公开(公告)号：US20220233079A1

公开(公告)日：2022-07-28

申请号：US17580312

申请日：2022-01-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chang Soon PARK ,  Ui Kun Kwon ,  Young Soo Kim ,  Dae Geun Jang

IPC: A61B5/021 ,  A61B5/024 ,  A61B5/00 ,  A61B5/029

Abstract: An apparatus for estimating blood pressure is provided. The apparatus for estimating blood pressure according to an example embodiment includes: a sensor configured to measure a photoplethysmogram (PPG) signal from an object; and a processor configured to detect a position of a dicrotic notch based on a local maximum point and a local minimum point of a second-order derivative signal of the PPG signal, to obtain a first value and a second value from a first section and a second section of the PPG signal divided based on the dicrotic notch of the PPG signal, to obtain a pulse pressure feature value based on the first value and the second value, and to estimate blood pressure based on a variation in the obtained pulse pressure feature value compared to a reference pulse pressure feature value.

公开(公告)号：US11123022B2

公开(公告)日：2021-09-21

申请号：US16160570

申请日：2018-10-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ui Kun Kwon ,  Yunseo Ku ,  Seung Woo Noh ,  Chang Soon Park ,  Seung Keun Yoon ,  Dae Geun Jang

IPC: A61B5/00 ,  A61B5/029 ,  A61B5/021 ,  A61B5/0205 ,  A61B5/11 ,  A61B5/024 ,  A61B5/02 ,  A61B5/318 ,  A61B5/389

Abstract: A blood pressure estimating apparatus includes a sensor configured to obtain a bio-signal of an object; and a processor configured to extract a first cardiovascular feature and a second cardiovascular feature based on the bio-signal, and estimate blood pressure based on a first changing tendency of the first cardiovascular feature from a first reference level and a second changing tendency of the second cardiovascular feature from a second reference level, the first changing tendency and the second changing tendency being independent from each other.

公开(公告)号：US20210282648A1

公开(公告)日：2021-09-16

申请号：US17010949

申请日：2020-09-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chang Soon PARK ,  Ui Kun Kwon ,  Young Soo Kim ,  Seung Keun Yoon ,  Dae Geun Jang

IPC: A61B5/0245 ,  A61B5/021 ,  A61B5/024

Abstract: An apparatus for estimating bio-information, the apparatus including a sensor configured to obtain a bio-signal of a subject; and a processor configured to estimate a variation in a Cardiac Output (CO)-related feature from the bio-signal, and obtain a progressive wave component, which is associated with a Total Peripheral Resistance (TPR)-related feature, from the bio-signal based on an estimation result of estimating the variation.

公开(公告)号：US10750998B2

公开(公告)日：2020-08-25

申请号：US16690681

申请日：2019-11-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seung Keun Yoon ,  Ui Kun Kwon

IPC: A61B5/00 ,  A61B5/024 ,  A61B5/04

Abstract: A bio-signal processing apparatus, a biometric information detection apparatus, and a method of detecting biometric information are provided. The bio-signal processing apparatus includes a first low pass filter (LPF) configured to have a first cutoff frequency, and output a first preprocessed signal having low frequency components of an input bio-signal that are less than the first cutoff frequency, a second LPF configured to have a second cutoff frequency, and output a second preprocessed signal in which high frequency components greater than or equal to the second cutoff frequency are removed from the input bio-signal, and a processor configured to output an output bio-signal for biometric information detection, based on the output first preprocessed signal and the output second preprocessed signal.

公开(公告)号：US10530404B2

公开(公告)日：2020-01-07

申请号：US16512890

申请日：2019-07-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ui Kun Kwon ,  Chang Soon Park ,  Seungkeun Yoon ,  Sang Joon Kim ,  Jaechun Lee ,  Changmok Choi

IPC: H04K1/02 ,  H04B1/04 ,  H04L25/06 ,  H04L25/03

Abstract: A signal processing method, a signal filtering apparatus, and a signal processing apparatus are provided. An input signal may be input into a filter having a passband, a superfluous signal of the passband may be output from the filter, and a target signal may be obtained by subtracting the superfluous signal from the input signal.

