公开(公告)号：US20230131673A1

公开(公告)日：2023-04-27

申请号：US17970197

申请日：2022-10-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ui Kun KWON ,  Jae Min KANG ,  Youn Ho KIM ,  Sang Kon BAE ,  Jin Woo CHOI ,  Chang Mok CHOI

IPC: A61B5/349 ,  A61B5/372

Abstract: An apparatus for estimating bio-information is provided. The apparatus for estimating bio-information by using an ultrasonic signal according to an embodiment of the present disclosure includes: an ultrasonic sensor configured to acquire an ultrasonic signal from an object; and a processor configured to detect peaks from the acquired ultrasonic signal, and to determine false detection of a peak, among the detected peaks, by using at least one of amplitudes of the detected peaks or a left waveform shape and a right waveform shape of the peak.

公开(公告)号：US20230130494A1

公开(公告)日：2023-04-27

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

IPC: A61B5/00 ,  A61B5/021

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.

公开(公告)号：US20250116772A1

公开(公告)日：2025-04-10

申请号：US18589041

申请日：2024-02-27

Applicant: SAMSUNG ELECTRONICS CO, LTD.

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

IPC: G01S15/34 ,  G01S7/534 ,  G01S15/89

Abstract: An ultrasonic distance sensor is provided. The ultrasonic distance sensor according to an embodiment includes: a signal generator configured to generate a frequency-modulated continuous ultrasonic signal array; a gating switch configured to perform time gating to allow part of ultrasonic signals in the continuous ultrasonic signal array to pass therethrough; a transmitter configured to emit ultrasonic signals, having passed through the gating switch, toward an object; a receiver configured to receive an echo signal reflected from the object; and a signal processor configured to measure a location of the object by using the echo signal.

公开(公告)号：US20230218183A1

公开(公告)日：2023-07-13

申请号：US18180647

申请日：2023-03-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jae Min KANG ,  Yong Joo KWON ,  Youn Ho KIM ,  Sang Yun PARK ,  Jin Woo CHOI

IPC: A61B5/024 ,  G06F1/16 ,  A61B5/00 ,  A61B5/021 ,  A61B5/0285 ,  A61B5/1455

CPC classification number: A61B5/024 ,  G06F1/163 ,  A61B5/7278 ,  A61B5/021 ,  A61B5/0285 ,  A61B5/1455

Abstract: An apparatus for estimating bio-information according to an embodiment includes: a sensor that measures a pulse wave signal from an object and contact pressure of the object; and a processor that obtains an oscillometric envelope based on an amplitude of the pulse wave signal and the contact pressure, and estimates bio-information based on a center of mass of a phase of contact pressure of the obtained oscillometric envelope.

公开(公告)号：US20230200665A1

公开(公告)日：2023-06-29

申请号：US17748425

申请日：2022-05-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

CPC classification number: A61B5/02116 ,  A61B5/02416 ,  A61B5/7235 ,  A61B2562/0247

Abstract: An apparatus for estimating blood pressure includes: a sensor, and a processor configured to estimate blood pressure based on a PPG signal and a contact pressure signal measured by the sensor. The sensor includes: a transparent elastic body; a first polarizing film provided on a surface of the transparent elastic body and configured to come into contact with the object; a light source provided under the transparent elastic body and configured to emit light toward the object; a first detector and a second detector provided under the transparent elastic body and configured to detect light, passing through the first polarizing film after being emitted by the light source and scattered or reflected from the object, to measure the PPG signal; and a second detector provided under the transparent elastic body and configured to detect light, not passing through the first polarizing film, to measure the contact pressure signal.

公开(公告)号：US20220296115A1

公开(公告)日：2022-09-22

申请号：US17374482

申请日：2021-07-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: A61B5/022 ,  A61B5/021 ,  A61B5/02 ,  A61B5/0205 ,  A61B5/16

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 first sensor configured to measure a first pulse wave signal of a first wavelength and a second pulse wave signal of a second wavelength from an object; a second sensor configured to measure at least one of a force or a pressure applied to the object; and a processor configured to: generate an oscillometric waveform envelope based on the first pulse wave signal of the first wavelength and the at least one of the force or the pressure applied to the object; obtain a feature value from the oscillometric waveform envelope; predict a size of a measured blood vessel based on the second pulse wave signal of the second wavelength; correct the feature value based on the size of the measured blood vessel; and estimate the bio-information based on correcting the feature value.

公开(公告)号：US20220296114A1

公开(公告)日：2022-09-22

申请号：US17373015

申请日：2021-07-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

Abstract: An apparatus for estimating blood pressure is provided. According to one embodiment, the apparatus for estimating blood pressure may include: a first sensor configured to obtain a pulse wave signal of a green wavelength from an object when the object is in contact with the first sensor; a second sensor configured to measure an external force applied to the second sensor while the first sensor is obtaining the pulse wave signal; and a processor configured to obtain an oscillometric envelope based on a direct current (DC) component of the pulse wave signal of the green wavelength and the external force, and estimate the blood pressure using the oscillometric envelope.

公开(公告)号：US20220296112A1

公开(公告)日：2022-09-22

申请号：US17377098

申请日：2021-07-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hye Rim LIM ,  Sang Yun PARK ,  Chang Mok CHOI ,  Jae Min KANG ,  Jin Woo CHOI

IPC: A61B5/021 ,  A61B5/00 ,  A61B5/1172

Abstract: An apparatus for estimating bio-information is provided. The apparatus for estimating bio-information includes: a pulse wave sensor configured to measure a pulse wave signal from an object; a force sensor configured to measure force exerted between the object and the pulse wave sensor; and a processor configured to obtain an oscillogram by using the pulse wave signal and the force, to determine a first mean arterial pressure (MAP) based on the obtained oscillogram, to extract additional information in an interval preceding a point of the first MAP of the oscillogram, to obtain a second MAP based on the first MAP and the additional information, and to estimate bio-information based on the obtained second MAP.

公开(公告)号：US20220287571A1

公开(公告)日：2022-09-15

申请号：US17369199

申请日：2021-07-07

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

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

IPC: A61B5/0205 ,  A61B5/021 ,  A61B5/00 ,  A61B5/02 ,  A61B5/16

Abstract: An apparatus for estimating bio-information is disclosed. The apparatus may include: a pulse wave sensor configured to measure a pulse wave signal from an object; a force sensor configured to obtain a force signal by measuring an external force exerted onto the force sensor; and a processor configured to obtain a first input value, a second input value, and a third input value based on the pulse wave signal and the force signal, to extract a feature vector by inputting the first input value, the second input value, and the third input value into a first neural network model, and to obtain the bio-information by inputting the feature vector into a second neural network model.

公开(公告)号：US20230263412A1

公开(公告)日：2023-08-24

申请号：US17748187

申请日：2022-05-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

CPC classification number: A61B5/02116 ,  A61B5/02125 ,  A61B5/7235 ,  A61B5/02416 ,  A61B5/681

Abstract: An apparatus for estimating bio-information, may include: a main body; a photoplethysmogram (PPG) sensor disposed in the main body and configured to measure a PPG signal from an object of a user; an internal pressure sensor disposed in a closed space formed in the main body, and configured to measure a pressure applied to the closed space when the object applies force to a surface of the main body; and a processor configured to estimate the bio-information of the user based on the PPG signal and the pressure applied to the closed space.