公开(公告)号：US20220229460A1

公开(公告)日：2022-07-21

申请号：US17152730

申请日：2021-01-19

Applicant: PixArt Imaging Inc.

Inventor： Chao-Chien Huang ,  Yi-Chung Chen

IPC: G05G9/047 ,  G06F3/0338

Abstract: A joystick includes a casing, a stick body, an identification mark and an optical sensor. The casing has a hole. The stick body is movably disposed on the casing. The stick body has a first section and a second section. The first section penetrates through the hole to protrude from the casing, and the second section is inside the casing. The identification mark is disposed on the second section of the stick body. The identification includes a first line group and a second line group crossed to each other. The first line group and the second line group respectively has a plurality of lines with different widths and arranged adjacent to each other. The optical sensor is disposed inside the casing and adapted to acquire an identification image containing the identification mark to determine a gesture of the stick body.

公开(公告)号：US10953281B2

公开(公告)日：2021-03-23

申请号：US16153072

申请日：2018-10-05

Applicant: PIXART IMAGING INC.

Inventor： Wei-Feng Wei ,  Chao-Chien Huang ,  Chi-Yang Huang

IPC: A63B24/00 ,  A63B22/02 ,  A63B71/00 ,  A63B71/06

Abstract: A treadmill includes a base including two rest zones and a running zone arranged between the two rest zones; a running track disposed in the running zone of the base enabling a user to exercise thereon; and a detection module. The detection module includes a light emitter emitting light to cover the two rest zones and the running zone, and at least one light sensor detecting a position and a speed of the user according to a reflected light from the user.

公开(公告)号：US10293210B2

公开(公告)日：2019-05-21

申请号：US15418621

申请日：2017-01-27

Applicant: PIXART IMAGING INC.

Inventor： Wei-Feng Wei ,  Chao-Chien Huang ,  Chi-Yang Huang ,  Jung-Tai Lin

IPC: A63B22/02 ,  A63B24/00

Abstract: A treadmill and a control method for controlling the treadmill belt thereof are provided. The treadmill includes a treadmill belt, a first sensor, an image sensor, and a controller. The first sensor retrieves a light pattern or the image sensor measures the characteristic properties of the image of the user so as to control the treadmill belt. The light pattern can be generated by a signal member, which can be disposed on a side or both sides of the treadmill belt.

公开(公告)号：US20140028552A1

公开(公告)日：2014-01-30

申请号：US13802849

申请日：2013-03-14

Applicant: PIXART IMAGING INC.

Inventor： Chia-Cheun Liang ,  Wen-Yu Yang ,  Chao-Chien Huang ,  Chi-Yang Huang ,  Hung-Yu Lee ,  Ming-Tsan Kao

IPC: G06F3/033

CPC classification number: G06F3/033 ,  G06F3/0325 ,  G06F3/0346

Abstract: An image detecting method, comprising: controlling a synchronizing controller to transmit a first activating signal to a light source controller; controlling the light source controller to control at least one light source to generate a predetermined radiating pattern, and controlling the light source controller to transmit back a first responding signal to the synchronizing controller when the light source controller receives the first activating signal; and controlling an image sensor to start an image detecting when the synchronizing controller receives the first responding signal.

Abstract translation: 一种图像检测方法，包括：控制同步控制器将第一激活信号发送到光源控制器; 控制所述光源控制器以控制至少一个光源以产生预定的辐射图案，并且当所述光源控制器接收到所述第一激活信号时，控制所述光源控制器向所述同步控制器发回第一响应信号; 以及当同步控制器接收到第一响应信号时，控制图像传感器开始图像检测。

公开(公告)号：US20240135553A1

公开(公告)日：2024-04-25

申请号：US17970542

申请日：2022-10-19

Applicant: PixArt Imaging Inc.

Inventor： Yi-Chung Chen ,  Chao-Chien Huang ,  Chung-Yuo Wu

IPC: G06T7/246 ,  A63F13/213 ,  A63F13/24 ,  G06F3/0338

CPC classification number: G06T7/248 ,  A63F13/213 ,  A63F13/24 ,  G06F3/0338 ,  A63F2300/1043 ,  A63F2300/1087

Abstract: A movement detection method, applied to a navigation input device with a navigation pattern comprising a center pattern and a radial pattern. The movement detection method comprises: (a)capturing a sensing image comprising a center pattern image and at least portion of a radial pattern image by an image sensor, wherein the center pattern image corresponds to the center pattern and the radial pattern image corresponding to the radial pattern; (b)computing a translation of the navigation input device according to shift of the center pattern image; and (c)computing a rotation angle of the navigation input device according to a first pattern relation between the center pattern image and a first portion of the radial pattern image. The translation and the rotation angle can be precisely and sensitively detected even if the joystick device is miniaturized, since the translation and the rotation angle are computed according to the navigation pattern.

