公开(公告)号：US11374161B2

公开(公告)日：2022-06-28

申请号：US16115717

申请日：2018-08-29

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION

Inventor： Won Jong Jung ,  Ho Young Kim ,  Kak Namkoong ,  Yeol Ho Lee ,  Myoung Hoon Jung

IPC: B25J9/00 ,  H01L41/09 ,  B25J9/16 ,  B25J9/14 ,  B25J17/00 ,  B25J9/12 ,  F15B15/14 ,  B25J13/06 ,  F15B15/08

Abstract: An actuator according to an aspect of the present invention includes: a driving body including a plurality of conductive grains, a chamber configured to confine the plurality of conductive grains, and two or more electrodes disposed on a surface of the chamber; and a controller configured to obtain, through the two or more electrodes, a change in an electric signal, in response to a load applied to the chamber, and to adjust the load applied to the chamber based on the change in the electric signal.

公开(公告)号：US10420483B2

公开(公告)日：2019-09-24

申请号：US15363293

申请日：2016-11-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yeol Ho Lee ,  Kak Namkoong ,  Myoung Hoon Jung ,  Young Jun Koh

IPC: A61B5/053 ,  A61B5/00 ,  A61B5/0402 ,  A61B5/0408

Abstract: An apparatus and method for measuring a bioelectric impedance is provided. The apparatus may measure the bioelectric impedance using three electrodes. The apparatus may measure the bioelectric impedance by compensating for a change of a contact impedance.

公开(公告)号：US11350878B2

公开(公告)日：2022-06-07

申请号：US16574937

申请日：2019-09-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jung Yong Nam ,  Kak Namkoong ,  Yeol Ho Lee ,  Joon Hyung Lee ,  Ki Young Chang ,  Won Jong Jung

IPC: A61B5/00 ,  A61B5/145 ,  A61B5/1455 ,  A61B5/01

Abstract: An apparatus for estimating bio-information may include a sensor configured to emit light to an object and detect light scattered or reflected from the object and a processor configured to acquire, based on an intensity of the detected light, a first absorbance coefficient change and a first scattering coefficient change, relative to a reference time point, acquire a second scattering coefficient change based on the first absorbance coefficient change, and correct the first scattering coefficient change based on the acquired second scattering coefficient change.

公开(公告)号：US10959641B2

公开(公告)日：2021-03-30

申请号：US15878881

申请日：2018-01-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Myoung Hoon Jung ,  Kak Namkoong ,  Yeol Ho Lee

IPC: A61B5/00 ,  A61B5/0537

Abstract: An apparatus for measuring bioelectrical impedance includes a current source configured to apply a constant current to an object through a first electrode and a second electrode; a measurement mode switcher configured to switch a measurement mode from a first measurement mode to a second measurement mode in response to a measurement mode switch signal; a voltmeter configured to obtain a voltage applied to a third electrode and a fourth electrode due to the constant current applied to the object; and a processor configured to obtain first impedance based on a first voltage obtained by the voltmeter immediately before start of a measurement mode switch, obtain second impedance based on a second voltage obtained by the voltmeter immediately after completion of the measurement mode switch, and obtain bioelectrical impedance of the object based on the first impedance and the second impedance.

公开(公告)号：US11913932B2

公开(公告)日：2024-02-27

申请号：US16830690

申请日：2020-03-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Won Jong Jung ,  Kak Namkoong ,  Yeol Ho Lee ,  Joon Hyung Lee ,  Ki Young Chang

IPC: G01N27/12 ,  G01N27/406 ,  G01N33/00

CPC classification number: G01N33/0067 ,  G01N27/12 ,  G01N27/122 ,  G01N27/124 ,  G01N27/127 ,  G01N27/406 ,  G01N27/4065 ,  G01N33/0032

Abstract: An apparatus for measuring a concentration of a target gas includes: a gas sensor including a sensing layer having an electric resistance that changes by an oxidation reaction or a reduction reaction between gas molecules and the sensing layer; and a processor configured to, in response to the target gas being introduced along with air into the gas sensor, monitor a change of the electric resistance of the sensing layer and determine the concentration of the target gas by analyzing a shape of the change of the electric resistance.

公开(公告)号：US20220167855A1

公开(公告)日：2022-06-02

申请号：US17354040

申请日：2021-06-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yong Joo Kwon ,  Kyoung Jun Kim ,  Joon Hyung Lee ,  Yeol Ho Lee ,  Seol Young Choi

IPC: A61B5/021 ,  A61B5/024

Abstract: A biological information measuring apparatus for measuring biological information using an image sensor is provided. The biological information measuring apparatus may include a light-emitting pixel array including rows of light-emitting pixels; a light-receiving pixel array including rows of light-receiving pixels. The light-receiving pixel array may be configured to sample light that is emitted from the light-emitting pixel array and reflected by an object. The apparatus may include a bio-signal processor configured to measure biological information using data sampled by the light-receiving pixel array. Each of the light-emitting pixels may include a storage capacitor configured to store an nth light-emitting pixel signal and a memory capacitor configured to store an (n+1)th light-emitting pixel signal.

