公开(公告)号：US20200064931A1

公开(公告)日：2020-02-27

申请号：US16670654

申请日：2019-10-31

Applicant: PixArt Imaging Inc.

Inventor： YU-HAO HUANG ,  MING-TSAN KAO ,  SEN-HUANG HUANG

IPC: G06F3/03 ,  G06F3/0354 ,  G06F3/038

Abstract: There is provided an optical navigation device including an image sensor, a processing unit, a storage unit and an output unit. The image sensor is configured to successively capture images. The processing unit is configured to calculate a current displacement according to the images and to compare the current displacement or an accumulated displacement with a threshold so as to determine an outputted displacement. The storage unit is configured to save the accumulated displacement. The output unit is configured to output the outputted displacement with a report rate.

公开(公告)号：US20190156111A1

公开(公告)日：2019-05-23

申请号：US16252769

申请日：2019-01-21

Applicant: PixArt Imaging Inc.

Inventor： LIANG-CHI CHIU ,  YU-HAN CHEN ,  MING-TSAN KAO

IPC: G06K9/00 ,  B60R25/25

Abstract: A user recognition and confirmation device includes an image sensing unit, a face recognition unit, a display unit and an expression recognition unit. The image sensing unit captures a first image frame and a second image frame. The face recognition unit is configured to recognize a user ID according to the first image frame. The display unit is configured to show ID information of the user ID. The expression recognition unit is configured to confirm a user expression according to the second image frame and output a confirm signal. There is further provided a user recognition and confirmation method and a central control system for vehicles.

公开(公告)号：US20190108395A1

公开(公告)日：2019-04-11

申请号：US16213043

申请日：2018-12-07

Applicant: PixArt Imaging Inc.

Inventor： YU-HAO HUANG ,  MING-TSAN KAO ,  YI-FANG LEE ,  EN-FENG HSU ,  MENG-HUAN HSIEH ,  NIEN-TSE CHEN

IPC: G06K9/00 ,  H04N5/235 ,  G06F3/01

Abstract: There is provided a pupil tracking device including an active light source, an image sensor and a processing unit. The active light source emits light toward an eyeball alternatively in a first brightness value and a second brightness value. The image sensor captures a first brightness image corresponding to the first brightness value and a second brightness image corresponding to the second brightness value. The processing unit identifies a brightest region at corresponding positions of the first brightness image and the second brightness image as an active light image.

公开(公告)号：US20140253497A1

公开(公告)日：2014-09-11

申请号：US14161827

申请日：2014-01-23

Applicant: PixArt Imaging Inc.

Inventor： FU-CHEN CHEN ,  MING-TSAN KAO ,  YU-HAN CHEN

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F1/3262 ,  G06F3/044 ,  Y02D50/20

Abstract: There is provided a capacitive touch device including a controlling and processing circuit and a touch panel. The touch panel has a plurality of detection cells arranged in matrix. The controlling and processing circuit is configured to input a drive signal to the detection cells of the touch panel and read measurement data from the detection cells for post-processing, wherein the controlling and processing circuit reads a first sampling number of the measurement data of the detection cells in a normal mode and a second sampling number of the measurement data of the detection cells in a sleep mode, and the second sampling number is lower than the first sampling number.

Abstract translation: 提供了包括控制和处理电路和触摸面板的电容式触摸装置。 触摸面板具有排列成矩阵状的多个检测单元。 控制和处理电路被配置为向触摸面板的检测单元输入驱动信号，并从用于后处理的检测单元读取测量数据，其中控制和处理电路读取第一取样数量的测量数据 正常模式的检测单元和睡眠模式下的检测单元的测量数据的第二采样数，第二采样数低于第一采样数。

公开(公告)号：US20130271429A1

公开(公告)日：2013-10-17

申请号：US13912192

申请日：2013-06-06

Applicant: Pixart Imaging Inc.

Inventor： TZUNG-MIN SU ,  CHIH-HSIN LIN ,  MING-TSAN KAO

IPC: G06F3/042

CPC classification number: G06F3/0421 ,  G06F3/0416 ,  G06F3/0428 ,  G06F2203/04104 ,  G06F2203/04106

Abstract: A touch-control system adapted to be used with a plurality of pointers is provided. The touch-control system includes a touch-control panel, a first pointer sensing module, a second pointer sensing module and a processing circuit. The first pointer sensing module is configured to sense a first set of image information of the pointers and accordingly calculate a first candidate coordinate group of the pointers. The second pointer sensing module is configured to sense a second set of image information of the pointers. The processing circuit is electrically coupled to the first and second pointer sensing modules and configured to select, according to the second set of image information, two or more coordinate positions in the first candidate coordinate group to as actual coordinate positions of the pointers.

Abstract translation: 提供一种适于与多个指针一起使用的触摸控制系统。 触摸控制系统包括触摸控制面板，第一指针感测模块，第二指针感测模块和处理电路。 第一指针感测模块被配置为感测指针的第一组图像信息，并且因此计算指针的第一候选坐标组。 第二指针感测模块被配置为感测指针的第二组图像信息。 处理电路电耦合到第一和第二指示器感测模块，并且被配置为根据第二组图像信息将第一候选坐标组中的两个或更多个坐标位置选择为指针的实际坐标位置。

公开(公告)号：US20240004077A1

公开(公告)日：2024-01-04

申请号：US18369866

申请日：2023-09-19

Applicant: PIXART IMAGING INC.

