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    • 142. 发明申请
    • DEVICE AND METHOD FOR MEASURING ARTERIAL SIGNALS
    • 用于测量动态信号的装置和方法
    • US20160338602A1
    • 2016-11-24
    • US15111678
    • 2015-01-15
    • NOKIA TECHNOLOGIES OY
    • Niku Oksala
    • A61B5/021A61B5/00
    • A61B5/02125A61B5/0261A61B5/11A61B5/6825A61B5/7203A61B5/721A61B2560/0223A61B2560/0257A61B2562/046A61B2562/066
    • A device (100) for measuring arterial (107) signals, and especially pulse wave velocity, comprises a sensor array comprising a plurality of sensors (101-04) for detecting arterial signals and providing corresponding measuring data. A signal detecting means (106) is used for detecting signal strength of each of said sensors (101-104) separately based on said measuring data of each sensor. A selection logic (108) is used for selecting the measuring data of the sensors providing signals with highest signal strength as a first measuring data (signals responsible of arterial signals), whereupon the device is configured to use said selected first measuring data for determination of pulse wave velocity and wherein measuring data of at least one another sensor not providing said first measuring data is used as a second measuring data.
    • 用于测量动脉(107)信号,特别是脉搏波速度的装置(100)包括传感器阵列,其包括用于检测动脉信号并提供对应的测量数据的多个传感器(101-04)。 信号检测装置(106)用于基于每个传感器的所述测量数据分别检测每个所述传感器(101-104)的信号强度。 选择逻辑(108)用于选择提供具有最高信号强度的信号的传感器的测量数据作为第一测量数据(负责动脉信号的信号),由此该装置被配置为使用所选择的第一测量数据来确定 脉搏波速度,并且其中测量不提供所述第一测量数据的至少另一传感器的测量数据被用作第二测量数据。
    • 144. 发明申请
    • WEARABLE MULTI-MODAL PHYSIOLOGICAL SENSING SYSTEM
    • 多种模式生理感知系统
    • US20160287181A1
    • 2016-10-06
    • US15037315
    • 2013-12-05
    • APPLE INC.
    • Chin San HANAlbert WANG
    • A61B5/00A61B5/024
    • A61B5/7214A61B5/02416A61B5/6824A61B5/6825A61B5/6831A61B5/7225A61B5/7246A61B5/7435
    • A PPG signal may be obtained from a pulse oximeter, which employs a light emitter and a light sensor to measure the perfusion of blood to the skin of a user. However, the signal may be compromised by noise due to motion artifacts. To address the presence of motion artifacts, examples of the present disclosure can receive light information from each of two light guides, one in contact with the tissue of the user and one not in contact with the tissue of the user. First light information can be obtained from the first light guide, and second light information can be obtained from the second light guide. A heart rate signal can then be computed from the first and second light information, for example, by using blind source separation and/or cross-correlation.
    • PPG信号可以从采用光发射器和光传感器的脉搏血氧计获得,以测量血液对使用者皮肤的灌注。 然而,由于运动伪影,该信号可能被噪声所损害。 为了解决运动伪影的存在,本公开的示例可以从两个光导中的每一个接收光信息,一个与用户的组织接触,而不与用户的组织接触。 可以从第一光导获得第一光信息,并且可以从第二光导获得第二光信息。 然后可以例如通过使用盲源分离和/或互相关从第一和第二光信息计算心率信号。