TOUCH LOCATING METHOD AND SYSTEM, DISPLAY
    1.
    发明申请
    TOUCH LOCATING METHOD AND SYSTEM, DISPLAY 审中-公开
    触摸定位方法和系统,显示

    公开(公告)号:US20130027357A1

    公开(公告)日:2013-01-31

    申请号:US13641433

    申请日:2011-04-15

    IPC分类号: G06F3/042

    CPC分类号: G06F3/0416 G06F3/042

    摘要: The present invention relates to a touch positioning method and system as well as a display device. Said touch positioning method is applied to an optical touch screen comprising a touch detection area, two imaging devices, a light source and a reflector, the touch detection area and its mirror image touch detection area with regards to the reflector residing within field of view of each imaging device, the method comprising: obtaining location information of touch objects based on image data of an actual touch object and its mirror image touch object with regards to said reflector acquired by said two imaging devices, said touch objects comprise said actual touch object and virtual touch object; obtaining location information of said actual touch object from the location information of said touch objects based on the mirror image relation between said actual touch object and its mirror image touch object as well as the location information of said touch detection area. The present invention may avoid the presence of “ghost images” during the positioning of more than two touch objects and accurately locate where the touch objects reside.

    摘要翻译: 本发明涉及触摸定位方法和系统以及显示装置。 所述触摸定位方法被应用于包括触摸检测区域,两个成像装置,光源和反射器的光学触摸屏,所述触摸检测区域及其镜像触摸检测区域关于驻留在视场内的反射器 每个成像装置,所述方法包括:基于由所述两个成像装置获取的所述反射器,基于实际触摸对象及其镜像触摸对象的图像数据获得触摸对象的位置信息,所述触摸对象包括所述实际触摸对象和 虚拟触摸物体; 基于所述实际触摸对象与其镜像触摸对象之间的镜像关系以及所述触摸检测区域的位置信息,从所述触摸对象的位置信息获取所述实际触摸对象的位置信息。 本发明可以避免在多于两个触摸对象的定位期间存在重影图像,并且精确地定位触摸对象所在的位置。

    Touch Detection Sensing Apparatus
    3.
    发明申请
    Touch Detection Sensing Apparatus 审中-公开
    触摸检测传感器

    公开(公告)号:US20110074738A1

    公开(公告)日:2011-03-31

    申请号:US12922079

    申请日:2009-05-19

    IPC分类号: G06F3/042

    CPC分类号: G06F3/0428

    摘要: A touch detection sensing apparatus is disclosed, which comprises: at least one image capturing device, at least one reflection mirror and an image processing circuit. The at least one image capturing device is used to capture an image of a touch object in a detected screen and an image of a virtual image of the touch object in the at least one reflection mirror. The image processing circuit can calculate a position of the touch object based on the image of the touch object and the image of the virtual image of the touch object in a reflection mirror captured by an image capturing device.

    摘要翻译: 公开了一种触摸检测感测装置,其包括:至少一个图像捕获装置,至少一个反射镜和图像处理电路。 所述至少一个图像捕获装置用于捕获所检测的屏幕中的触摸对象的图像和所述至少一个反射镜中的触摸对象的虚拟图像的图像。 图像处理电路可以基于触摸对象的图像和由图像捕获装置捕获的反射镜中的触摸对象的虚拟图像的图像来计算触摸对象的位置。

    INFRARED TOUCH SCREEN
    4.
    发明申请
    INFRARED TOUCH SCREEN 有权
    红外线触屏

    公开(公告)号:US20120249485A1

    公开(公告)日:2012-10-04

    申请号:US13515751

    申请日:2010-12-10

    IPC分类号: G06F3/042

    摘要: This invention provides an infrared touch screen, comprising: a touch detecting region; a plurality of edges containing at least a first edge and a second edge, wherein the first edge and the second edge are opposite to each other, there are infrared emitters and infrared receivers fixed on the first edge and there are infrared emitters and infrared receivers fixed on the second edge; and a phase managing mechanism configured to control the phase alternation of the infrared touch screen which has a plurality of phases containing at least a first phase and a second phase. With the structure change and phase managing mechanism application in this infrared touch screen, the light interference caused by varying ambient light can be reduced or eliminated effectively.

