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    Touch screen calibration and update methods
    2.
    发明授权
    Touch screen calibration and update methods 有权
    触摸屏校准和更新方法

    公开(公告)号：US09052771B2

    公开(公告)日：2015-06-09

    申请号：US13053229

    申请日：2011-03-22

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

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

    IPC分类号： G06F3/042 ,  G06F3/041 ,  G06F3/0484 ,  G06F3/0488

    CPC分类号： G06F3/0416 ,  G06F3/0418 ,  G06F3/042 ,  G06F3/0421 ,  G06F3/0425 ,  G06F3/0428 ,  G06F3/04845 ,  G06F3/04883 ,  G06F2203/04101 ,  G06F2203/04104 ,  G06F2203/04808

    摘要： A method of calibrating optical components in a light-based touch screen, including providing (i) a display, (ii) a row of light pulse emitters that sequentially transmit light pulses over the display according to calibrated pulse current and pulse duration controls, and (iii) a row of light pulse receivers that receive the light pulses and that output values representing the received light pulses, each receiver having expected values for emitter-receiver pairs when the light pulses are not blocked, determining if each receiver output value for a receiver-emitter pair is within a respective designated range from the corresponding receiver expected value, and when a receiver output value for a receiver-emitter pair is outside the designated range, recalibrating the emitter, including adjusting at least one of the emitter pulse current and pulse duration such that subsequent receiver output values are within the designated range, and updating the receiver expected value for the receiver-emitter pair based on subsequent output values of the receiver.

    摘要翻译： 一种校准基于光的触摸屏中的光学部件的方法，包括提供（i）显示器，（ii）根据校准的脉冲电流和脉冲持续时间控制在显示器上依次传输光脉冲的一行光脉冲发射器;以及 （iii）接收光脉冲的一行光脉冲接收器和表示接收到的光脉冲的输出值，当光脉冲未被阻塞时，每个接收器具有发射 - 接收器对的期望值，确定每个接收器输出值是否为 接收器 - 发射极对在相应的接收器预期值的相应指定范围内，并且当接收器 - 发射极对的接收器输出值在指定范围之外时，重新校准发射极，包括调整发射极脉冲电流和 脉冲持续时间，使得随后的接收器输出值在指定范围内，并且更新接收器的接收器期望值， 基于接收器的后续输出值的发射器对。

    Light-based touch screen with shift-aligned emitter and receiver lenses
    5.
    发明授权
    Light-based touch screen with shift-aligned emitter and receiver lenses 有权
    具有移位对准发射器和接收器镜头的基于光的触摸屏

    公开(公告)号：US09471170B2

    公开(公告)日：2016-10-18

    申请号：US13052511

    申请日：2011-03-21

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

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

    IPC分类号： G06F3/042 ,  G06F3/041

    CPC分类号： G06F3/0416 ,  G06F3/042 ,  G06F3/0421 ,  G06F3/0425 ,  G06F3/0428

    摘要： A touch screen including a housing, a display mounted in the housing, a plurality of collimating lenses mounted in the housing along two opposite edges of the display and arranged along the two edges so as to be shift-aligned relative to one another, a plurality of light pulse emitters mounted in the housing that are spaced apart from and transmit light pulses through the collimating lenses of one of the two edges over the display, a plurality of light pulse receivers mounted in the housing that are spaced apart from and receive the light pulses through the collimating lenses of the opposite of the two edges, and a calculating unit, mounted in the housing and connected to the receivers, that determines a location of a pointer on the display that partially blocks the light pulses transmitted by the emitters, based on outputs of the receivers.

