公开(公告)号：US20140192195A1

公开(公告)日：2014-07-10

申请号：US13951483

申请日：2013-07-26

Applicant: PixArt Imaging Inc.

Inventor： Tse-Chung Su ,  Ming-Tsan Kao

IPC: G08G1/16

CPC classification number: G06K9/00798 ,  G06K9/4638 ,  G06K9/4661 ,  G06T2207/30256 ,  G08G1/167

Abstract: The present invention provides a lane departure warning system including an image sensing device, an identification module and a determination module. The image sensing device generates a video. The identification module identifies a plurality of lane lines of at least one lane on which a vehicle is currently driven from the video, to generate an identification result, wherein the identification result is generated based on specific borderlines of the lane lines. The determination module determines a determination strategy according to vehicle speed information, and generates a determination result according to the determination strategy and the identification result. The lane departure warning system determines whether to issue a warning according to the determination result.

Abstract translation: 本发明提供了一种车道偏离警报系统，其包括图像感测装置，识别模块和确定模块。 图像感测装置生成视频。 所述识别模块从所述视频识别车辆当前被驱动的至少一个车道的多个车道线，以生成识别结果，其中所述识别结果是基于车道线的特定边界线产生的。 确定模块根据车速信息确定确定策略，并根据确定策略和识别结果产生确定结果。 车道偏离警告系统根据确定结果确定是否发出警告。

公开(公告)号：US20140184571A1

公开(公告)日：2014-07-03

申请号：US14195824

申请日：2014-03-03

Applicant: PixArt Imaging Inc.

Inventor： Tzung-Min Su ,  Yi-Hsien Ko ,  Hsin-Chi Cheng ,  Ming-Tsan Kao

IPC: G06F3/042

CPC classification number: G06F3/0428 ,  G06F3/0421

Abstract: A locating method applied to an optical touch device is disclosed. The optical touch device includes at least one image detecting component for detecting an imaging position of an object and generating a touch position of the object on a plane according to the imaging position. The at least one image detecting component includes a plurality of pixels. The locating method includes dividing the pixels into a first group and a second group along a first direction, analyzing dimension ratios of a darkness point respectively relative to the first group and the second group when the darkness point formed by the object is simultaneously detected by the first group and the second group, and calculating the imaging position of the darkness point inside the image detecting component according to the dimension ratios.

Abstract translation: 公开了一种应用于光学触摸装置的定位方法。 光学触摸装置包括至少一个图像检测部件，用于检测物体的成像位置，并根据成像位置在平面上产生物体的触摸位置。 所述至少一个图像检测部件包括多个像素。 定位方法包括沿着第一方向将像素分成第一组和第二组，当由对象形成的暗点同时检测时，分析相对于第一组和第二组的暗点的尺寸比例 第一组和第二组，并且根据尺寸比计算图像检测部件内的暗点的成像位置。

公开(公告)号：US20140062961A1

公开(公告)日：2014-03-06

申请号：US13771090

申请日：2013-02-20

Applicant: PIXART IMAGING INC.

Inventor： Ming-Tsan Kao ,  En-Feng Hsu ,  Tien-Chia Liu ,  Hsin-Chia Chen

IPC: G06F3/042 ,  H05B37/02

CPC classification number: G06F3/042 ,  G06F3/0418 ,  G06F3/0421 ,  H05B37/02

Abstract: An optical touch control apparatus, which comprises: a light source; a light guiding board, for emitting the light, including at least one reflecting region for generating reflected light for adjusting; a detecting surface, for generating an object image when a distance between a object and the detecting surface is lower than a predetermined distance; an image sensor, for computing a brightness for adjusting that the light source generates to the light guiding board according to the reflected light for adjusting, and for catching a plurality of frames of the object image; and a control unit, for adjusting the light source according to the brightness for adjusting, or for adjusting the image sensor according to the brightness for adjusting, such that the image sensor can sense a plurality of adjusted frames; wherein the control unit computes a location of the object on the detecting surface according to the adjusted frames.

Abstract translation: 一种光学触摸控制装置，包括：光源; 导光板，用于发射光，包括至少一个用于产生用于调节的反射光的反射区域; 检测表面，用于当物体和检测表面之间的距离低于预定距离时产生物体图像; 图像传感器，用于根据用于调整的反射光计算用于调节光源到导光板的亮度的亮度，以及用于捕获对象图像的多个帧; 以及控制单元，用于根据用于调节的亮度调节光源，或者根据用于调节的亮度来调整图像传感器，使得图像传感器可以感测多个调节的帧; 其中所述控制单元根据调整后的帧来计算所述物体在所述检测表面上的位置。

公开(公告)号：US20140049470A1

公开(公告)日：2014-02-20

申请号：US13802659

申请日：2013-03-13

Applicant: PIXART IMAGING INC.

