Samsung Electronics Co., Ltd.

Seoul National University

Postech Research and Business Development Foundation

Sang Yun Park

Jae Min Kang

Yong Joo Kwon

Seung Woo Noh

Youn Ho Kim

Jin Woo Choi

Byung Hoon Ko

Hye Rim Lim

Jong Wook Lee

Chang Mok Choi

Young Soo Kim

Jong Pal Kim

Young Zoon Yoon

Tak Hyung Lee

Jeong Eun Hwang

Sung-Min Park

Sun Kwon Kim

Kwang Suk Park

Deuk Seok Chung

Soo Young Sim

Jin Hyun Yun

Hyo Sun Jeon

Myung Jun Koh

Kwang Min Joo

Vega Pradana Rachim

JinHyeok Baek

An apparatus for measuring bio-information may include: a pulse wave sensor comprising at least one pair of light emitters which are disposed apart from each other and a light receiver disposed between the at least one pair of light emitters, and configured to measure a plurality of pulse wave signals from an object by using the light receiver and the at least one pair of light emitters; a force sensor configured to measure a contact force that is applied to the pulse wave sensor by the object; and a processor configured to generate an integrated pulse wave signal by integrating the plurality of pulse wave signals based on the contact force and an area of a contact surface of the pulse wave sensor, and estimate bio-information of the object based on the integrated pulse wave signal.

Apparatus and method for measuring bio-information

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.

Apparatus and method for estimating bio-information

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.

Apparatus and method for estimating blood pressure, and sensor for estimating the same

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.

Apparatus and method for estimating optical-based force

An apparatus for measuring bio-information in a non-invasive manner includes: a pulse wave sensor configured to measure a plurality of pulse wave signals having different wavelengths from an object; a contact pressure sensor configured to measure contact pressure of the object while the plurality of pulse wave signals are measured; and a processor configured to obtain an oscillometric waveform based on the contact pressure and the plurality of pulse wave signals having the different wavelengths, and obtain bio-information based on the oscillometric waveform.

Bio-information measuring apparatus and bio-information measuring method

A wafer-type sensor for wafer alignment includes a dummy wafer; a sensor module disposed in the dummy wafer, and a processor configured to control the sensor module to measure a distance between a side surface of the dummy wafer and a ring formed around a periphery of an electrostatic chuck based on the dummy wafer being mounted on the electrostatic chuck by a transfer robot.

Wafer type sensor, wafer alignment method using the same, and calibration device for calibrating wafer type sensor

An apparatus for estimating bio-information includes: a sensor part configured to obtain contact pressure of a contact surface contacted by an object, and configured to obtain a contact image of the object that contacts the contact surface; and a processor configured to obtain a pulse wave signal of a region of interest based on the contact image, and configured to estimate bio-information based on the obtained pulse wave signal and the contact pressure.

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.

An apparatus for measuring bio-information such as blood pressure is provided. The bio-information measuring apparatus includes: a pulse wave sensor configured to measure a pulse wave signal from an object; a fingerprint sensor configured to obtain fingerprint information of the object; and a processor configured to estimate a contact area of the object based on the fingerprint information, and obtain bio-information based on the pulse wave signal and the contact area.

An apparatus for measuring biometric information is provided. The apparatus may include: a main body configured to be worn on an object to be examined. The main body may include a contact pressure sensor configured to measure a contact pressure of the object while a hand shape is changing; a pulse wave sensor configured to measure a pulse wave signal of the object; and a processor configured to measure biometric information on the basis of the measured contact pressure and pulse wave signal.

Apparatus and method for measuring biometric information

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.

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.

Apparatus and method for estimating blood pressure

A blood pressure measuring apparatus according to an aspect of the present invention includes: a touch sensor; a pulse wave measurer configured to measure pulse waves from a user; a contact force measurer including at least three force sensors and configured to measure a contact force between the touch sensor and the user by using the at least three force sensors; a contact area measurer configured to measure a contact area between the user and the touch sensor; and a processor configured to determine a vertical direction error, which indicates a degree of deviation of a direction of force, applied by the user to press the touch sensor, from a vertical direction to a surface of the touch sensor based on sensor values sensed by the at least three force sensors, and estimate blood pressure according to a determination result of the vertical direction error based on the pulse waves, the contact force, and the contact area.

Blood pressure measuring apparatus and blood pressure measuring method

An apparatus for non-invasively measuring bio-information is provided. The apparatus for estimating bio-information may include a pulse wave sensor including a plurality of channels, and configured to measure pulse wave signals at a plurality of points of an object; and a processor configured to generate oscillograms corresponding to the plurality of channels based on the pulse wave signals measured by the plurality of channels; determine a channel, from among the plurality of channels, for estimating the bio-information based on the oscillograms; and estimate the bio-information based on an oscillogram of the channel.

An electronic device and a control method using the same are provided. The electronic device may include: a photoplethysmography (PPG) sensor having a plurality of channels arranged isotropically; and a processor configured to: detect a center of gravity of an external force applied to a measurement area of the PPG sensor by an object, based on PPG signals that are detected from the plurality of channels when the object is in contact with the measurement area of the PPG sensor, and generate a control command based on a change in the detected center of gravity.

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Hwaseong-si, South Korea

Sang Yun Park