公开(公告)号：US09231629B2

公开(公告)日：2016-01-05

申请号：US13729190

申请日：2012-12-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chang Soon Park ,  Young Jun Hong ,  Joon Seong Kang

IPC: H04L27/06 ,  H04B1/06 ,  H03D11/00 ,  H04B1/24

CPC classification number: H04B1/06 ,  H03D11/00 ,  H04B1/24

Abstract: An ultra low power super-regenerative receiver is provided. The ultra low power super-regenerative receiver includes a bit synchronizer configured to use a value sampled from a signal output from a super-regenerative oscillator to estimate a pulse-level position having a maximum amplitude value in a single period of a received symbol, a frame synchronizer configured to combine a plurality of pulse-level positions determined based on the estimated pulse-level position, and detect a predetermined bit sequence using the plurality of pulse-level positions combined, the frame synchronizer being configured to perform frame synchronization, and a data detector configured to detect data using the plurality of pulse-level positions determined after the frame synchronization is completed.

Abstract translation: 提供超低功率超再生接收机。 超低功率超再生接收机包括位同步器，其被配置为使用从超再生振荡器输出的信号采样的值来估计在接收符号的单个周期中具有最大振幅值的脉冲电平位置， 帧同步器，其被配置为组合基于所估计的脉冲电平位置确定的多个脉冲电平位置，并且使用组合的所述多个脉冲级位置来检测预定位序列，所述帧同步器被配置为执行帧同步;以及 数据检测器，被配置为使用在帧同步完成之后确定的多个脉冲级位置来检测数据。

公开(公告)号：US09001938B2

公开(公告)日：2015-04-07

申请号：US13956805

申请日：2013-08-01

Applicant: Samsung Electronics Co., Ltd. ,  Industry-Academic Cooperation Foundation, Yonsei University

Inventor： Jong Han Kim ,  Un Sun Cho ,  Young Jun Hong ,  Joon Seong Kang ,  Jae Seok Kim ,  Chang Soon Park

IPC: H04B1/12 ,  H04L27/26

CPC classification number: H04B1/12 ,  H04L7/042 ,  H04L27/26

Abstract: A method of detecting a received signal, includes determining correlation between a received signal in a predetermined signal interval and training symbols, and determining a median absolute deviation (MAD) of the received signal in a predetermined reference interval. The method further includes detecting a presence of the received signal based on the correlation and the MAD.

Abstract translation: 一种检测接收信号的方法，包括确定预定信号间隔中的接收信号与训练符号之间的相关性，以及确定接收信号在预定参考间隔内的中值绝对偏差（MAD）。 该方法还包括基于相关性和MAD检测接收信号的存在。

公开(公告)号：US12127858B2

公开(公告)日：2024-10-29

申请号：US17828786

申请日：2022-05-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chang Soon Park ,  Ui Kun Kwon

IPC: A61B5/00 ,  A61B5/02 ,  A61B5/021 ,  A61B5/024 ,  A61B5/16 ,  G16H50/20

CPC classification number: A61B5/7278 ,  A61B5/02007 ,  A61B5/02116 ,  A61B5/02125 ,  A61B5/02416 ,  A61B5/165 ,  G16H50/20

Abstract: An apparatus for non-invasively estimating bio-information may include a bio-signal acquirer configured to acquire a bio-signal; and a processor configured to extract a plurality of characteristic points from the bio-signal, determine internally dividing points of the plurality of characteristic points, and extract feature values from the bio-signal based on the internally dividing points to perform bio-information estimation. The plurality of characteristic points may include a first time point and a second time point when the pulse wave signal includes a first component pulse wave that has a maximum amplitude at the first time point, and a second component pulse wave that has a maximum amplitude at the second time point.

公开(公告)号：US12029592B2

公开(公告)日：2024-07-09

申请号：US17410651

申请日：2021-08-24

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 ,  A61B5/02 ,  A61B5/0205 ,  A61B5/021 ,  A61B5/024 ,  A61B5/029 ,  A61B5/11 ,  A61B5/318 ,  A61B5/389

CPC classification number: A61B5/7278 ,  A61B5/0205 ,  A61B5/021 ,  A61B5/02116 ,  A61B5/02125 ,  A61B5/029 ,  A61B5/681 ,  A61B5/02007 ,  A61B5/02028 ,  A61B5/02108 ,  A61B5/02416 ,  A61B5/1102 ,  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：US11665267B2

公开(公告)日：2023-05-30

申请号：US17388370

申请日：2021-07-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chang Soon Park ,  Young Jun Hong ,  Youngsoo Kim ,  Hyosun Hwang

IPC: H04L69/22 ,  H04L1/00 ,  H04W28/18

CPC classification number: H04L69/22 ,  H04L1/0009 ,  H04L1/0025 ,  H04L1/0075 ,  H04W28/18

Abstract: A method of a transmitter transmitting a packet encoded by applying a coding scheme based on a wireless channel environment to a receiver, and a method of the receiver detecting the coding scheme applied to the encoded packet and decoding the packet, in which the transmitter applies a spreading factor corresponding to the coding scheme to a preamble of the packet, and the receiver decodes the packet by detecting the coding scheme using the preamble.

