公开(公告)号：US20160265969A1

公开(公告)日：2016-09-15

申请号：US14793747

申请日：2015-07-08

Applicant: PixArt Imaging Inc.

Inventor： Chun-Wei Chen ,  Ren-Hau Gu

IPC: G01J1/44 ,  G01J1/42

CPC classification number: G06F3/0317

Abstract: An image processing method capable of detecting noise includes adjusting a lighting unit to acquire an over-exposure image, comparing each pixel of the over-exposure image with at least one threshold value, labeling a pixel of the over-exposure image as the noise while bright intensity of the pixel is lower than the threshold value, and removing the noise to execute a displacement detecting calculation.

Abstract translation: 能够检测噪声的图像处理方法包括调整照明单元以获取过度曝光图像，将过曝光图像的每个像素与至少一个阈值进行比较，将过曝光图像的像素标记为噪声，同时 像素的亮度低于阈值，并且去除噪声以执行位移检测计算。

公开(公告)号：US09433382B2

公开(公告)日：2016-09-06

申请号：US13632327

申请日：2012-10-01

Applicant: PixArt Imaging Inc.

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

IPC: A61B5/00 ,  A61B5/11 ,  A61B5/1455 ,  G06F3/03

CPC classification number: A61B5/6898 ,  A61B5/1128 ,  A61B5/14552 ,  A61B5/721 ,  G06F3/0317 ,  G06F2203/0338

Abstract: There is provided a user interface system including a slave device and a master device. The slave device provides light of two different wavelengths to illuminate a finger surface, receives reflected light from the finger surface to generate a plurality of image frames, calculates and outputs an image data associated with a predetermined number of the image frames. The master device calculates a contact status and a displacement of the finger surface and a physiological characteristic of a user according to the image data.

Abstract translation: 提供了包括从设备和主设备的用户界面系统。 从设备提供两种不同波长的光以照亮手指表面，接收来自手指表面的反射光以产生多个图像帧，计算并输出与预定数量的图像帧相关联的图像数据。 主装置根据图像数据计算手指表面的接触状态和位移以及用户的生理特征。

公开(公告)号：US20160150960A1

公开(公告)日：2016-06-02

申请号：US14720845

申请日：2015-05-25

Applicant: PixArt Imaging Inc.

Inventor： Cheng-Nan Tsai ,  Hung-Ching Lai ,  Chih-Yuan Chuang ,  Hung-Yu Lai ,  Yung-Chang Lin ,  Yi-Min Liu ,  Ren-Hau Gu

IPC: A61B5/00 ,  H05K5/06

CPC classification number: A61B5/0059 ,  A61B5/6801 ,  A61B2562/18

Abstract: An optical detecting module with waterproofing function can be installed on a housing of a wearable device and includes an optical detecting component, a light source and a packaging structure. The light source is disposed by the optical detecting component, and the packaging structure provides the waterproofing function to the optical detecting component and the light source. The packaging structure includes a main body, a light emitting unit, alight incoming unit and a waterproofing component. The main body covers the optical detecting component and the light source. The light emitting unit and the light incoming unit are disposed on the main body and respectively face the light source and the optical detecting component. The waterproofing component is filled into a gap formed between the main body and the housing, to prevent moisture from leaking into the gap to rust terminals of the optical detecting component and the light source.

Abstract translation: 具有防水功能的光学检测模块可以安装在可穿戴装置的壳体上，并且包括光学检测部件，光源和包装结构。 光源由光学检测部件设置，并且包装结构为光学检测部件和光源提供防水功能。 包装结构包括主体，发光单元，进出单元和防水部件。 主体覆盖光学检测部件和光源。 发光单元和光入射单元设置在主体上并分别面对光源和光学检测部件。 防水部件被填充到形成在主体和壳体之间的间隙中，以防止水分泄漏到光学检测部件和光源的间隙中以防锈端子。

公开(公告)号：US20140241714A1

公开(公告)日：2014-08-28

申请号：US13888383

申请日：2013-05-07

Applicant: PIXART IMAGING INC.

Inventor： Chun-Wei Chen ,  Ren-Hau Gu

IPC: G06F3/03 ,  H04B7/26

CPC classification number: G06F3/03543 ,  G06F3/038 ,  G06F2203/0384

Abstract: A method of automatically switching connection is disclosed in the present invention. The method is applied to connection setting between a signal transmission device and at least one signal transceiver device. The method includes outputting a detecting signal to search the signal transceiver device within an effective range of the detecting signal, receiving a reacting signal generated according to the detecting signal, analyzing the detecting signal wherein the detecting signal represents a distance between the signal transmission device and the signal transceiver device, and switching the connection setting of the signal transmission device when the distance is smaller than a threshold, so that the signal transmission device can be matched with the signal transceiver device.