公开(公告)号：US20230140548A1

公开(公告)日：2023-05-04

申请号：US17862381

申请日：2022-07-11

Applicant: PixArt Imaging Inc.

Inventor： Chao-Chien Huang ,  Yi-Chung Chen

IPC: G06F3/04812 ,  A63F13/42

Abstract: A cursor control method, for moving a cursor on a first displayed image and a second displayed image, comprising: (a) receiving a first displacement value when the cursor is within a first region of the first displayed image and receiving a second displacement value when the cursor is within a second region of the first displayed image; (b) moving the cursor with a first moving value on the first displayed image, which is obtained from the first displacement value and a first ratio; and (d) moving the cursor with a second moving value on a second displayed image, which is obtained from the second displacement value and a second ratio; wherein the first ratio is different from the second ratio; wherein the second displayed image is a zoom out and partial image of the first displayed image. By this way, the cursor movement accuracy can be increased.

公开(公告)号：US11204618B2

公开(公告)日：2021-12-21

申请号：US17069824

申请日：2020-10-13

Applicant: PixArt Imaging Inc.

Inventor： Chao-Chien Huang ,  Yen-Hung Wang ,  Yi-Chung Chen ,  Hui-Hsuan Chen ,  Yi-Hsien Ko

IPC: G05G9/047

Abstract: A joystick includes a casing, a stick body and an optical sensor. The casing has a hole. The stick body is movably disposed on the casing via the hole. The stick body includes a pressing portion, an indication portion and an identification pattern. The indication portion is connected to the pressing portion and inserts into the hole. A sunken structure is formed on a bottom of the indication portion. The identification pattern is disposed on an inner surface of the sunken structure. The optical sensor is disposed inside the casing and faces the sunken structure, and adapted to analyze a movement of the identification pattern to identify a control status of the stick body.

公开(公告)号：US10467448B2

公开(公告)日：2019-11-05

申请号：US15984510

申请日：2018-05-21

Applicant: PIXART IMAGING INC.

Inventor： Tsung-Hsueh Lee ,  Chao-Chien Huang ,  Cheng-Lin Yang

IPC: G06K7/10 ,  G06K7/14 ,  G06K19/06 ,  A63H33/00 ,  G01J3/46 ,  G01J3/51

Abstract: The disclosure is related to a sensor module, a sensor unit and a system for recognizing surrounding objects and defining an environment. The sensor module is installed in a sensor unit. The sensor module includes an optical element guiding the lights from the objects surrounding the sensor unit and to an image sensor, and the image sensor is used to sense the lights from the objects. The light can be directly from a light source inside the surrounding object or reflected by the object surface. The objects can be identified according to optical features obtained by the image sensor from surfaces of the objects. When the image sensor receives the two lights, guided by the optical element, and reads optical features being regarded as the unique IDs to identify the objects respectively. Therefore, an environment around the sensor unit can be defined.

公开(公告)号：US20190302828A1

公开(公告)日：2019-10-03

申请号：US16445165

申请日：2019-06-18

Applicant: PixArt Imaging Inc.

Inventor： Wei-Chung Wang ,  Hsin-Chia Chen ,  Hui-Hsuan Chen ,  Chao-Chien Huang ,  Chu-Hung Nien

IPC: G05G9/047 ,  G06F3/038

Abstract: A joystick has a related control method to provide displayed object control function. The joystick includes a body, an image sensor and a processor. The body has a deformable bottom surface whereon a pattern is disposed. The image sensor is disposed under the body and adapted to capture a plurality of frames about the pattern. The processor is electrically connected with the image sensor and adapted to generate a displayed object control signal according to pattern variation within the plurality of frames.

公开(公告)号：US10067576B2

公开(公告)日：2018-09-04

申请号：US14273523

申请日：2014-05-08

Applicant: PIXART IMAGING INC.

Inventor： Han-Ping Cheng ,  Chao-Chien Huang ,  Chia-Cheun Liang

IPC: G06F3/033 ,  G06F3/01 ,  G06F3/03 ,  G06F3/0346

Abstract: An exemplary embodiment of the present disclosure provides a handheld pointer device and a tilt angle adjustment method thereof. The tilt angle adjustment method includes the following steps. Images corresponding to the position of a reference point are captured as the handheld pointer device pointing toward the reference point to generate a plurality of frames. Whether the reference point has substantially moved is subsequently determined based on the plurality of frames. When determines that the reference point has not substantially moved, causes an accelerometer unit of the handheld pointer device to detect the accelerations thereof over various axes so as to update a first tilt angle being used currently to a second tilt angle, accordingly. The handheld pointer device may thus accurately and efficiently calculate the relative position of the reference point with the appropriate tilt angle of the handheld pointer device used.