公开(公告)号：US20230329566A1

公开(公告)日：2023-10-19

申请号：US17968309

申请日：2022-10-18

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)

Inventor： Sang Kon BAE ,  Joon-Hyuk CHANG ,  Youn Ho KIM ,  Jin Woo CHOI ,  Jehyun KYUNG ,  Joon-Young YANG ,  Ye-Rin JEOUNG ,  Jeong-Hwan CHOI

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

CPC classification number: A61B5/02108 ,  A61B5/02416 ,  A61B5/6843 ,  A61B5/7267 ,  A61B5/7278

Abstract: An apparatus for estimating blood pressure includes: a photoplethysmogram (PPG) sensor configured to measure a PPG signal from an object; a force sensor configured to measure a force signal acting between the object and the PPG sensor; and a processor configured to (i) divide a predetermined blood pressure range into a plurality of classes, (ii) input the measured PPG signal and the measured force signal into a blood pressure estimation model to obtain the probability values for each of the classes, and (iii) estimate blood pressure based on the obtained probability values for the respective classes.

公开(公告)号：US20220061755A1

公开(公告)日：2022-03-03

申请号：US17522492

申请日：2021-11-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ka Ram CHOI ,  Hyo Sun HWANG ,  Jin Young PARK ,  Jae Wook SHIM ,  So Young LEE ,  Sang Kon BAE ,  Eui Seok SHIN

IPC: A61B5/00 ,  A61B5/026 ,  A61B5/145

Abstract: A healthcare apparatus according to an embodiment includes: a plurality of light sources configured to emit light of different wavelengths onto an object; a light detector configured to measure an optical signal of each of the wavelengths by receiving light reflected or scattered from the object; and a processor configured to obtain a blood glucose level and a blood flow index by using the optical signal of each of the wavelengths, and to estimate at least one from among dietary information and dietary metabolism state information by monitoring a blood glucose level change and a blood flow index change after ingestion of a food.

公开(公告)号：US20220378306A1

公开(公告)日：2022-12-01

申请号：US17404238

申请日：2021-08-17

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)

Inventor： Sang Kon BAE ,  Joon-Hyuk CHANG ,  Jin Woo CHOI ,  Jehyun KYUNG ,  Youn Ho KIM ,  Inmo YEON

IPC: A61B5/021 ,  A61B5/00 ,  A61B5/02 ,  A61B5/16 ,  G06N3/04 ,  G16H10/60 ,  G16H50/30

Abstract: An apparatus for estimating bio-information is provided. According to an embodiment of the present disclosure, the apparatus for estimating bio-information includes: a pulse wave sensor having a plurality of channels to measure a plurality of pulse wave signals from an object; a force sensor configured to obtain a force signal by measuring an external force exerted onto the pulse wave sensor; and a processor configured to: obtain a first feature for each channel by inputting the plurality of pulse wave signals for each channel and the force signal, into a first neural network model; obtain a weight for each channel by inputting the first feature to a second neural network model; obtain a second feature by applying the weight to the first feature for each channel by using the second neural network model; and obtain bio-information by inputting the second feature to a third neural network model.

公开(公告)号：US20210134453A1

公开(公告)日：2021-05-06

申请号：US16832467

申请日：2020-03-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sang Kon BAE ,  So Young Lee

IPC: G16H40/63

Abstract: An apparatus for estimating bio-information is provided. The apparatus includes: a sensor configured to obtain a calibration data set and an estimation data set from an object; and a processor configured to set outlier removal criteria and generate an estimation model based on the calibration data set, and estimate bio-information based on the estimation data set, the outlier removal criteria, and the estimation model.

公开(公告)号：US20200237312A1

公开(公告)日：2020-07-30

申请号：US16749514

申请日：2020-01-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ibrahim ABDUL MAJEED ,  Sujit JOS ,  Rahul ARORA ,  Ka Ram CHOI ,  Sang Kon BAE

IPC: A61B5/00 ,  A61B5/024

Abstract: A method and apparatus for pre-processing a photoplethysmogram (PPG) signal include receiving, by an apparatus, the PPG signal including a plurality of pulses, obtaining, by the apparatus, a smoothed PPG signal based on smoothing the PPG signal using a moving average filter, obtaining, by the apparatus, a drift removed PPG signal based on removing drift from the smoothed PPG signal using a fitted polynomial function, and obtaining, by the apparatus, a rectified PPG signal based on correcting a motion artifact of the drift removed PPG signal by replacing each of the plurality of pulses using a combination of a global signal pulse and a corresponding local signal pulse.

