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    ASIC CONTROLLER FOR LIGHT-BASED SENSOR
    11.
    发明申请
    ASIC CONTROLLER FOR LIGHT-BASED SENSOR 审中-公开
    用于基于光的传感器的ASIC控制器

    公开(公告)号：US20140160081A1

    公开(公告)日：2014-06-12

    申请号：US14181681

    申请日：2014-02-16

    Applicant: Neonode Inc.

    Inventor： Anders Jansson ,  Magnus Goertz ,  Thomas Eriksson ,  Joseph Shain ,  Niklas Kvist ,  Robert Pettersson ,  Lars Sparf ,  John Karlsson

    IPC: G06F3/042

    CPC classification number: G06F3/0421 ,  G06F3/042 ,  G06F3/0425 ,  G06F3/0428

    Abstract: A controller for a light-based touch screen including a chip package coupled with a light-based touch screen, emitter driver circuitry inside the chip package for selectively activating a plurality of photoemitters that are outside of the chip package, detector driver circuitry inside the chip package for selectively activating a plurality of photo detectors that are outside of the chip package, detector signal processing circuitry for generating detection signals representing measured amounts of light detected on the plurality of photo detectors, a first plurality of signal conducting pins for connecting the plurality of photoemitters outside the chip package to the emitter driver circuitry inside the chip package, a second plurality of signal conducting pins for connecting the plurality of photo detectors outside the chip package to the detector driver circuitry and to the detector signal processing circuitry inside the chip package, controller circuitry inside the chip package for controlling the emitter driver circuitry and the detector driver circuitry, and at least one input/output pin for communicating with a host processor and for outputting the detection signals generated by the detector signal processing circuitry to the host processor, for the host processor to identify one or more locations on the touch screen that are being touched.

    Abstract translation: 一种用于基于光的触摸屏的控制器，其包括与基于光的触摸屏耦合的芯片封装，芯片封装内的发射极驱动器电路，用于选择性地激活位于芯片封装外的多个光电发生器，芯片内部的检测器驱动器电路 封装，用于选择性地激活位于芯片封装外的多个光电检测器;检测器信号处理电路，用于产生表示在多个光检测器上检测到的光的测量量的检测信号;第一多个信号导通引脚，用于连接多个 芯片封装之外的发光二极管封装中的发射极驱动器电路的第二多个信号导通引脚，用于将芯片封装之外的多个光电检测器连接到检测器驱动器电路和芯片封装内的检测器信号处理电路， 芯片封装内的控制器电路c 控制发射器驱动器电路和检测器驱动器电路，以及至少一个输入/输出引脚，用于与主机处理器进行通信，并将由检测器信号处理电路产生的检测信号输出到主机处理器，以便主机处理器识别一个 或触摸屏上的更多位置。

    OPTICAL TOUCH SCREEN SYSTEMS USING TOTAL INTERNAL REFLECTION
    12.
    发明申请
    OPTICAL TOUCH SCREEN SYSTEMS USING TOTAL INTERNAL REFLECTION 有权
    光学触摸屏系统采用总内部反射

    公开(公告)号：US20130155027A1

    公开(公告)日：2013-06-20

    申请号：US13764812

    申请日：2013-02-12

    Applicant: Neonode Inc.

    Inventor： Stefan Holmgren ,  Lars Sparf ,  Remo Behdasht ,  Thomas Eriksson ,  Michael Lawrence Elyan ,  Joseph Shain ,  Anders Jansson ,  Robert Pettersson ,  John Karlsson

    IPC: G06F3/042

    CPC classification number: G06F3/0308 ,  G06F1/1616 ,  G06F1/1643 ,  G06F1/169 ,  G06F3/0421 ,  G06F3/04883 ,  G06F2203/04806 ,  G06F2203/04808

    Abstract: A touch screen, including a layer of light-transmissive material having an upper surface that is exposed for touch by one or more objects, a plurality of light emitters underneath the upper surface, a first lens assembly for directing light beams emitted by the light emitters into the layer at an angle such that the light beams, when entering the layer, remain confined to the layer by total internal reflection when the light beams are not absorbed by any of the objects touching the upper surface, a plurality of light detectors for detecting light beams and for generating outputs indicating the amounts of light detected, a second lens assembly for directing light beams at a surface of the layer towards the light detectors, and a calculating unit for determining respective one or more locations of the one or more objects touching the upper surface, based on outputs of the light detectors.

    Abstract translation: 一种触摸屏，包括一层透光材料，具有被一个或多个物体接触的上表面，在上表面下方的多个发光体，用于引导由发光体发射的光束的第一透镜组件 以一定的角度进入层，使得当光束不被任何接触上表面的物体吸收时，当进入层时光束通过全内反射保持局限于该层;多个光检测器，用于检测 光束并用于产生指示所检测的光量的输出;第二透镜组件，用于将层的表面处的光束引向光检测器;以及计算单元，用于确定触摸的一个或多个物体的相应一个或多个位置 上表面，基于光检测器的输出。

    Optical touch screen using total internal reflection
    13.
    发明授权
    Optical touch screen using total internal reflection 有权
    光学触摸屏采用全内反射

    公开(公告)号：US09411430B2

    公开(公告)日：2016-08-09

    申请号：US14016076

    申请日：2013-08-31

    Applicant: Neonode Inc.

