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    APPARATUS AND METHOD FOR ESTIMATING BLOOD PRESSURE
    1.
    发明公开
    APPARATUS AND METHOD FOR ESTIMATING BLOOD PRESSURE 审中-公开

    公开(公告)号：US20240172945A1

    公开(公告)日：2024-05-30

    申请号：US18129396

    申请日：2023-03-31

    申请人： SAMSUNG ELECTRONICS CO., LTD.

    发明人： Chang Soon PARK ,  Ui Kun Kwon ,  Young Soo Kim ,  Hye Rim Lim

    IPC分类号： A61B5/021 ,  A61B5/00 ,  A61B5/029

    CPC分类号： A61B5/02116 ,  A61B5/029 ,  A61B5/7239 ,  A61B5/7246 ,  A61B5/7278 ,  A61B5/02416

    摘要： An apparatus for estimating blood pressure may include: a photoplethysmogram (PPG) sensor configured to measure a PPG signal from a user; and a processor configured to: extract a cardiovascular feature from the PPG signal; calculate a first variation in the extracted cardiovascular feature compared to a reference cardiovascular feature measured at a reference time; determine a measurement posture of the PPG signal based on a time interval between two waveform components of the PPG signal; in response to the measurement posture corresponding to the reference posture, estimate the blood pressure based on the first variation; and in response to the measurement posture not corresponding to the reference posture, obtain a second variation by correcting the first variation; and estimate blood pressure based on the second variation.

    APPARATUS AND METHOD FOR ESTIMATING BLOOD PRESSURE
    2.
    发明申请
    APPARATUS AND METHOD FOR ESTIMATING BLOOD PRESSURE 有权

    公开(公告)号：US20220192607A1

    公开(公告)日：2022-06-23

    申请号：US17690615

    申请日：2022-03-09

    申请人： SAMSUNG ELECTRONICS CO., LTD.

    发明人： Ui Kun KWON ,  Chang Soon PARK

    IPC分类号： A61B5/00 ,  A61B5/02 ,  A61B5/021 ,  A61B5/029

    摘要： An apparatus for estimating blood pressure is provided. The apparatus for estimating blood pressure may include: a bio-signal measurer configured to measure a bio-signal from a user; and a processor configured to extract one or more feature values from the bio-signal, to adjust a combination coefficient for combining the one or more feature values based on a reference value associated with vascular compliance, and to estimate blood pressure based on the adjusted combination coefficient, and the one or more feature values extracted from the bio-signal.

    APPARATUS AND METHOD FOR ESTIMATING BIO-INFORMATION
    3.
    发明申请
    APPARATUS AND METHOD FOR ESTIMATING BIO-INFORMATION 有权

    公开(公告)号：US20210228100A1

    公开(公告)日：2021-07-29

    申请号：US17038692

    申请日：2020-09-30

    申请人： SAMSUNG ELECTRONICS CO., LTD.

    发明人： Chang Soon PARK ,  Ui Kun KWON ,  Seung Keun YOON ,  Dae Geun JANG

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

    摘要： An apparatus for estimating bio-information may include 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, and extract a progressive wave component from the bio-signal using, based on a first local minimum point of the second-order differential signal being stable, the first local minimum point of the second-order differential signal, or extract the progressive wave component from the bio-signal using, based on the first local minimum point of the second-order differential signal being unstable, a maximum amplitude point in a systolic portion of the bio-signal.

    METHOD AND DEVICE FOR DETECTING INTERFERENCE SIGNAL FROM LOW-POWER ENVELOPE DETECTION RECEIVER
    8.
    发明申请
    METHOD AND DEVICE FOR DETECTING INTERFERENCE SIGNAL FROM LOW-POWER ENVELOPE DETECTION RECEIVER 审中-公开
    用于检测来自低功率环境检测接收器的干扰信号的方法和装置

    公开(公告)号：US20160308627A1

    公开(公告)日：2016-10-20

    申请号：US15194149

    申请日：2016-06-27

    申请人： SAMSUNG ELECTRONICS CO., LTD.

    发明人： Chang Soon PARK ,  Hyo Sun HWANG ,  Joon Seong KANG ,  Young Jun HONG

    IPC分类号： H04B17/345 ,  H04B1/10 ,  H04L25/03 ,  H04B13/00

    CPC分类号： H04B17/345 ,  H04B1/1027 ,  H04B13/005 ,  H04L25/03006

    摘要： A device for detecting an interference signal includes an estimator configured to estimate a mean value of received signals output from an analog-digital converter (ADC), a filter configured to filter a low frequency band of the received signals using the estimated mean value to produce filtered received signals, a detector configured to detect, from the filtered received signals, interference signals using a coherent modulation scheme and a non-coherent modulation scheme, and a combiner configured to determine whether interference exists in a frequency channel in response to a result of the interference signal detecting using the coherent modulation scheme and the non-coherent modulation scheme, based on a preset condition.

