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    Operating method of 3D physiological detection system
    2.
    发明授权
    Operating method of 3D physiological detection system 有权

    公开(公告)号：US11076768B2

    公开(公告)日：2021-08-03

    申请号：US16412702

    申请日：2019-05-15

    Applicant: PixArt Imaging Inc.

    Inventor： Sen-Huang Huang ,  Ren-Hau Gu

    IPC: A61B5/024 ,  A61B5/00

    Abstract: A physiological detection system including an image sensor, a converting unit, a retrieving unit and a processing unit is provided. The image sensor includes a plurality of pixels respectively configured to output a PPG signal. The converting unit is configured to convert a plurality of PPG signals of a plurality of pixels regions to a plurality of frequency domain signals. The retrieving unit is configured to respectively retrieve a spectral energy of the frequency domain signals corresponding to each of the pixel regions. The processing unit is configured to construct a 3D energy distribution according to the spectral energies.

    Exposure adjusting apparatus, image normalizing apparatus and image normalizing method
    3.
    发明授权
    Exposure adjusting apparatus, image normalizing apparatus and image normalizing method 有权
    曝光调节装置，图像归一化装置和图像归一化方法

    公开(公告)号：US09063435B2

    公开(公告)日：2015-06-23

    申请号：US13888374

    申请日：2013-05-07

    Applicant: PixArt Imaging Inc.

    Inventor： Yu-Hao Huang ,  Ming-Tsan Kao ,  Sen-Huang Huang

    IPC: G03B7/08 ,  G03F7/20

    CPC classification number: G03F7/70483

    Abstract: An exposure adjusting apparatus, which comprises: an image sensor, for catching an image according to an exposure parameter; a computing apparatus, for computing an exposure amount of the image and for determining whether the exposure amount is in a predetermined exposure range or not; and an exposure updating apparatus. If the exposure amount is in the predetermined exposure range, the exposure updating apparatus does not adjust the exposure amount. If the exposure amount is not in the predetermined exposure range, the exposure updating apparatus generates at least one adjusting amount according to at least one of the predetermined exposure range, the exposure amount and the exposure parameter, and utilizes the adjusting amount to increase or decrease the exposure parameter to generate a new exposure parameter.

    Abstract translation: 一种曝光调节装置，包括：图像传感器，用于根据曝光参数捕获图像; 计算装置，用于计算图像的曝光量并确定曝光量是否在预定的曝光范围内; 和曝光更新装置。 如果曝光量在预定曝光范围内，则曝光更新装置不调整曝光量。 如果曝光量不在预定曝光范围内，曝光更新装置根据预定曝光范围，曝光量和曝光参数中的至少一个产生至少一个调节量，并利用调整量来增加或减少 曝光参数来生成新的曝光参数。

    POWER-SAVING SENSING MODULE AND METHOD THEREOF
    5.
    发明申请
    POWER-SAVING SENSING MODULE AND METHOD THEREOF 有权
    节能感应模块及其方法

    公开(公告)号：US20130300713A1

    公开(公告)日：2013-11-14

    申请号：US13665821

    申请日：2012-10-31

    Applicant: PIXART IMAGING INC.

    Inventor： Ren-Hau Gu ,  Ming-Tsan Kao ,  Sen-Huang Huang

    IPC: G06F3/042

    CPC classification number: G06F1/3259 ,  Y02D10/155 ,  Y02D50/20

    Abstract: A power-saving sensing module includes a light source, a first and a second sensor, a first and a second detection unit, and a controller. The first sensor detects a touch of an external object to generate a first sensing signal corresponding to the touch. The first detection unit generates a touch signal corresponding to the first sensing signal.The second sensor senses a second sensing signal corresponding to the external object in response to the light ray. When the touch signal is greater than a touch threshold value, the second detection unit outputs a displacement signal corresponding to the second sensing signal. The controller outputs a control signal in response to the touch signal of the first detection unit and the touch threshold value, so that the second detection unit operates at a dormant state or a sensing state in response to the control signal.

    Abstract translation: 省电感测模块包括光源，第一和第二传感器，第一和第二检测单元以及控制器。 第一传感器检测外部对象的触摸以产生对应于触摸的第一感测信号。 第一检测单元产生对应于第一感测信号的触摸信号。 第二传感器响应于光线感测对应于外部物体的第二感测信号。 当触摸信号大于触摸阈值时，第二检测单元输出与第二感测信号对应的位移信号。 控制器响应于第一检测单元的触摸信号和触摸阈值输出控制信号，使得第二检测单元响应于控制信号而处于休眠状态或感测状态。

    3D physiological detection system and host displaying 3D energy distribution
    7.
    发明授权
    3D physiological detection system and host displaying 3D energy distribution 有权

    公开(公告)号：US12171534B2

    公开(公告)日：2024-12-24

    申请号：US17362297

    申请日：2021-06-29

    Applicant: PixArt Imaging Inc.

    Inventor： Sen-Huang Huang ,  Ren-Hau Gu

    IPC: A61B5/024 ,  A61B5/00

    Abstract: A physiological detection system including an image sensor, a converting unit, a retrieving unit and a processing unit is provided. The image sensor includes a plurality of pixels respectively configured to output a PPG signal. The converting unit is configured to convert a plurality of PPG signals of a plurality of pixels regions to a plurality of frequency domain signals. The retrieving unit is configured to respectively retrieve a spectral energy of the frequency domain signals corresponding to each of the pixel regions. The processing unit is configured to construct a 3D energy distribution according to the spectral energies.

    OBJECT POSITION DETERMINING SYSTEM AND OBJECT DETECTION SYSTEM
    9.
    发明申请
    OBJECT POSITION DETERMINING SYSTEM AND OBJECT DETECTION SYSTEM 有权

    公开(公告)号：US20230045075A1

    公开(公告)日：2023-02-09

    申请号：US17579529

    申请日：2022-01-19

    Applicant: PixArt Imaging Inc.

    Inventor： Ming Shun Manson Fei ,  Sen-Huang Huang ,  Chi-Chieh Liao

    IPC: G06T7/70 ,  G06T7/521

    Abstract: An object position determining system comprising: at least one light source, configured to emit light; at least one optical sensor, configured to sense optical data generated based on reflected light of the light; and a processing circuit, configured to compute distance information between the optical sensor and an object which generates the reflected light. The processing circuit further determines a position of the object according to the distance information.

    Image sensor employing avalanche diode and shared output circuit
    10.
    发明授权
    Image sensor employing avalanche diode and shared output circuit 有权

    公开(公告)号：US11528444B2

    公开(公告)日：2022-12-13

    申请号：US17562326

    申请日：2021-12-27

    Applicant: PixArt Imaging Inc.

    Inventor： Sen-Huang Huang ,  Tso-Sheng Tsai

    IPC: H04N5/3745 ,  H01L27/146 ,  H04N5/378 ,  H04N5/374 ,  H01L31/107

    Abstract: There is provided an image sensor employing an avalanche diode. The image sensor includes a plurality of pixel circuits arranged in a matrix, a plurality of pulling circuits, a plurality of output circuits and a global current source circuit. Each of the plurality of pixel circuits includes a single photon avalanche diode and a P-type or N-type select switch transistor. Each of the plurality of pulling circuits is arranged corresponding to one pixel circuit column. The global current source circuit is used to form a current mirror with each of the plurality of pulling circuits. Each of the plurality of output circuits is shared by at least two pixel circuits.

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