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：US20210030278A1

公开(公告)日：2021-02-04

申请号：US16817021

申请日：2020-03-12

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  Industry-University Cooperation Foundation Hanyang University

Inventor： Jin Woo CHOI ,  Joon-Hyuk JANG ,  Youn Ho KIM ,  Chang Mok CHOI ,  Tae-Jun PARK ,  Kwangsub SONG

IPC: A61B5/022 ,  A61B5/021 ,  A61B5/00

Abstract: An apparatus for estimating bio-information includes a sensor part configured to measure a pulse wave signal and a contact force of an object, while the object is in contact with the sensor part. The apparatus further includes a processor configured to extract a first feature from the measured pulse wave signal and the measured contact force, select one estimation model from a plurality of estimation models, based on a second feature of a user corresponding to the object, and estimate the bio-information, by inputting the extracted first features in the selected estimation model.

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：US20230200731A1

公开(公告)日：2023-06-29

申请号：US17748557

申请日：2022-05-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sang Yun PARK ,  Jae Min KANG ,  Byung Hoon KO ,  Seung Woo NOH ,  Jin Woo CHOI

IPC: A61B5/00 ,  A61B5/021 ,  G06F1/16

CPC classification number: A61B5/681 ,  A61B5/6843 ,  A61B5/02108 ,  G06F1/163 ,  A61B2562/0247

Abstract: A wearable device includes a main body, a force sensor disposed on one surface of the main body and configured to measure a force, and a processor configured to control the force sensor to measure a first force when the one surface of the main body faces upwards, control the force sensor to measure a second force sensor when the one surface of the main body faces downward, and calibrate the force sensor based on at least one of the measured first force and the measured second force.

公开(公告)号：US20230070636A1

公开(公告)日：2023-03-09

申请号：US17541336

申请日：2021-12-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jae Min KANG ,  Seung Woo NOH ,  Sang Yun PARK ,  Jin Woo CHOI

IPC: A61B5/021 ,  A61B5/022 ,  A61B5/00

Abstract: An apparatus for estimating blood pressure is provided. The apparatus may include a pulse wave sensor configured to measure from an object, a plurality of pulse wave signals having different wavelengths, a force sensor configured to measure a contact force applied by the object to the pulse wave sensor, and a processor configured to extract, from the plurality of pulse wave signals, at least one similarity feature indicating a similarity between the plurality of pulse wave signals, and estimate the blood pressure based on the similarity and the contact force that is measured at a point in time at which the at least one similarity feature is extracted.

公开(公告)号：US20220061674A1

公开(公告)日：2022-03-03

申请号：US17360682

申请日：2021-06-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sang Yun PARK ,  Jae Min KANG ,  Seung Woo NOH ,  Jin Woo CHOI

IPC: A61B5/01 ,  A61B5/00 ,  A61B5/022 ,  A61B5/145 ,  A61B5/02

Abstract: An apparatus for measuring a body temperature includes: a light source part configured to emit a light onto an object; a thermochromic part configured to change a spectrum of the light, which is reflected or scattered from the object and passes therethrough, according to a thermochromic property of the thermochromic part; a light receiver configured to detect the light having passed through the thermochromic part; and a processor configured to determine a body temperature of the object by using the spectrum of the detected light.

公开(公告)号：US20200146568A1

公开(公告)日：2020-05-14

申请号：US16676647

申请日：2019-11-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sang Yun PARK ,  Jin Woo CHOI ,  Jae Min KANG ,  Youn Ho KIM ,  Chang Mok CHOI

IPC: A61B5/024 ,  A61B5/021 ,  A61B5/00 ,  A61B5/022

Abstract: A blood pressure measuring apparatus includes a pulse wave sensor configured to detect a pulse wave signal of an object, a pressure sensor configured to detect a contact pressure signal corresponding to a contact pressure between the object and the pulse wave sensor, and a processor configured to generate a pulse wave image based on the detected pulse wave signal of the object, generate a contact pressure image based on the detected contact pressure signal corresponding to the contact pressure between the object and the pressure sensor, and estimate a blood pressure of the object based on the generated pulse wave image, the generated contact pressure image, and a blood pressure estimation model.

公开(公告)号：US20250147177A1

公开(公告)日：2025-05-08

申请号：US18784187

申请日：2024-07-25

Applicant: SAMSUNG ELECTRONICS CO.,LTD.

Inventor： Sang Yun PARK ,  Byung Hoon KO ,  Seung Woo NOH ,  Jin Woo CHOI ,  Seung Tae KHANG

IPC: G01S15/32 ,  G01S7/536 ,  G01S7/62

Abstract: An apparatus for detecting an object may include: a transmitter configured to emit a frequency-modulated ultrasonic signal toward the object; a receiver configured to receive an echo signal from the object in response to the frequency-modulated ultrasonic signal being reflected from the object; a mixer configured to mix the frequency-modulated ultrasonic signal with the echo signal to output a mixer signal; and one or more processors configured to estimate a distance from the apparatus to the object based on the mixer signal, and detect a characteristic of the object based on the estimated distance.

公开(公告)号：US20230301593A1

公开(公告)日：2023-09-28

申请号：US17866940

申请日：2022-07-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byung Hoon KO ,  Seung Woo NOH ,  Tak Hyung LEE ,  Sang Yun PARK ,  Jin Woo CHOI

IPC: A61B5/00 ,  A61B5/024 ,  A61B5/021 ,  A61B5/022 ,  G01L1/24

CPC classification number: A61B5/6843 ,  A61B5/02427 ,  A61B5/02108 ,  A61B5/02225 ,  A61B5/6831 ,  G01L1/24 ,  A61B2562/0233

Abstract: Provided i an apparatus configured to estimate an optical-based force, the apparatus including a main body, a cover disposed at a first side of the main body and configured to contact an object, a support part connected to two sides of the cover, supporting the cover, and protruding toward an inside of the main body, and an optical sensor disposed on the support part, the optical sensor including a light source configured to emit light onto a reflector, a detector configured to detect light reflected from the reflector, and a circuit unit configured to estimate a contact force of the object based on the detected light.

公开(公告)号：US20220409072A1

公开(公告)日：2022-12-29

申请号：US17500620

申请日：2021-10-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jae Min KANG ,  Seung Woo NOH ,  Sang Yun PARK ,  Jin Woo CHOI

IPC: A61B5/021 ,  A61B5/022 ,  A61B5/00

Abstract: Provided is an apparatus configured to estimate bio-information, the apparatus including a pulse wave sensor including a plurality of channels disposed in an isotropic shape, a force sensor configured to measure a force applied by an object to the pulse wave sensor, and a processor configured to detect a center of gravity based on pressure, applied by the object, in a space formed by the plurality of channels based on pulse wave signals measured by each of the plurality of channels included in the pulse wave sensor, provide a user with guide information with respect to contact of the object to the pulse wave sensor based on the detected center of gravity, and estimate bio-information based on the pulse wave signals and the force which are measured based on the guide information.