    摘要翻译: 本发明提供一种红外触摸屏,包括:触摸检测区域; 包括至少第一边缘和第二边缘的多个边缘,其中所述第一边缘和所述第二边缘彼此相对,所述红外发射器和红外接收器固定在所述第一边缘上,并且存在固定的红外发射器和红外接收器 在第二边 以及相位管理机构,被配置为控制具有包含至少第一相位和第二相位的多个相位的红外线触摸屏的相位交替。 随着红外触摸屏的结构变化和相位管理机制的应用,可以有效地降低或消除由变化的环境光引起的光干扰。

    IMAGE SENSOR FOR TOUCH SCREEN AND IMAGE SENSING APPARATUS
    5.
    发明申请
    IMAGE SENSOR FOR TOUCH SCREEN AND IMAGE SENSING APPARATUS 有权
    用于触摸屏和图像感测装置的图像传感器

    公开(公告)号:US20110063256A1

    公开(公告)日:2011-03-17

    申请号:US12921696

    申请日:2009-04-29

    IPC分类号: G06F3/042 H04N5/225

    CPC分类号: G06F3/0428

    摘要: An image sensor for a touch screen, which is installed at an edge of the touch screen and comprises an image sensing element and an optical imaging system, wherein the optical imaging system comprises: at least two separated lenses to constitute at least two optical paths, wherein each of the lenses includes a concavo-convex lens, an objective lens of each of the lenses is faced to the touch screen, an overlapping area of fields of the view of the objective lenses covers the touch screen, a touch object on the touch screen is imaged by each of the optical paths in the optical imaging system respectively, and the formed image is projected on the image sensing element. The image sensor can locate the touch object by utilizing stereo photography. Moreover, the optical imaging system can utilize the interlocked electronic shutters to realize time division multiplex of the image sensing element by the different optical paths, or utilize individual optical paths to realize area division multiplex of the image sensing element.

    摘要翻译: 一种用于触摸屏的图像传感器,其安装在触摸屏的边缘并且包括图像感测元件和光学成像系统,其中所述光学成像系统包括:至少两个分离的透镜,以构成至少两个光学路径, 其中每个透镜包括凹凸透镜,每个透镜的物镜面向触摸屏,物镜的视场的重叠区域覆盖触摸屏,触摸上的触摸对象 屏幕分别通过光学成像系统中的每个光路成像,并且将形成的图像投影到图像感测元件上。 图像传感器可以通过立体摄影来定位触摸物体。 此外,光学成像系统可以利用互锁的电子快门来实现不同光路的图像感测元件的时分复用,或者利用各个光路实现图像感测元件的区域分割多路复用。

    Infrared light-emitting diode and touch screen
    6.
    发明授权
    Infrared light-emitting diode and touch screen 有权
    红外发光二极管和触摸屏

    公开(公告)号:US08916895B2

    公开(公告)日:2014-12-23

    申请号:US13702832

    申请日:2011-06-09

    摘要: This invention discloses an infrared light-emitting diode. The infrared light-emitting diode comprises: only one core for emitting infrared light; a packaging body which at least comprises a first surface that is convex and in front of the core and a second surface that is plane and on one side of the core; and leads connected to the core and extending to outside of the packaging body; wherein the infrared light emitted by the core forms at least two beams of infrared light in different directions after being emitted from the packaging body through the first surface and the second surface. With such infrared LED and the touch screen, touch system and interactive display based on the LED, at least two beams of infrared light in different directions can be emitted requiring only one core.