Inventor： GUO-ZHEN WANG ,  MING-TSAN KAO

IPC: G01S17/89 ,  G01S17/46

CPC classification number: G01S17/89 ,  G01S17/46

Abstract: Disclosed are a distance measuring method and a distance measuring apparatus. During the distance measuring, an image is obtained. If the location of a center of gravity of the image is within a first segment, the calculating unit calculates a distance between the object and the distance measuring apparatus corresponding to the projection point, according to a first mapping relationship and the location of a center of gravity of the image. If the location of a center of gravity of the image is within a second segment, the calculating unit calculates a distance between the object and the distance measuring apparatus corresponding to the projection point according to a second mapping relationship and the location of a center of gravity of the image.

公开(公告)号：US20160012656A1

公开(公告)日：2016-01-14

申请号：US14684648

申请日：2015-04-13

Applicant: PIXART IMAGING INC.

Inventor： CHIH-YUAN CHUANG ,  CHENG-NAN TSAI ,  MING-TSAN KAO ,  YEN-MIN CHANG

IPC: G07C9/00

CPC classification number: G07C9/00071 ,  G07C2009/00095

Abstract: A control system including a detection device and a control host is provided. The detection device is configured to detect a biometric characteristic to accordingly identify a user ID, and output an ID signal according to the user ID. The control host is configured to receive the ID signal to accordingly perform an individualized control associated with the user ID.

Abstract translation: 提供了包括检测装置和控制主机的控制系统。 检测装置被配置为检测生物特征以相应地识别用户ID，并根据用户ID输出ID信号。 控制主机被配置为接收ID信号以相应地执行与用户ID相关联的个性化控制。

公开(公告)号：US20160007929A1

公开(公告)日：2016-01-14

申请号：US14685782

申请日：2015-04-14

Applicant: PIXART IMAGING INC.

Inventor： CHIH-YUAN CHUANG ,  CHENG-NAN TSAI ,  MING-TSAN KAO ,  YEN-MIN CHANG

IPC: A61B5/00 ,  A61B5/1455

CPC classification number: A61B5/7214 ,  A61B5/02427 ,  A61B5/02433 ,  A61B5/02438 ,  A61B5/14552 ,  A61B5/6803 ,  A61B5/6815 ,  A61B5/725 ,  A61B5/742 ,  A61B2562/0238

Abstract: A biometric detection module including a light source module, a detection region and a control module is provided. The light source module is configured to emit green light, red light and IR light in a time division manner to illuminate a skin surface. The detection region is configured to detect penetration light emitted from the light source module for illuminating the skin surface and passing through body tissues to correspondingly generate a green light signal, a red light signal and an IR light signal. The control module is configured to determine a filtering parameter according to the green light signal to accordingly filter the red light signal and the IR light signal, and calculate a biometric characteristic according to at least one of the green light signal, a filtered red light signal and a filtered IR light signal.

Abstract translation: 提供了包括光源模块，检测区域和控制模块的生物特征检测模块。 光源模块被配置为以时分方式发射绿光，红光和红外光以照射皮肤表面。 检测区域被配置为检测从光源模块发射的穿透光，用于照射皮肤表面并穿过身体组织，以相应地产生绿光信号，红光信号和IR光信号。 所述控制模块被配置为根据所述绿光信号确定滤波参数，以相应地对所述红光信号和所述IR光信号进行滤波，并且根据所述绿光信号，滤波红光信号中的至少一个来计算生物特征 和滤波后的IR光信号。

公开(公告)号：US20150116480A1

公开(公告)日：2015-04-30

申请号：US14450377

申请日：2014-08-04

Applicant: PIXART IMAGING INC.

Inventor： CHIA-CHEUN LIANG ,  MING-TSAN KAO ,  YI-HSIEN KO ,  HSIN-CHIA CHEN

IPC: H04N7/18 ,  G08G1/16 ,  G06K9/00

CPC classification number: G05D1/0246

Abstract: There is provided a mobile carrier and an auto following system using the mobile carrier. The mobile carrier is capable of capturing at least an image of a guiding light source and automatically following the guiding light source based on the captured image of the guiding light source. The mobile carrier is further disposed with a mobile light source for a remote image sensing device to capture an image of the mobile light source while the mobile carrier cannot capture the image of the guiding light source, so that the mobile carrier can be guided by a control signal provided according to the captured image of the mobile light source.

Abstract translation: 提供了使用移动运营商的移动运营商和自动跟踪系统。 移动载体能够至少捕获引导光源的图像，并且基于引导光源的捕获图像自动跟随引导光源。 移动载体进一步设置有用于远程图像感测装置的移动光源以捕获移动光源的图像，同时移动载体不能捕获引导光源的图像，使得移动载体可以被引导 根据移动光源的拍摄图像提供的控制信号。

公开(公告)号：US20220083765A1

公开(公告)日：2022-03-17

申请号：US17534870

申请日：2021-11-24

Applicant: PixArt Imaging Inc.

Inventor： LIANG-CHI CHIU ,  YU-HAN CHEN ,  MING-TSAN KAO

IPC: G06K9/00 ,  B60R25/25

Abstract: A vehicle device setting method including: capturing, by an image sensing unit, a first image frame; recognizing a user ID according to the first image frame; showing ID information of the recognized user ID on a screen or by a speaker; capturing a second image frame; generating a confirm signal when a first user expression is recognized by calculating an expression feature in the second image frame and comparing the recognized expression feature with stored expression data associated with a predetermined user expression to confirm whether the recognized user ID is correct or not according to the second image frame captured after the ID information is shown; controlling an electronic device according to the confirm signal; and entering a data update mode instructed by the user and updating setting information of the electronic device by current electronic device setting according to a saving signal generated by confirming a second user expression in a third image frame captured after the user ID is confirmed through showing the ID information.