Inventor： Hsin-Chia Chen ,  Feng-Cheng Yang ,  Ching-Lin Chung ,  Ming-Tsan Kao

IPC: F21V8/00

CPC classification number: G02B6/008 ,  G02B6/0078 ,  G06F3/0428 ,  G06F2203/04109

Abstract: An optical touch control apparatus, for detecting displacement between an object and the optical touch control apparatus. The optical touch control apparatus comprises: an object detecting apparatus, for detecting the object to generate an object image, having a first detecting area in a first mode and having a second detecting area in a second mode, wherein the first detecting area is larger than the second detecting area; an image sensor, for capturing at least one frame of the object image; and a control unit, for adjusting an image capturing area of the image sensor, according which one of the first detecting area and the second detecting area the object detecting apparatus utilizes.

Abstract translation: 一种光学触摸控制装置，用于检测物体与光学触摸控制装置之间的位移。 该光学触摸控制装置包括：物体检测装置，用于检测物体以产生物体图像，具有第一模式的第一检测区域，并且在第二模式中具有第二检测区域，其中第一检测区域大于 第二检测区域; 图像传感器，用于捕获所述对象图像的至少一个帧; 以及控制单元，用于根据所述对象检测设备利用的所述第一检测区域和所述第二检测区域中的一个来调整所述图像传感器的图像捕获区域。

公开(公告)号：US20130321826A1

公开(公告)日：2013-12-05

申请号：US13736933

申请日：2013-01-08

Applicant: PIXART IMAGING INC.

Inventor： Hsin-Chia Chen ,  Yu-Wei Wang ,  Ching-Lin Chung ,  Hui-Hsuan Chen ,  Ming-Tsan Kao

IPC: G01B11/14 ,  G01S15/52 ,  G01S13/56

CPC classification number: G01B11/14 ,  G01S13/08 ,  G01S13/56 ,  G01S15/08 ,  G01S15/523 ,  G01S17/08 ,  G01S17/48 ,  G01S17/87

Abstract: A motion sensing method for an object includes: receiving a distance detection result which is used for indicating distance detection information of the object in a neighborhood of a motion sensing apparatus; and determining whether to perform optical motion sensing upon the object of the neighborhood according to the distance detection result.

Abstract translation: 一种物体的运动感测方法包括：接收用于指示运动感测装置附近的物体的距离检测信息的距离检测结果; 以及根据所述距离检测结果确定是否对所述邻域的对象执行光学运动感测。

公开(公告)号：US20130314691A1

公开(公告)日：2013-11-28

申请号：US13959758

申请日：2013-08-06

Applicant: PixArt Imaging Inc.

Inventor： En-Feng Hsu ,  Chi-Chieh Liao ,  Ming-Tsan Kao

IPC: G01C3/08

CPC classification number: G01C3/08 ,  G01C3/10 ,  G01S7/4918 ,  G01S17/48

Abstract: A light source transmits detecting light toward an object. The object reflects the detecting light and forms a reflected light. A sensor is used for sensing the reflected light. Then, an exposure control unit coupled to the sensor performs luminance convergence on the reflected light according to luminance of the reflected light sensed by the sensor. And a distance measurement device coupled to the sensor detects a distance between the object and the light source and/or the sensor according to an image position of the reflected light on the sensor.

Abstract translation: 光源向物体传输检测光。 物体反射检测光并形成反射光。 传感器用于感测反射光。 然后，耦合到传感器的曝光控制单元根据由传感器感测的反射光的亮度对反射光进行亮度会聚。 并且耦合到传感器的距离测量装置根据传感器上的反射光的图像位置来检测物体与光源和/或传感器之间的距离。

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：US20130120626A1

公开(公告)日：2013-05-16

申请号：US13733109

申请日：2013-01-02

Applicant: Pixart Imaging Inc.

Inventor： Wei-Ting Chan ,  Ming-Tsan Kao ,  En-Feng Hsu

IPC: H04N5/335

CPC classification number: G06F3/0425 ,  G06F3/042 ,  G06F3/0428 ,  H04N5/335 ,  H04N5/3454 ,  H04N5/376

Abstract: A CMOS image sensor includes a pixel array unit, a row selection unit, and a logic circuit. The pixel array unit is used for sensing an object. The pixel array unit includes M pixels and P multiplexers and each of the M pixels is electrically connected to one of the P multiplexers, wherein M is a positive integer and P is a positive integer smaller than M. The row selection unit and the logic circuit are electrically connected to the P multiplexers. The row selection unit is used for generating a row selection signal. The logic circuit is used for determining a sensing region corresponding to the object wherein the sensing region includes N of the M pixels. Furthermore, the logic circuit controls Q multiplexers, which are electrically connected to the N pixels, to transmit the row selection signal to the N pixels.

Abstract translation: CMOS图像传感器包括像素阵列单元，行选择单元和逻辑电路。 像素阵列单元用于感测物体。 像素阵列单元包括M个像素和P个多路复用器，并且M个像素中的每一个电连接到P个多路复用器之一，其中M是正整数，P是小于M的正整数。行选择单元和逻辑电路 电连接到P多路复用器。 行选择单元用于生成行选择信号。 该逻辑电路用于确定对应于该物体的感测区域，其中感测区域包括M个像素中的N个。 此外，逻辑电路控制电连接到N个像素的Q多路复用器，以将行选择信号发送到N个像素。