    摘要翻译: 本发明公开了一种红外发光二极管。 红外发光二极管包括:只有一个核心用于发射红外光; 至少包括凸起并位于所述芯前面的第一表面和位于所述芯的一侧的第二表面的包装体; 并且引线连接到芯部并延伸到包装体的外部; 其中由所述芯发射的红外光在从所述包装主体经由所述第一表面和所述第二表面发射之后,在不同方向上形成至少两束红外光束。 利用这种红外LED和触摸屏,基于LED的触摸系统和交互式显示,可以发射不同方向的至少两个红外光束,只需要一个核心。

    INFRARED TOUCH SCREEN MULTI-POINT RECOGNIZING METHOD AND INFRARED TOUCH SCREEN
    7.
    发明申请
    INFRARED TOUCH SCREEN MULTI-POINT RECOGNIZING METHOD AND INFRARED TOUCH SCREEN 有权
    红外触控屏幕多点识别方法和红外触摸屏

    公开(公告)号:US20130234993A1

    公开(公告)日:2013-09-12

    申请号:US13989723

    申请日:2011-10-20

    IPC分类号: G06F3/042

    摘要: Disclosed are an infrared touch screen multipoint recognizing method and an infrared touch screen. The method comprises the following steps: driving infrared transmitting tubes and infrared receiving tubes to scan a touch detection area and saving scan data (601); reading scan data of the infrared transmitting tubes and the infrared receiving tubes, to determine boundaries of quasi-touch points and obtain a quasi-touch point set (602); reading scan data of the infrared transmitting tubes and the infrared receiving tubes aligned with a first direction off-axis, to obtain a first calibrated touch point set (603); reading scan data of the infrared transmitting tubes and the infrared receiving tubes aligned with a second direction off-axis, to obtain a second calibrated touch point set (604); and comparing the quasi-touch point set, the first calibrated touch point set and the second calibrated touch point set, to eliminate ghost points and determine real touch points (605). The infrared touch screen multi-point recognizing method and the infrared touch screen can recognize multiple touch points through one time of full-screen scanning by using only one set of detecting elements.

    摘要翻译: 公开了红外线触摸屏多点识别方法和红外线触摸屏。 该方法包括以下步骤:驱动红外发射管和红外线接收管扫描触摸检测区域并保存扫描数据(601); 读取红外发射管和红外接收管的扫描数据,以确定准触摸点的边界并获得准触摸点集(602); 读取远离第一方向的红外发射管和红外接收管的扫描数据,以获得第一校准触点组(603); 读取与第二方向离轴对准的红外发射管和红外接收管的扫描数据,以获得第二校准触点组(604); 以及比较准触摸点组,第一校准触摸点组和第二校准触摸点组,以消除重影点并确定实际触摸点(605)。 红外触摸屏多点识别方法和红外触摸屏可以通过仅使用一组检测元件来识别多次触摸点,通过一次全屏扫描。

    TOUCH POSITIONING METHOD, TOUCH SCREEN, TOUCH SYSTEM, AND DISPLAY
    8.
    发明申请
    TOUCH POSITIONING METHOD, TOUCH SCREEN, TOUCH SYSTEM, AND DISPLAY 有权
    触摸定位方法,触摸屏,触控系统和显示器

    公开(公告)号:US20130162877A1

    公开(公告)日:2013-06-27

    申请号:US13821500

    申请日:2011-07-28

    IPC分类号: G06F3/041

    摘要: The present invention relates to a touch positioning method, a touch screen, a touch system and a display. The touch positioning method comprises: processing image collected by the first camera to obtain first image data, and processing image collected by the second camera to obtain second image data, wherein the first image data comprise one touch image block, and the second image data comprise at least two touch image blocks; processing the second image data to obtain third image data, the third image data comprising image blocks of two suspected touch objects; obtaining a distance between the two suspected touch objects according to the first image data and the third image data; and obtaining location information of an actual touch object according to the first image data, the third image data and the distance between the two suspected touch objects. The invention may eliminate misjudgment caused by “crack dot” (FIG. 5).