    摘要翻译： 用于检测干扰信号的装置包括被配置为估计从模拟数字转换器（ADC）输出的接收信号的平均值的估计器，被配置为使用所估计的平均值对接收信号的低频带进行滤波以产生 被滤波的接收信号，被配置为使用相干调制方案和非相干调制方案从已滤波的接收信号中检测干扰信号的检测器，以及配置为响应于频率信道中的干扰存在于频率信道中的组合器 基于预设条件，使用相干调制方案和非相干调制方案的干扰信号检测。

    METHOD AND SYSTEM FOR SELECTING SPREADING SEQUENCES WITH VARIABLE SPREADING FACTORS
    9.
    发明申请
    METHOD AND SYSTEM FOR SELECTING SPREADING SEQUENCES WITH VARIABLE SPREADING FACTORS 有权
    选择具有可变扩展因子的扩展序列的方法和系统

    公开(公告)号：US20160261359A1

    公开(公告)日：2016-09-08

    申请号：US15033391

    申请日：2014-10-22

    申请人： SAMSUNG ELECTRONICS CO., LTD.

    发明人： Jinesh Parameshwaran NAIR ,  Young Jun HONG ,  Chang Soon PARK ,  Sujit JOS ,  Young Soo KIM ,  Manoj CHOUDHARY

    IPC分类号： H04J13/10 ,  H04B1/7097 ,  H04B1/04 ,  H04J13/00 ,  H04L27/04

    CPC分类号： H04J13/16 ,  H04B1/0475 ,  H04B1/7097 ,  H04B2201/70707 ,  H04B2201/709709 ,  H04J13/0011 ,  H04J13/0022 ,  H04J13/0044 ,  H04J13/10 ,  H04J13/107 ,  H04L25/4923 ,  H04L27/04

    摘要： Embodiments herein achieve a method and system for selecting non-coherent spreading sequences with binary alphabets {0, 1} with variable spreading factors. The method generates circular shift equivalent sets of spreading sequences by circularly shifting base sequences with elements {1, 0} and having at least one variable spreading factor. The method determines whether each spreading sequence in the circular shift equivalent set meets pre-defined spreading sequence criteria. The spreading sequence criteria comprise balanced criteria, a non-repetition criteria, non-circular criteria, and conjugate criteria. Furthermore, the method selects the spreading sequence from expansions of at least one spreading sequence from the circular shift equivalent sets in response to determining that the spreading sequences in the circular shift equivalent sets meets the pre-defined spreading sequence criteria.

    摘要翻译： 本文的实施例实现了用可变扩展因子的二进制字母{0,1}选择非相干扩展序列的方法和系统。 该方法通过循环移位具有元素{1,0}的碱基序列并具有至少一个可变扩展因子来生成扩展序列的循环移位等效集合。 该方法确定循环移位等效集合中的每个扩展序列是否满足预定义的扩展序列标准。 扩展序列标准包括平衡标准，非重复标准，非循环标准和共轭标准。 此外，响应于确定循环移位等效集中的扩展序列满足预定义的扩展序列准则，该方法从来自循环移位等效集的至少一个扩展序列的扩展选择扩展序列。

    METHOD AND APPARATUS FOR AUTOMATIC GAIN CONTROL IN WIRELESS RECEIVER
    10.
    发明申请
    METHOD AND APPARATUS FOR AUTOMATIC GAIN CONTROL IN WIRELESS RECEIVER 有权
    无线接收机自动增益控制的方法与装置

    公开(公告)号：US20160241212A1

    公开(公告)日：2016-08-18

    申请号：US15044398

    申请日：2016-02-16

    申请人： SAMSUNG ELECTRONICS CO., LTD.

    发明人： Ashutosh Deepak GORE ,  Jinesh P. NAIR ,  Chang Soon PARK ,  Kiran BYNAM ,  Seok Ju YUN ,  Young Jun HONG

    IPC分类号： H03G3/30 ,  H04B1/16

    CPC分类号： H04B1/16 ,  H03F3/24 ,  H03G3/00 ,  H03G3/3036 ,  H03G3/3068 ,  H03G3/3078 ,  H04B2001/0408

    摘要： Examples provide a method of performing automatic gain control (AGC) in a wireless receiver, the method including computing, by an energy detection (ED) circuit, a variance in an output signal of an analog-to-digital converter (ADC), and activating, by the ED circuit, an AGC circuit to adjust a gain of at least one component in a radio frequency integrated chip (RFIC) in response to the variance exceeding a threshold. Examples also provide for a wireless receiver that implements such a method.

    摘要翻译： 示例提供了一种在无线接收机中执行自动增益控制（AGC）的方法，该方法包括通过能量检测（ED）电路计算模数转换器（ADC）的输出信号的方差，以及 通过ED电路激活AGC电路，以响应于超过阈值的方差来调整射频集成芯片（RFIC）中的至少一个分量的增益。 实例还提供了实现这种方法的无线接收机。