开(公告)日：2019-08-08

申请号：US16266510

申请日：2019-02-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youn Ho Kim ,  Byung Hoon Ko ,  Yunseo Ku ,  Yong Joo Kwon ,  Ui Kun Kwon ,  Young Soo Kim ,  Jin Young Park ,  Jong Wook Lee ,  Dae Geun Jang ,  Chang Mok Choi ,  Jae Min Kang ,  Seung Woo Noh ,  Sang Yun Park ,  Chang Soon Park ,  Seung Keun Yoon

IPC: G16H20/60 ,  A61B5/024 ,  A61B5/029 ,  A61B5/0488 ,  A61B5/145 ,  A61B5/0402 ,  A61B5/00

CPC classification number: G16H20/60 ,  A61B5/0006 ,  A61B5/0205 ,  A61B5/02416 ,  A61B5/029 ,  A61B5/0402 ,  A61B5/0488 ,  A61B5/14532 ,  A61B5/681 ,  A61B5/6823 ,  A61B5/6824 ,  A61B5/6829 ,  G16H50/20

Abstract: A dietary habit management apparatus and method are provided. The dietary habit management apparatus includes a bio-signal acquirer configured to acquire a bio-signal of a user, and a processor configured to obtain a total peripheral resistance (TPR) reflected index, from the bio-signal that is acquired by the bio-signal acquirer, and determine whether the user has eaten food, based on the TPR reflected index.

公开(公告)号：US12138020B2

公开(公告)日：2024-11-12

申请号：US18151847

申请日：2023-01-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dae Geun Jang

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

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.

公开(公告)号：US12121337B2

公开(公告)日：2024-10-22

申请号：US17227476

申请日：2021-04-12

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  University of Maryland, College Park

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.

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

IPC: A61B5/021 ,  A61B5/00 ,  A61B5/024 ,  A61B5/029

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.

公开(公告)号：US12102419B2

公开(公告)日：2024-10-01

申请号：US15906762

申请日：2018-02-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byung Hoon Ko ,  Seung Keun Yoon ,  Jong Wook Lee ,  Dae Geun Jang ,  Chang Mok Choi ,  Youn Ho Kim

IPC: A61B5/021 ,  A61B5/00 ,  A61B5/024 ,  A61B5/053 ,  G16H40/63 ,  G16H50/30

CPC classification number: A61B5/02108 ,  A61B5/02125 ,  G16H40/63 ,  G16H50/30 ,  A61B5/002 ,  A61B5/02416 ,  A61B5/053 ,  A61B5/7207 ,  A61B5/7246 ,  A61B5/7267 ,  A61B2560/0228

Abstract: A bio-information processing apparatus may include: a bio-signal measurer configured to measure a bio-signal; a bio-information receiver configured to receive first bio-information; and a processor configured to estimate second bio-information based on the bio-signal, and to correct the second bio-information based on measurement circumstances of the first bio-information and the second bio-information.

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

IPC: A61B5/021 ,  G16H50/30 ,  G16H50/20 ,  A61B5/00 ,  A61B5/145

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.

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

IPC: A61B5/00 ,  G16H50/30 ,  A61B5/02 ,  G16H40/67 ,  A61B5/0205 ,  A61B5/021 ,  A61B5/16

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.