公开(公告)号：US20180146899A1

公开(公告)日：2018-05-31

申请号：US15810916

申请日：2017-11-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： So Young LEE ,  Sang Kyu KIM ,  Sang Kon BAE ,  Yun S. PARK

IPC: A61B5/145 ,  A61M5/172 ,  G01N33/66

CPC classification number: A61B5/14532 ,  A61B5/1459 ,  A61B5/1495 ,  A61M5/1723 ,  G01N33/66

Abstract: An apparatus for non-invasively estimating a biological component is provided. The apparatus may include: a sensor configured to measure a calibration spectrum for a first duration and measure a biological component estimation spectrum for a second duration, based on light returning from an object; and a processor configured to remove a signal of a biological component from the calibration spectrum to obtain a background spectrum for the first duration, and estimate the biological component, based on the background spectrum and the biological component estimation spectrum, for the second duration in response to a command for measuring the biological component.

公开(公告)号：US20210282676A1

公开(公告)日：2021-09-16

申请号：US17329921

申请日：2021-05-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： So Young LEE ,  Sang Kyu KIM ,  Sang Kon BAE ,  Yun S PARK

IPC: A61B5/145 ,  A61B5/1459 ,  A61B5/1495 ,  A61M5/172 ,  G01N33/66

Abstract: An apparatus for non-invasively estimating a biological component is provided. The apparatus may include: a sensor configured to measure a calibration spectrum for a first duration and measure a biological component estimation spectrum for a second duration, based on light returning from an object; and a processor configured to remove a signal of a biological component from the calibration spectrum to obtain a background spectrum for the first duration, and estimate the biological component, based on the background spectrum and the biological component estimation spectrum, for the second duration in response to a command for measuring the biological component.

公开(公告)号：US20200323493A1

公开(公告)日：2020-10-15

申请号：US16828364

申请日：2020-03-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Rahul ARORA ,  Sujit JOS ,  Ibrahim ABDUL MAJEED ,  Ka Ram CHOI ,  Sang Kon BAE

IPC: A61B5/00 ,  A61B5/024 ,  A61B5/021 ,  A61B5/145

Abstract: The present disclosure relates to a method and system for processing a photoplethysmogram (PPG) signal to improve accuracy of measurement of physiological parameters of a subject. The method may include removing a baseline drift from the PPG signal; obtaining a drift removed signal; filtering the drift removed signal; obtaining a filtered signal; performing motion artifact correction on the filtered signal; and obtaining a corrected signal.

公开(公告)号：US20200077961A1

公开(公告)日：2020-03-12

申请号：US16415079

申请日：2019-05-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ka Ram CHOI ,  Sang Kon BAE ,  So Young LEE

IPC: A61B5/00 ,  A61B5/0205

Abstract: An apparatus for health care which guides a user to measure a target component. According to one embodiment, the apparatus for health care may include a physiological information acquirer configured to acquire physiological information related to a target component and a processor configured to monitor a measurement event of the target component based on the acquired physiological information and guide a user to measure the target component based on a monitoring result.

公开(公告)号：US20190154656A1

公开(公告)日：2019-05-23

申请号：US15897921

申请日：2018-02-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sang Kon BAE ,  Eui Seok SHIN ,  So Young LEE ,  Yun S. PARK

IPC: G01N33/49 ,  G01N21/3577 ,  G01N21/65 ,  G01N21/31

Abstract: Provided is an apparatus for estimating bio-information in a non-invasive manner. According to an exemplary embodiment, the bio-information estimation apparatus includes: a spectrum measurer configured to measure a spectrum of light reflected from an object; a temperature measurer configured to measure the temperature of the object while the spectrum measurer measures the spectrum of light reflected from the object; and a processor configured to calculate a spectrum correction factor, including one or more of a correction factor of a gain, a constant, and a slope, based on the measured temperature of the object, and to adjust the measured spectrum by using the calculated correction factor.