    Inventor： Stefan Holmgren ,  Lars Sparf ,  Remo Behdasht ,  Thomas Eriksson ,  Michael Elyan ,  Joseph Shain ,  Anders Jansson ,  Robert Pettersson ,  John Karlsson

    IPC: G06F3/042 ,  G06F3/03 ,  G06F1/16 ,  G06F3/0488

    CPC classification number: G06F3/0308 ,  G06F1/1616 ,  G06F1/1643 ,  G06F1/169 ,  G06F3/0421 ,  G06F3/04883 ,  G06F2203/04806 ,  G06F2203/04808

    Abstract: A method for use by a touch screen in which light transmitted inside the screen is scattered by an object touching the screen from outside the screen, the method including activating emitter-receiver pairs for a plurality of emitters and receivers while an object is touching a screen from outside the screen, wherein light emitted by each emitter is transmitted inside the screen, wherein each emitter is associated with a limited number of receivers that detect significant light from such emitter while no object is touching the screen, and wherein the activated emitter-receiver pairs include pairs for which the receiver is not associated with the emitter in the pair, determining that receivers not associated with emitters detect significant light due to the object scattering the light emitted by the emitters, and deriving the location where the object is touching the screen from the determining.

    Abstract translation: 一种触摸屏使用的方法，其中透射在屏幕内的光被屏幕外部触摸屏幕的物体散射，该方法包括在物体触摸屏幕的同时激活多个发射器和接收器的发射器 - 接收器对 从屏幕外部，其中由每个发射器发射的光在屏幕内传输，其中每个发射器与有限数量的接收器相关联，所述接收器在没有物体接触屏幕的情况下检测来自该发射器的重要光，并且其中激活的发射器 - 接收器 对包括接收器不与该对中的发射器相关联的对，确定与发射器不相关联的接收器由于物体散射由发射器发射的光而检测到有效的光，并且导出对象接触屏幕的位置 从确定。

    TOUCH SCREEN CALIBRATION AND UPDATE METHODS
    16.
    发明申请
    TOUCH SCREEN CALIBRATION AND UPDATE METHODS 审中-公开
    触摸屏校准和更新方法

    公开(公告)号：US20150277663A1

    公开(公告)日：2015-10-01

    申请号：US14730765

    申请日：2015-06-04

    Applicant: Neonode Inc.

    Inventor： Magnus Goertz ,  Thomas Eriksson ,  Joseph Shain ,  Anders Jansson ,  Niklas Kvist ,  Robert Pettersson ,  Lars Sparf ,  John Karlsson

    IPC: G06F3/041 ,  G06F3/0354 ,  G06F3/042

    CPC classification number: G06F3/0418 ,  G06F3/0421

    Abstract: A method of updating reference values for optical components of a light-based touch screen, including providing a display, a plurality of light emitters that sequentially transmit light over the display, and a plurality of light receivers that receive the emitted light and that output values representing the amount of light received, activating a sequence of emitter-receiver pairs, when an object touches the screen, identifying those emitter-receiver pairs (E, R) for which the light emitted by the emitter E is not blocked from reaching the receiver R of the pair, based on a comparison of the actual output value, OUT(E, R), of the receiver R, with a reference output value, REF(E, R), for the emitter-receiver pair, and setting REF(E, R)=OUT(E, R) for each of the thus-identified emitter-receiver pairs (E, R).

    Abstract translation: 一种更新基于光的触摸屏的光学部件的参考值的方法，包括提供显示器，在显示器上顺序地发射光的多个发光体以及接收发射光的多个光接收器，并且输出值 表示接收到的光量，当对象触摸屏幕时，激活一系列发射器 - 接收器对，识别由发射器E发射的光不被阻挡的发射器 - 接收器对（E，R）到达接收器 基于实际输出值OUT（E，R）与发射器 - 接收器对的参考输出值REF（E，R）的比较，并将REF设置为REF （E，R）= OUT（E，R）对于每个这样识别的发射器 - 接收器对（E，R）。

    ASIC CONTROLLER FOR LIGHT-BASED SENSOR
    20.
    发明申请
    ASIC CONTROLLER FOR LIGHT-BASED SENSOR 审中-公开
    用于基于光的传感器的ASIC控制器

    公开(公告)号：US20150277666A1

    公开(公告)日：2015-10-01

    申请号：US14700681

    申请日：2015-04-30

    Applicant: Neonode Inc.

    Inventor： Anders Jansson ,  Magnus Goertz ,  Thomas Eriksson ,  Joseph Shain ,  Niklas Kvist ,  Robert Pettersson ,  Lars Sparf ,  John Karlsson

    IPC: G06F3/042

    CPC classification number: G06F3/0421 ,  G06F3/0416

    Abstract: A state machine for controlling a sensor including a chip package coupled with photo-emitters and photo-detectors mounted in a device, and with a host processor, including an emitter driver, a detector driver, a signal processor for generating signals representing amounts of light detected by the detectors, and a scan controller for controlling the emitter and detector drivers to activate an automated sequence of emitter-detector pairs, the scan controller including registers for storing parameters designating emitter-detector pairs that are to be activated during the automated sequence, and for storing the signals generated by the signal processor for the emitter-detector pair activations, and at least one input/output pin for receiving parameters from the host processor to be loaded into the registers, and for outputting the stored signals in the registers to the host processor, for the host processor to identify therefrom location coordinates of an object near or touching the device.

    Abstract translation: 一种用于控制传感器的状态机，包括与安装在设备中的光发射器和光电检测器耦合的芯片封装，以及主处理器，包括发射器驱动器，检测器驱动器，用于产生表示光量的信号的信号处理器 检测器检测的扫描控制器和用于控制发射器和检测器驱动器以激活发射器 - 检测器对的自动序列的扫描控制器，扫描控制器包括用于存储指定在自动序列期间被激活的发射器 - 检测器对的参数的寄存器， 并且用于存储由发射器 - 检测器对激活的信号处理器产生的信号，以及至少一个输入/输出引脚，用于从主处理器接收要加载到寄存器中的参数，并将寄存器中存储的信号输出到 主机处理器，用于主机处理器从其中识别靠近或接触设备的对象的位置坐标 。

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