公开(公告)号：US11166674B2

公开(公告)日：2021-11-09

申请号：US15636244

申请日：2017-06-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kak Namkoong ,  Young Jun Koh ,  Yeol Ho Lee ,  Myoung Hoon Jung

IPC: A61B5/00 ,  A61B5/0408 ,  A61B5/053 ,  A61B5/0537 ,  A61B5/282

Abstract: A wrist-type body composition measuring apparatus is provided to measure body composition conveniently. The wrist-type body composition measuring apparatus includes a main body comprising a measurer configured to measure body impedance of a user, and an analyzer configured to analyze a body composition of the user based on the measured body impedance; a strap connected to the main body and configured to be flexible; a first inner electrode and a second inner electrode which are provided on a rear surface of the main body to be in direct contact with the user; and a first outer electrode and a second outer electrode which are provided on a surface of the main body to be in contact with the user during measurement of the body composition, wherein the first outer electrode and the second outer electrode are each formed as a half ring and face each other with a gap therebetween.

公开(公告)号：US20200237270A1

公开(公告)日：2020-07-30

申请号：US16731241

申请日：2019-12-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yeol Ho Lee ,  Won Jong Jung ,  Kak Namkoong ,  Jung Yong Nam ,  Joon Hyung Lee ,  Ki Young Chang

IPC: A61B5/145 ,  A61B5/15

Abstract: An apparatus for measuring a bio-signal may include an interstitial fluid extraction assembly configured to extract interstitial fluid from skin of a user, a sensor configured to measure at least one of an impedance and an optical characteristic of the extracted interstitial fluid, and a processor configured to estimate a concentration of an analyte based on at least one of the impedance and the optical characteristic.

公开(公告)号：US11673122B2

公开(公告)日：2023-06-13

申请号：US17321689

申请日：2021-05-17

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Won Jong Jung ,  Il Doo Kim ,  Kak Namkoong ,  Dong Ha Kim ,  Yeol Ho Lee ,  Joon Hyung Lee ,  Ki Young Chang ,  Ji Soo Jang ,  Ha Min Shin ,  Yoon Hwa Kim

IPC: B01J23/42 ,  G01N33/497 ,  B01J23/30 ,  B01J35/00 ,  B01J35/06 ,  G01N27/12 ,  B01J35/10 ,  B01J37/00 ,  B01J37/04 ,  B01J37/34

CPC classification number: B01J23/42 ,  B01J23/30 ,  B01J35/006 ,  B01J35/0013 ,  B01J35/06 ,  B01J35/1066 ,  B01J35/1071 ,  B01J35/1076 ,  B01J37/0018 ,  B01J37/04 ,  B01J37/342 ,  G01N27/127 ,  G01N33/497

Abstract: A member for a metal oxide nanofiber based gas sensor can include a metal nanoparticle catalyst and can be formed to be functionalized by binding the metal nanoparticle catalyst and an alkali or alkaline earth metal through electrospinning and heat treatment processes. The member can detect a trace amount of a gas with high selectivity and ultra-high sensitivity by uniformly binding the alkali or alkaline earth metal and the metal nanoparticle catalyst through electrospinning and high-temperature heat treatment.

公开(公告)号：US11596322B2

公开(公告)日：2023-03-07

申请号：US16202276

申请日：2018-11-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Myoung Hoon Jung ,  Kak Namkoong ,  Yeol Ho Lee ,  Won Jong Jung

IPC: A61B5/00 ,  A61B5/053 ,  A61B5/024 ,  A61B5/08 ,  A61B5/0295 ,  A61B5/0205 ,  A61B5/0245 ,  A61B5/0265 ,  A61B5/0537 ,  A61B5/145 ,  A61B5/1477

Abstract: A bio-signal measuring apparatus includes a first electrode, a second electrode, a third electrode, a fourth electrode, and a first circuit network and a second circuit network, each of the first circuit network and the second circuit network includes one or more resistances. The bio-signal measuring apparatus further includes an impedance measurer configured to measure a first impedance of the first circuit network in a first correction mode, measure a second impedance of the second circuit network in a second correction mode, measure a third impedance of an object in a first measurement mode, using the first electrode, the second electrode, the third electrode, and the fourth electrode, and measure a fourth impedance of the object in a second measurement mode, using the first electrode, the second electrode, the third electrode, and the fourth electrode.