公开(公告)号：US10307107B2

公开(公告)日：2019-06-04

申请号：US14661226

申请日：2015-03-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jong Wook Lee ,  Ui Kun Kwon ,  Seung Keun Yoon

IPC: A61B5/00 ,  H04W4/70 ,  H04W4/00 ,  A61B5/024 ,  A61B5/11 ,  H04W4/80

Abstract: A cooperative sensing method of a terminal, the method including transmitting a request to a cooperative terminal connected with the terminal, to verify a sensing performance capability of the cooperative terminal, receiving, from the cooperative terminal, first capability information generated in response to the request, and selecting, by the terminal, a sensing terminal based on the first capability information and second capability information generated by verifying a sensing performance capability of the terminal.

公开(公告)号：US10258290B2

公开(公告)日：2019-04-16

申请号：US15182956

申请日：2016-06-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chang Soon Park ,  Ui Kun Kwon ,  Sang-joon Kim ,  Seungkeun Yoon ,  Jaechun Lee ,  Changmok Choi

IPC: A61B5/00 ,  A61B5/04 ,  G06K9/00 ,  A61B5/024 ,  G01R23/16 ,  A61B5/0402 ,  A61B5/0488

Abstract: A method of processing a biosignal includes estimating a time period from a time-domain biosignal, converting a biosignal corresponding to a time interval based on the time period to a frequency-domain signal, performing signal processing to remove a distortion component from the frequency-domain signal, and converting a processed frequency-domain signal obtained through the signal processing to a time-domain signal.

公开(公告)号：US10152574B2

公开(公告)日：2018-12-11

申请号：US15162982

申请日：2016-05-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chang Soon Park ,  Ui Kun Kwon ,  Sang-joon Kim ,  Seungkeun Yoon ,  Changmok Choi

IPC: G06F19/00 ,  A61B5/00 ,  A61B5/026 ,  H04Q9/00 ,  G16H50/20 ,  A61B5/0295 ,  A61B5/0452 ,  A61B5/11 ,  A61B5/1455

Abstract: A signal feature extracting method and apparatus is disclosed. The signal feature extracting apparatus estimates element signals forming an input signal using a signal model to be determined by parameters, and extracts signal features using the estimated element signals. The method of extracting a signal feature including estimating element signals from an input signal, and extracting a signal feature using the estimated element signals, wherein the estimating of the element signals comprises estimating a first element signal of the input signal, and estimating a second element signal based on a waveform of a first intermediate signal, the first intermediate signal being a signal derived from the first element signal eliminated from the input signal.

公开(公告)号：US09958483B2

公开(公告)日：2018-05-01

申请号：US14864154

申请日：2015-09-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaechun Lee ,  Ui Kun Kwon ,  Sang Joon Kim ,  Seungkeun Yoon

IPC: G01R27/28 ,  G01R19/04 ,  A61B5/00 ,  A61B5/0402 ,  A61B5/0488 ,  A61B5/01

CPC classification number: G01R19/04 ,  A61B5/0051 ,  A61B5/01 ,  A61B5/0402 ,  A61B5/0488 ,  A61B5/6801

Abstract: A detecting apparatus includes a first resonator configured to generate a first resonance signal based on power output from a power supply in response to an object changing within a range of a field of the first resonator, a switch configured to connect the first resonator to the power supply in response to a control signal, and a controller configured to sample a value of an envelope of the first resonance signal to detect a change in the object.

公开(公告)号：US09877685B2

公开(公告)日：2018-01-30

申请号：US14642963

申请日：2015-03-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ui Kun Kwon ,  Sang Joon Kim ,  Jong Wook Lee

IPC: A61B5/00 ,  A61B5/053

CPC classification number: A61B5/7221 ,  A61B5/0533 ,  A61B5/4035 ,  A61B5/4266 ,  A61B5/6843

Abstract: A biosignal measuring method and apparatus are provided. The biosignal measuring method includes verifying whether a measured biosignal is in a range, and controlling an operation of the biosignal measuring apparatus when the measured biosignal deviates from the range based on a result of the verifying.