Abstract translation: 在本发明中公开了一种自动切换连接的方法。 该方法应用于信号传输设备与至少一个信号收发器设备之间的连接设置。 该方法包括输出检测信号，以在检测信号的有效范围内搜索信号收发器设备，接收根据检测信号产生的反应信号，分析检测信号，其中检测信号表示信号传输设备与 信号收发器设备，并且当距离小于阈值时切换信号传输设备的连接设置，使得信号传输设备可以与信号收发器设备匹配。

公开(公告)号：US20130300351A1

公开(公告)日：2013-11-14

申请号：US13665753

申请日：2012-10-31

Applicant: PIXART IMAGING INC.

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

IPC: H02J7/00 ,  H01F38/14

CPC classification number: H04B5/0087 ,  H02J7/025 ,  H02J50/12 ,  H02J50/40 ,  H02J50/90 ,  H04B5/0037

Abstract: A wireless transceiver coupled to a human interface device (HID) having a first coil is provided. The wireless transceiver includes a control module, a port, and a second coil. The control module includes a radio frequency (RF) unit, a conversion unit, and an electricity power unit. The RF unit is used to receive a RF signal outputted from the HID.The conversion unit coupled to the RF receiving unit is used to convert the RF signal to a data packet which is in accordance with the HID. The electricity power signal provides electricity power to the control module by the port. The electricity power unit drives the second coil according to the electricity power signal so that the second coil transmits an electromagnetic wave signal to the first coil of the HID by way of resonance and mutual inductance. Therefore, the wireless transceiver can charge to the HID wirelessly.

Abstract translation: 提供耦合到具有第一线圈的人机界面装置（HID）的无线收发器。 无线收发器包括控制模块，端口和第二线圈。 控制模块包括射频（RF）单元，转换单元和电力单元。 RF单元用于接收从HID输出的RF信号。 耦合到RF接收单元的转换单元用于将RF信号转换成符合HID的数据分组。 电力信号通过端口向控制模块提供电力。 电力单元根据电力信号驱动第二线圈，使得第二线圈通过谐振和互感将电磁波信号传输到HID的第一线圈。 因此，无线收发器可以无线充电到HID。

公开(公告)号：US12213780B2

公开(公告)日：2025-02-04

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

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.

公开(公告)号：US12193785B2

公开(公告)日：2025-01-14

申请号：US18628841

申请日：2024-04-08

Applicant: PixArt Imaging Inc.

Inventor： Ming-Chang Li ,  Ren-Hau Gu

IPC: A61B5/00 ,  A61B5/024 ,  A61B5/1455

Abstract: There is provided a physiological detection device including a light source, a light detector, a processing unit and a display device. The light source emits light to illuminate a skin surface. The light detector receives the light from the skin surface to output detected signals. The processing unit confirms an attached state according to the detected signals and controls the display device to show an indication signal or a warning message when the attached state is confirmed not good.

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.

公开(公告)号：US11969243B2

公开(公告)日：2024-04-30

申请号：US18135807

申请日：2023-04-18

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 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.

公开(公告)号：US11918329B2

公开(公告)日：2024-03-05

申请号：US17238378

申请日：2021-04-23

Applicant: PixArt Imaging Inc.

Inventor： Chiung-Wen Lin ,  Wei-Ru Han ,  Yang-Ming Chou ,  Cheng-Nan Tsai ,  Ren-Hau Gu ,  Chih-Yuan Chuang

IPC: A61B5/00 ,  A61B5/024

CPC classification number: A61B5/02427 ,  A61B5/742 ,  A61B5/7485 ,  A61B2562/046

Abstract: A physiological detection device includes system including a first array PPG detector, a second array PPG detector, a display and a processing unit. The first array PPG detector is configured to generate a plurality of first PPG signals. The second array PPG detector is configured to generate a plurality of second PPG signals. The display is configured to show a detected result of the physiological detection system. The processing unit is configured to convert the plurality of first PPG signals and the plurality of second PPG signals to a first 3D energy distribution and a second 3D energy distribution, respectively, and control the display to show an alert message.