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    HEART RATE DETECTING MODULE AND METHOD
    11.
    发明申请
    HEART RATE DETECTING MODULE AND METHOD 审中-公开

    公开(公告)号：US20180263519A1

    公开(公告)日：2018-09-20

    申请号：US15460893

    申请日：2017-03-16

    Applicant: PIXART IMAGING INC.

    Inventor： REN-HAU GU

    IPC: A61B5/024 ,  A61B5/00

    CPC classification number: A61B5/02427 ,  A61B2562/0238 ,  A61B2562/046

    Abstract: This instant disclosure provides a heart rate detecting module which includes an image sensor and a processor. The image sensor generates a plurality of image frames according to a light from a subject. The processor outputs a heart rate value based on a light intensity variance of the plurality of image frames. This instant disclosure further provides a heart rate detecting method which includes the following steps. A plurality of image frames are generated according to a light from a subject by an image sensor, and a heart rate value is outputted based on a light intensity variance of the plurality of image frames by a processor.

    ACTION RECOGNIZITION SYSTEM AND METHOD THEREOF
    12.
    发明申请
    ACTION RECOGNIZITION SYSTEM AND METHOD THEREOF 审中-公开
    行动识别系统及其方法

    公开(公告)号：US20160305875A1

    公开(公告)日：2016-10-20

    申请号：US14686974

    申请日：2015-04-15

    Applicant: PIXART IMAGING INC.

    Inventor： REN-HAU GU ,  CHUNG-WEN LO

    IPC: G01N21/55 ,  G01N21/84

    CPC classification number: A61B5/1123 ,  A61B5/0059 ,  A61B5/02416 ,  A61B5/1107 ,  A61B5/681 ,  A61B5/6824 ,  A61B2562/0219

    Abstract: An action recognition system is illustrated. The action recognition system has an annular body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The annular body is worn on a movable part of a user. One end of the light emitting unit is exposed on an inner side of the annular body, wherein the light emitting unit emits a first light beam illuminating at least a portion of the movable part. One end of the light sensing unit is exposed on the inner side of the annular body. The light sensing unit operatively senses a second light beam reflected by the at least portion of the movable part and generates a light sensing signal. The action recognition module is configured to operatively determine an action of the user according to the light sensing signal.

    Abstract translation: 示出了动作识别系统。 动作识别系统具有环形体，至少一个发光单元，至少一个感光单元和动作识别模块。 环形体被磨损在使用者的可移动部分上。 发光单元的一端暴露在环形体的内侧，其中发光单元发射照亮可动部分的至少一部分的第一光束。 光感测单元的一端在环状体的内侧露出。 光感测单元可操作地感测由可移动部分的至少部分反射的第二光束并产生光感测信号。 动作识别模块被配置为根据光感测信号可操作地确定用户的动作。

    ACTION RECOGNITION SYSTEM AND METHOD THEREOF
    13.
    发明公开
    ACTION RECOGNITION SYSTEM AND METHOD THEREOF 审中-公开

    公开(公告)号：US20240215868A1

    公开(公告)日：2024-07-04

    申请号：US18605924

    申请日：2024-03-15

    Applicant: PIXART IMAGING INC.

    Inventor： REN-HAU GU ,  CHUNG-WEN LO

    IPC: A61B5/11 ,  A61B5/00 ,  A61B5/024

    CPC classification number: A61B5/1123 ,  A61B5/1107 ,  A61B5/0059 ,  A61B5/02416 ,  A61B5/681 ,  A61B5/6824 ,  A61B2562/0219

    Abstract: A wearable device is illustrated. The wearable device has a body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The wearable device is suitable for wearing on a wrist of a user. The light emitting unit is disposed on an inner side of the body, and the light emitting unit emits a light beam illuminating at least a portion of the wrist. The light sensing unit operatively senses the light beam reflected by the at least portion of the wrist and generates a light sensing signal. The action recognition module is configured to operatively determine a function that corresponds to an action of the user.

    ACTION RECOGNITION SYSTEM AND METHOD THEREOF
    14.
    发明公开
    ACTION RECOGNITION SYSTEM AND METHOD THEREOF 审中-公开

    公开(公告)号：US20230248267A1

    公开(公告)日：2023-08-10

    申请号：US18135807

    申请日：2023-04-18

    Applicant: PIXART IMAGING INC.