    摘要翻译: 本发明涉及触摸定位方法,触摸屏,触摸系统和显示器。 触摸定位方法包括:处理由第一相机收集的图像以获得第一图像数据,以及处理由第二相机收集的图像以获得第二图像数据,其中第一图像数据包括一个触摸图像块,并且第二图像数据包括 至少两个触摸图像块; 处理所述第二图像数据以获得第三图像数据,所述第三图像数据包括两个可疑触摸对象的图像块; 根据第一图像数据和第三图像数据获得两个可疑触摸对象之间的距离; 以及根据第一图像数据,第三图像数据和两个可疑触摸对象之间的距离获取实际触摸对象的位置信息。 本发明可以消除由“裂纹点”引起的误判(图5)。

    CONTROL PANEL AND SERIAL PORT COMMUNICATION ARBITER FOR TOUCH SCREEN WITH CAMERA
    9.
    发明申请
    CONTROL PANEL AND SERIAL PORT COMMUNICATION ARBITER FOR TOUCH SCREEN WITH CAMERA 有权
    用于触摸屏的控制面板和串行端口通信ARBITER

    公开(公告)号:US20130007312A1

    公开(公告)日:2013-01-03

    申请号:US13634196

    申请日:2011-03-11

    IPC分类号: G06F13/14

    CPC分类号: G06F13/364 G06F3/0428

    摘要: A control panel and a serial port communication arbiter for a touch screen with a camera are provided. A serial port communication method for a touch screen with a camera includes: transmitting a channel request message to the serial port communication arbiter, the channel request message being used for requesting for occupying the channel between the control panel of the touch screen with camera and an upper computer; receiving a channel response message transmitted by the serial port communication arbiter, the channel response message containing a state of the channel; transmitting data to the upper computer over the channel if the state of the channel is idle. It can save production cost of the control panel, improve system performance, and facilitate maintenance of the control panel.

    摘要翻译: 提供了一种用于具有相机的触摸屏的控制面板和串行端口通信仲裁器。 一种用于具有摄像机的触摸屏的串行端口通信方法,包括:向串行端口通信仲裁器发送信道请求消息,该信道请求消息用于请求占用触摸屏的控制面板与摄像机之间的信道,以及 上位机 接收由所述串行端口通信仲裁器发送的信道响应消息,所述信道响应消息包含所述信道的状态; 如果信道的状态为空闲,则通过信道将数据发送到上位机。 可以节省控制面板的生产成本,提高系统性能,便于维护控制面板。

    Touch Detection Apparatus
    10.
    发明申请
    Touch Detection Apparatus 审中-公开
    触摸检测仪

    公开(公告)号:US20100302191A1

    公开(公告)日:2010-12-02

    申请号:US12790219

    申请日:2010-05-28

    IPC分类号: G06F3/041

    CPC分类号: G06F3/0428

    摘要: A touch detection apparatus is disclosed, which comprises: a frame which defines a planar touch detection region; at least one surface light-emitting body which is disposed on the frame; at least one light source which is placed at the end of the surface light-emitting body; at least one detector which is disposed on the frame and used to detect information of a touch object in the touch detection region; and a processing circuit which is connected to the detector and used to receive information detected by the at least one detector and calculate position information of the touch object based on the received information. In the touch detection apparatus of the present invention, the light source and the surface light-emitting body are disposed on the edges of the frame, thus a good light source can be provided to the touch detection apparatus, and the cost of the entire touch detection apparatus can be reduced due to the low cost of the surface light-emitting body.

    摘要翻译: 公开了一种触摸检测装置,其包括:限定平面触摸检测区域的框架; 至少一个表面发光体,其设置在所述框架上; 放置在表面发光体的端部的至少一个光源; 至少一个检测器,其设置在所述框架上并用于检测所述触摸检测区域中的触摸物体的信息; 以及处理电路,其连接到所述检测器并用于接收由所述至少一个检测器检测的信息,并基于所接收的信息来计算所述触摸对象的位置信息。 在本发明的触摸检测装置中,光源和表面发光体设置在框架的边缘上,因此可以向触摸检测装置提供良好的光源,并且整个触摸的成本 由于表面发光体的成本低,因此能够降低检测装置。