公开(公告)号：US11642089B2

公开(公告)日：2023-05-09

申请号：US16811768

申请日：2020-03-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seung Keun Yoon ,  Seung Woo Noh ,  Chang Soon Park ,  Jin Woo Choi

IPC: A61B5/00 ,  G16H50/50 ,  G16H50/30 ,  A61B5/02 ,  A61B5/021 ,  A61B5/022 ,  A61B5/024 ,  A61B5/16

CPC classification number: A61B5/7278 ,  A61B5/022 ,  A61B5/02007 ,  A61B5/02108 ,  A61B5/02416 ,  A61B5/165 ,  A61B5/6843 ,  A61B5/7246 ,  G16H50/30 ,  G16H50/50 ,  A61B5/02433 ,  A61B2560/0223

Abstract: An apparatus for calibrating a bio-information estimation model is provided. The apparatus for calibrating a bio-information estimation model includes: a data obtainer configured to obtain at least one pulse wave signal; and a processor configured to extract a plurality of feature sets, each feature set including one or more features, from each of the at least one pulse wave signal, and configured to calibrate a bio-information estimation model based on a correlation distribution of the extracted plurality of feature sets.

公开(公告)号：US11426130B2

公开(公告)日：2022-08-30

申请号：US16414446

申请日：2019-05-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dae Geun Jang ,  Ui Kun Kwon ,  Chang Soon Park

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

Abstract: An apparatus for non-invasively estimating blood pressure is provided. According to one embodiment, the apparatus for estimating blood pressure may include a bio-signal sensor configured to measure a bio-signal from a user and a processor configured to extract a feature from the bio-signal at an extraction time, acquire an offset based on a relative change value of the feature extracted at the extraction time, relative to a reference value of the feature obtained a time of calibration, and estimate blood pressure based on the relative change value of the extracted feature and the acquired offset.

公开(公告)号：US11419561B2

公开(公告)日：2022-08-23

申请号：US15856234

申请日：2017-12-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: A61B5/021 ,  A61B5/00 ,  A61B5/029 ,  A61B5/11 ,  A61B5/026 ,  A61B5/02 ,  A61B5/0205 ,  A61B5/318 ,  A61B5/389

Abstract: An adaptive bio-signal feature combining apparatus includes: a feature extractor configured to extract first feature values and second feature values from a bio-signal of an object; a stable interval determiner configured to determine at least one stable interval in the bio-signal; a statistical variable calculator configured to calculate a statistical variable value of a first feature and a statistical variable value of a second feature for each of the at least one stable interval based on the first and second feature values extracted from the at least one stable interval; and a feature combiner configured to calculate an integrated combining coefficient that is used to combine the first feature and the second feature, based on the statistical variable value of the first feature and the statistical variable value of the second feature.

公开(公告)号：US11419557B2

公开(公告)日：2022-08-23

申请号：US16874843

申请日：2020-05-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chang Soon Park ,  Seung Keun Yoon ,  Dae Geun Jang

IPC: A61B5/00 ,  G16H50/30 ,  G16H40/67 ,  A61B5/0205 ,  A61B5/02 ,  A61B5/021 ,  A61B5/16

Abstract: An apparatus for estimating bio-information includes: a sensor configured to obtain a bio-signal from an object; and a processor configured to obtain a second-order differential signal of the bio-signal, to detect at least one of an inflection point in a predetermined period of the second-order differential signal, and a zero-crossing point in the predetermined period of the second-order differential signal, to extract a feature based on the detected at least one of the inflection point and the zero-crossing point, and to estimate bio-information based on the extracted feature.

公开(公告)号：US10904156B2

公开(公告)日：2021-01-26

申请号：US16666451

申请日：2019-10-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ashutosh Deepak Gore ,  Sujit Jos ,  Jinesh P. Nair ,  Chang Soon Park ,  Kiran Bynam ,  Young Jun Hong

IPC: H04L27/26 ,  H04L12/801 ,  H04L12/741

Abstract: A method to detect a packet includes: receiving an input sequence including preambles; detecting a transition from a noise period to a signal period in the input sequence; dynamically adjusting a gain of the input sequence in response to the signal period being initiated; and distinguishing an intended packet from other packets, among packets received in the preambles.