公开(公告)号：US09298242B2

公开(公告)日：2016-03-29

申请号：US13911069

申请日：2013-06-05

Applicant: PixArt Imaging Inc.

Inventor： Chun-Wei Chen ,  Ching-Lin Chung

IPC: G06F3/033 ,  G09G5/08 ,  G06F1/32 ,  G06F3/03 ,  G06F3/0354

CPC classification number: G06F1/32 ,  G06F1/3259 ,  G06F3/0304 ,  G06F3/0317 ,  G06F3/03543 ,  Y02D10/155

Abstract: A method used in an optical mouse apparatus includes: generating and emitting a light signal which is emitted to a surface so as to reflect and generate a light reflected signal; generating sensed image(s) according to the light reflected signal wherein the sensed image(s) are used for estimating an offset of the optical mouse apparatus; dynamically adjusting photometric exposure for the sensed image(s) according to a quality parameter, a moving speed, or an output offset number per unit time of the sensed image(s).

Abstract translation: 光学鼠标装置中使用的方法包括：产生并发射发射到表面的光信号，以便反射并产生光反射信号; 根据所述光反射信号产生感测图像，其中所述感测图像用于估计所述光学鼠标装置的偏移; 根据感测图像的每单位时间的质量参数，移动速度或输出偏移数量，动态地调整感测图像的测光曝光。

公开(公告)号：US09274999B2

公开(公告)日：2016-03-01

申请号：US13681567

申请日：2012-11-20

Applicant: PixArt Imaging Inc.

Inventor： Chun-Wei Chen ,  Yung-Chang Lin ,  Tsung-Fa Wang

IPC: G06F3/03 ,  G06F13/42 ,  G06F3/0354 ,  G06F3/033

CPC classification number: G06F13/4286 ,  G06F3/0317 ,  G06F3/033 ,  G06F3/03543

Abstract: There is provided a communication system including a transmission interface, a master device and a slave device. The transmission interface includes a TR/ACK channel configured to transmit a trigger signal and an acknowledge signal and a DA channel configured to transmit a normal data or a simplified data. The master device sends the trigger signal via the TR/ACK channel before data transmission begins. The slave device sends the normal data or the simplified data to the master device via the DA channel after receiving the trigger signal.

Abstract translation: 提供了一种包括传输接口，主设备和从设备的通信系统。 发送接口包括被配置为发送触发信号的TR / ACK信道和被配置为发送正常数据或简化数据的确认信号和DA信道。 主设备在数据传输开始之前通过TR / ACK通道发送触发信号。 从设备在接收到触发信号后，通过DA通道将普通数据或简化数据发送给主设备。

公开(公告)号：US20140368433A1

公开(公告)日：2014-12-18

申请号：US14055882

申请日：2013-10-17

Applicant: PixArt Imaging Inc.

Inventor： Chun-Wei Chen ,  Yen-Chang Wang

IPC: G06F3/03

CPC classification number: G06F3/0317 ,  G06F3/03543 ,  G06F3/03547 ,  G06F3/038 ,  G06F3/0416 ,  G06F3/0425

Abstract: An electronic apparatus that can utilize a first report rate to generate a first report rate output signal according to an output signal or can utilize a second report rate smaller than the first report rate to generate a second report rate output signal according to the output signal. The electronic apparatus comprises: a first signal smoothing apparatus; a second signal smoothing apparatus having a smooth ability smaller than the first signal smoothing apparatus and a processing unit, for selecting the first signal smoothing apparatus to process the first report rate output signal when the electronic apparatus utilizes the first report rate to generate signal, and for selecting the second signal smoothing apparatus to process the second report rate output signal when the electronic apparatus utilizes the second report rate to generate signal.

Abstract translation: 一种能够利用第一报告率根据输出信号生成第一报告速率输出信号或者可以利用小于第一报告速率的第二报告率根据输出信号生成第二报告速率输出信号的电子设备。 电子装置包括：第一信号平滑装置; 具有比第一信号平滑装置小的平滑能力的第二信号平滑装置和处理单元，用于当电子装置利用第一报告速率产生信号时，选择第一信号平滑装置处理第一报告速率输出信号;以及 用于当电子装置利用第二报告率产生信号时，选择第二信号平滑装置来处理第二报告速率输出信号。

公开(公告)号：US20140333540A1

公开(公告)日：2014-11-13

申请号：US14053606

申请日：2013-10-15

Applicant: PixArt Imaging Inc.

Inventor： Tsung-Fa Wang ,  Chun-Wei Chen ,  Yung-Chang Lin ,  Ching-Lin Chung

IPC: G06F3/0354

CPC classification number: G06F3/03543 ,  G06F3/0317 ,  G06F3/03544

Abstract: An optical navigation device includes a first optical mechanism, a second optical mechanism, an image sensor, and a controller. The first optical mechanism is arranged for projecting light on a surface to generate a first projection result while the second optical mechanism is arranged for projecting light on the surface to generate a second projection result. The image sensor is arranged for sensing at least one of the first projection result and the second projection result within a sensing range to generate at least one first image sensing result. The controller is coupled to the first optical mechanism, the second optical mechanism and the image sensor, and is arranged for controlling the first optical mechanism and the second optical mechanism according to the first image sensing result. The optical navigation device accordingly performs movement detection.