    Inventor： REN-HAU GU ,  CHUNG-WEN LO

    IPC: A61B5/11

    CPC classification number: A61B5/1123 ,  A61B5/1107 ,  A61B5/0059

    Abstract: A wearable device is illustrated. The wearable device has a body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The wearable device is suitable for wearing on a movable part of a user. The light emitting unit is disposed on an inner side of the body, wherein the light emitting unit emits a light beam illuminating at least a portion of the movable part. The light sensing unit operatively senses the light beam reflected by the at least portion of the movable part and generates a light sensing signal. The action recognition module is configured to operatively determine a function that corresponds to an action of the user.

    THIN BIOMETRIC DETECTION MODULE
    18.
    发明申请
    THIN BIOMETRIC DETECTION MODULE 有权
    薄生物量检测模块

    公开(公告)号：US20150104083A1

    公开(公告)日：2015-04-16

    申请号：US14300401

    申请日：2014-06-10

    Applicant: PIXART IMAGING INC.

    Inventor： REN-HAU GU ,  YEN-MIN CHANG

    IPC: G06K9/00

    CPC classification number: G06K9/0004 ,  G06K2009/0006

    Abstract: There is provided a thin biometric detection module, which is advantageous in being able to detect scattered light from body tissue after the light transmitting in the body tissue without additional optical mechanism placed on the semiconductor optical detection pixel of the detection module for biometric detection.

    Abstract translation: 提供了薄的生物特征检测模块，其有利的是能够在身体组织中的光透射之后检测来自身体组织的散射光，而不需要将附加的光学机构放置在用于生物特征检测的检测模块的半导体光学检测像素上。

    MOTION DETECTING DEVICE AND THE METHOD FOR DYNAMICALLY ADJUSTING IMAGE SENSING AREA THEREOF
    19.
    发明申请
    MOTION DETECTING DEVICE AND THE METHOD FOR DYNAMICALLY ADJUSTING IMAGE SENSING AREA THEREOF 有权
    运动检测装置及其动态调整图像感测方法

    公开(公告)号：US20140313132A1

    公开(公告)日：2014-10-23

    申请号：US14057081

    申请日：2013-10-18

    Applicant: PIXART IMAGING INC.

    Inventor： CHUN-WEI CHEN ,  REN-HAU GU ,  SHIH-WEI KUO

    IPC: G06F3/0354

    CPC classification number: G06F3/038 ,  G06F3/0317 ,  G06F3/03543

    Abstract: A motion detecting device and the method for dynamically adjusting image sensing area is disclosed. The motion detecting device includes a light source, an image capture unit and a processing unit. The image capture unit is used to capture reference image according to fixed sampling period. The processing unit is used to calculate exposure reference value of the light source and image characteristic value of reference image. The processing unit according to the exposure reference value and the image characteristic value to determine whether the surface is in first rough coefficient range or second rough coefficient range. If rough coefficient of the surface is in the first rough coefficient range, the processing unit defines first search radius or second search radius to increase or decrease the image sensing area. Otherwise, the processing unit defines third search radius or fourth search radius to increase or decrease the image sensing area.

    Abstract translation: 公开了一种运动检测装置和用于动态调整图像感测区域的方法。 运动检测装置包括光源，图像捕获单元和处理单元。 图像捕获单元用于根据固定采样周期捕获参考图像。 处理单元用于计算光源的曝光参考值和参考图像的图像特征值。 该处理单元根据曝光参考值和图像特征值来确定表面是处于第一粗糙系数范围还是第二粗糙系数范围。 如果表面的粗糙系数处于第一粗糙系数范围内，则处理单元定义第一搜索半径或第二搜索半径以增加或减少图像感测区域。 否则，处理单元定义第三搜索半径或第四搜索半径以增加或减少图像感测区域。

    PHYSIOLOGICAL DETECTION DEVICE CAPABLE OF CANCELING MOTION ARTIFACT
    20.
    发明申请
    PHYSIOLOGICAL DETECTION DEVICE CAPABLE OF CANCELING MOTION ARTIFACT 有权

    公开(公告)号：US20240382159A1

    公开(公告)日：2024-11-21

    申请号：US18787350

    申请日：2024-07-29

    Applicant: PixArt Imaging Inc.

    Inventor： REN-HAU GU ,  Chih-Hsin Lin

    IPC: A61B5/00 ,  A61B5/024 ,  A61B5/0245 ,  A61B5/25

    Abstract: There is provided a physiological detection device including a white light source, a molding and a pixel array. The white light source is configured to emit white light having a color temperature between 2800K and 3200K. The molding is formed upon the white light source and configured to constrain an emission angle of the white light between 60 and 80 degrees. The pixel array is covered by a filter layer having a passband between 570 nm and 620 nm configured to filter the white light.

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