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    SKIN PROXIMITY AND TILT EFFECT SENSOR
    1.
    发明申请
    SKIN PROXIMITY AND TILT EFFECT SENSOR 审中-公开
    皮肤接近和倾斜效应传感器

    公开(公告)号：WO2015094378A1

    公开(公告)日：2015-06-25

    申请号：PCT/US2013/077319

    申请日：2013-12-20

    Applicant: APPLE INC.

    Inventor： SHI, Justin ,  LAND, Brian R. ,  KESTELLI, Nevzat A. ,  ISIKMAN, Serhan O.

    IPC: A61B5/00 ,  A61B5/11

    CPC classification number: A61B5/6844 ,  A61B5/0059 ,  A61B5/02416 ,  A61B5/1118 ,  A61B5/6898 ,  A61B5/721 ,  A61B5/7278 ,  A61B5/742 ,  A61B5/7475 ,  A61B2560/0468 ,  A61B2562/046 ,  A61B2562/14

    Abstract: A portable electronic device include one or more electrodes for calculating distances and rotational angles between the device and the user is disclosed. Based on the calculated distances and rotational angles, a physical activity of the user can be determined. Additionally, the calculated distances and rotational angles can be used for compensation of optical artifacts in one or more signals detected by the device. User movement or physical activity can introduce optical artifacts, which can lead to erroneous determination of the one or more characteristics. The calculated distances and rotational angles can be used to reduce or remove the optical artifacts, leading to a more accurate determination of the one or more characteristics of the user.

    Abstract translation: 公开了一种便携式电子设备，包括用于计算设备与用户之间的距离和旋转角度的一个或多个电极。 基于计算的距离和旋转角度，可以确定用户的身体活动。 另外，计算的距离和旋转角度可用于补偿由装置检测到的一个或多个信号中的光学伪影。 用户移动或身体活动可引入光学伪影，这可能导致错误地确定一个或多个特征。 计算出的距离和旋转角度可用于减少或去除光学伪影，从而更准确地确定用户的一个或多个特征。

    MULTIPLE LIGHT PATHS ARCHITECTURE AND OBSCURATION METHODS FOR SIGNAL AND PERFUSION INDEX OPTIMIZATION
    2.
    发明公开
    MULTIPLE LIGHT PATHS ARCHITECTURE AND OBSCURATION METHODS FOR SIGNAL AND PERFUSION INDEX OPTIMIZATION 审中-公开
    MEHRFACHLICHTPFADARCHITEKTURTRÜBUNGSVERFAHRENZUR SIGNAL- UND PERFUSIONSINDEX OPTIMIERUNG

    公开(公告)号：EP2992821A1

    公开(公告)日：2016-03-09

    申请号：EP15179618.2

    申请日：2015-08-04

    Applicant: APPLE INC.

    Inventor： HAN, Chin San ,  LAND, Brian Richards ,  BLOCK, Ueyn ,  KESTELLI, Nevzat Akin ,  ISIKMAN, Serhan ,  WANG, Albert ,  SHI, Justin

    IPC: A61B5/024 ,  A61B5/00

    CPC classification number: G01N21/4738 ,  A61B5/0059 ,  A61B5/02416 ,  A61B5/681 ,  A61B5/6898 ,  A61B5/7203 ,  A61B2560/0475 ,  A61B2562/0233 ,  G01N21/55 ,  G01N2201/062 ,  G01N2201/0638 ,  G01N2201/068

    Abstract: A photoplethysmographic (PPG) device is disclosed. The PPG device can include one or more light emitters and one or more light sensors to generate the multiple light paths for measuring a PPG signal and perfusion indices of a user. The multiple light paths between each pair of light emitters and light detectors can include different separation distances to generate both an accurate PPG signal and a perfusion index value to accommodate a variety of users and usage conditions. In some examples, the multiple light paths can include the same separation distances for noise cancellation due to artifacts resulting from, for example, tilt and/or pull of the device, a user's hair, a user's skin pigmentation, and/or motion. The PPG device can further include one or more lenses and/or reflectors to increase the signal strength and/or and to obscure the optical components and associated wiring from being visible to a user's eye.

    Abstract translation: 公开了一种光电体积描记术（PPG）装置。 PPG装置可以包括一个或多个光发射器和一个或多个光传感器，以产生测量PPG信号和用户灌注指数的多个光路。 每对光发射器和光检测器之间的多个光路可以包括不同的间隔距离，以产生准确的PPG信号和灌注指数值，以适应各种用户和使用条件。 在一些示例中，由于例如由设备的倾斜和/或拉动，用户的头发，用户的皮肤色素沉着和/或运动引起的伪像，多个光路可以包括相同的用于噪声消除的间隔距离。 PPG装置还可以包括一个或多个透镜和/或反射器，以增加信号强度和/或使遮蔽光学部件和相关联的布线不被用户可见。

    MULTIPLE LIGHT PATHS ARCHITECTURE AND OBSCURATION METHODS FOR SIGNAL AND PERFUSION INDEX OPTIMIZATION
    3.
    发明公开
    MULTIPLE LIGHT PATHS ARCHITECTURE AND OBSCURATION METHODS FOR SIGNAL AND PERFUSION INDEX OPTIMIZATION 审中-公开

    公开(公告)号：EP3970608A1

    公开(公告)日：2022-03-23

    申请号：EP21205965.3

    申请日：2015-08-04

    Applicant: Apple Inc.

    Inventor： HAN, Chin San ,  LAND, Brian Richards ,  BLOCK, Ueyn ,  KESTELLI, Nevzat Akin ,  ISIKMAN, Serhan ,  WANG, Albert ,  SHI, Justin

    IPC: A61B5/024 ,  A61B5/00

    Abstract: A photoplethysmographic (PPG) device is disclosed. The PPG device can include one or more light emitters and one or more light sensors to generate the multiple light paths for measuring a PPG signal and perfusion indices of a user. The multiple light paths between each pair of light emitters and light detectors can include different separation distances to generate both an accurate PPG signal and a perfusion index value to accommodate a variety of users and usage conditions. In some examples, the multiple light paths can include the same separation distances for noise cancellation due to artifacts resulting from, for example, tilt and/or pull of the device, a user's hair, a user's skin pigmentation, and/or motion. The PPG device can further include one or more lenses and/or reflectors to increase the signal strength and/or and to obscure the optical components and associated wiring from being visible to a user's eye.

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