Abstract translation: 光学导航装置包括第一光学机构，第二光学机构，图像传感器和控制器。 第一光学机构布置成用于在表面上投射光以产生第一投影结果，而第二光学机构被布置用于将光投射在表面上以产生第二投影结果。 图像传感器被布置成用于在感测范围内感测第一投影结果和第二投影结果中的至少一个，以产生至少一个第一图像感测结果。 控制器耦合到第一光学机构，第二光学机构和图像传感器，并且被布置为根据第一图像感测结果来控制第一光学机构和第二光学机构。 因此，光学导航装置执行移动检测。

公开(公告)号：US20140245280A1

公开(公告)日：2014-08-28

申请号：US13888379

申请日：2013-05-07

Applicant: PIXART IMAGING INC.

Inventor： Chun-Wei Chen ,  Ren-Hau Gu

IPC: G06F9/445

CPC classification number: G06F8/65 ,  G06F3/03543 ,  G06F8/654 ,  G06F2203/0384 ,  G08C17/00 ,  H04B5/0031 ,  H04B5/0062 ,  H04L67/125 ,  H04L67/34 ,  H04W4/023

Abstract: A method of automatically updating a datum is disclosed in the present invention. The method is applied to a signal outputting device and at least one signal receiving device for datum updating transmission. The method includes outputting a detecting signal to detect whether the signal receiving device is located within an effective range of the detecting signal, receiving a reacting signal generated according to the detecting signal, outputting a request of datum transmission when a distance is smaller than a threshold value, and transmitting the datum to the signal receiving device by wireless transmission when the request is allowed, so as to drive the signal receiving device to execute application program according to the updated datum. The detecting signal represents the distance between the signal outputting device and the signal receiving device.

Abstract translation: 在本发明中公开了一种自动更新数据的方法。 该方法应用于信号输出装置和用于基准更新传输的至少一个信号接收装置。 该方法包括输出检测信号以检测信号接收装置是否位于检测信号的有效范围内，接收根据检测信号产生的反应信号，当距离小于阈值时输出数据传输请求 值，并且当允许请求时通过无线传输将数据发送到信号接收装置，以便驱动信号接收装置根据更新的数据执行应用程序。 检测信号表示信号输出装置与信号接收装置之间的距离。

公开(公告)号：US11806168B2

公开(公告)日：2023-11-07

申请号：US16254923

申请日：2019-01-23

Applicant: PixArt Imaging Inc.

Inventor： Sheau-Foong Chong ,  Chun-Wei Chen

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

CPC classification number: A61B5/7221 ,  A61B5/02416 ,  A61B5/1455 ,  A61B5/14551

Abstract: A physiological detection system including a light source module, a photo sensor and a processor is provided. The light source module is configured to provide light to illuminate a skin region. The photo sensor is configured to detect emergent light passing the skin region with at least one signal source parameter and output an image signal. The processor is configured to calculate a confident level according to the image signal to accordingly adjust the at least one signal source parameter.

公开(公告)号：US10244987B2

公开(公告)日：2019-04-02

申请号：US14825272

申请日：2015-08-13

Applicant: PIXART IMAGING INC.

Inventor： Sheau-Foong Chong ,  Chun-Wei Chen

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

Abstract: A physiological detection system including a light source module, a photo sensor and a processor is provided. The light source module is configured to provide light to illuminate a skin region. The photo sensor is configured to detect emergent light passing the skin region with at least one signal source parameter and output an image signal. The processor is configured to calculate a confident level according to the image signal to accordingly adjust the at least one signal source parameter.

公开(公告)号：US20180348032A1

公开(公告)日：2018-12-06

申请号：US15609023

申请日：2017-05-31

Applicant: PixArt Imaging Inc.

Inventor： Hsin-Chia Chen ,  Sen-Huang Huang ,  Wei-Chung Wang ,  Chao-Chien Huang ,  Ting-Yang Chang ,  Chun-Wei Chen

IPC: G01F1/708 ,  G01P5/22 ,  G01F1/712

Abstract: An optical flow sensing method includes: using an image sensor to capture images; using a directional-invariant filter device upon at least one first block of the first image to process values of pixels of the at least one first block of the first image, to generate a first filtered block image; using the first directional-invariant filter device upon at least one first block of the second image to process values of pixels of the at least one first block of the second image, to generate a second filtered block image; comparing the filtered block images to calculate a correlation result; and estimating a motion vector according to a plurality of correlation results.

公开(公告)号：US10120459B2

公开(公告)日：2018-11-06

申请号：US15800079

申请日：2017-11-01

Applicant: PixArt Imaging Inc.

Inventor： Chun-Wei Chen ,  Ren-Hau Gu

IPC: G06F3/03

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, calculating a simulating value according to bright intensity of pixels around the noise and except the noise, and utilizing the simulating value and bright intensity of other pixels except the noise to execute a displacement detecting calculation.

公开(公告)号：US09804694B2

公开(公告)日：2017-10-31

申请号：US13960369

申请日：2013-08-06

Applicant: PIXART IMAGING INC.

Inventor： Chun-Wei Chen ,  Yen-Min Chang ,  Shih-Wei Kuo ,  Ching-Lin Chung

IPC: G06F3/038 ,  G06F3/0354

CPC classification number: G06F3/0383 ,  G06F3/03543 ,  H04B10/00

Abstract: A control system, a mouse and a control method thereof are provided. The control system comprises a dongle and the mouse. The dongle is wiredly connected to a host and has a first light source for emitting a first light. The mouse is wirelessly connected to the dongle and has a transmitter, a second light source for emitting a second light, an optical sensor and a processor. The optical sensor senses the first light at a first time interval to generate a first sensing signal and then also, senses the second light at a second time interval to generate a second sensing signal. The processor generates a first control signal and a second control signal according to the first sensing signal and the second sensing signal, respectively, and transmits them to the dongle via the transmitter so that the host receives the first and second control signals via the dongle.