    摘要翻译： 一种触摸屏，包括壳体，安装在壳体中的显示器，沿着显示器的两个相对边缘安装在壳体中的多个准直透镜，沿着两个边缘布置成相对于彼此移位对准，多个 安装在壳体中的光脉冲发射器与显示器上的两个边缘中的一个边缘的准直透镜间隔开并且透射光脉冲，多个光脉冲接收器安装在壳体中，该光脉冲接收器与壳体间隔开并接收光 脉冲通过两个边缘相反的准直透镜;以及计算单元，其安装在壳体中并连接到接收器，该计算单元确定指示器在显示器上的位置，其部分地阻挡由发射器发射的光脉冲，基于 对接收机的输出。

    Light-based touch screen using elongated light guides
    6.
    发明授权
    Light-based touch screen using elongated light guides 有权
    基于光的触摸屏使用细长的光导

    公开(公告)号：US09389730B2

    公开(公告)日：2016-07-12

    申请号：US13053264

    申请日：2011-03-22

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

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

    IPC分类号： G06F3/042

    CPC分类号： G06F3/0421 ,  G06F3/042 ,  G06F3/0425 ,  G06F3/0428

    摘要： A touch screen including a housing, a display mounted in the housing, a plurality of collimating lenses mounted in the housing and arranged along a first edge of the display, a plurality of light pulse emitters mounted in the housing that are spaced apart from and serially transmit light pulses through the collimating lenses over the display, a light guide mounted in the housing along the edge of the display opposite the first edge, for receiving the light pulses, the light guide including a reflective strip that reflects light pulses to one end of the light guide, a light pulse receiver mounted in the housing near the one end of the light guide, for receiving the reflected light pulses, and a calculating unit, mounted in the housing and connected to the receiver, for determining a location of a pointer on the display that partially blocks light pulses transmitted by the emitters, based on outputs of the receiver.

    摘要翻译： 一种触摸屏，包括壳体，安装在壳体中的显示器，安装在壳体中并沿着显示器的第一边缘布置的多个准直透镜，安装在壳体中的多个光脉冲发射器，其间隔开并且串联 在显示器上透过准直透镜的光脉冲，沿着与第一边缘相对的显示器的边缘安装在壳体中的光导，用于接收光脉冲，光导包括反射条，反射光束将光脉冲反射到 所述导光体，安装在所述壳体的靠近所述导光体一端的光脉冲接收器，用于接收所述反射光脉冲;以及计算单元，安装在所述外壳中并连接到所述接收器，用于确定指示器的位置 在基于接收器的输出部分地阻挡由发射器发射的光脉冲的显示器上。

    ASIC controller for light-based touch screen
    9.
    发明授权
    ASIC controller for light-based touch screen 有权
    用于基于光的触摸屏的ASIC控制器

    公开(公告)号：US08674966B2

    公开(公告)日：2014-03-18

    申请号：US13424413

    申请日：2012-03-20

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

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

    IPC分类号： G06F3/042

    CPC分类号： G06F3/0421 ,  G06F3/042 ,  G06F3/0425 ,  G06F3/0428

    摘要： A controller including a chip package coupled with a light-based touch screen, emitter driver circuitry inside the chip package for selectively activating photoemitters that are outside of the chip package, detector driver circuitry inside the chip package for selectively activating photo detectors that are outside of the chip package, detector signal processing circuitry for generating detection signals representing amounts of light detected on the photo detectors, signal conducting pins for connecting the photoemitters to the emitter driver circuitry, signal conducting pins for connecting the photo detectors to the detector driver circuitry and to the detector signal processing circuitry, 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 outputting the detection signals to a host processor, for the host processor to identify one or more locations on the touch screen that are being touched.

    摘要翻译： 一种控制器，包括与基于光的触摸屏耦合的芯片封装，芯片封装内部的发射极驱动器电路，用于选择性地激活位于芯片封装外部的光电发生器;芯片封装内的检测器驱动器电路，用于选择性地激活位于 芯片封装，检测器信号处理电路，用于产生表示光检测器上检测到的光量的检测信号，用于将光电发射器连接到发射极驱动器电路的信号导通引脚，用于将光电检测器连接到检测器驱动器电路的信号导通引脚，以及 检测器信号处理电路，用于控制发射极驱动器电路和检测器驱动器电路的芯片封装内的控制器电路，以及至少一个用于将检测信号输出到主机处理器的输入/输出引脚，用于主机处理器识别一个或 触摸屏上的更多位置就是a 重新被触动

    LIGHT-BASED TOUCH SCREEN USING ELONGATED LIGHT GUIDES
    10.
    发明申请
    LIGHT-BASED TOUCH SCREEN USING ELONGATED LIGHT GUIDES 审中-公开
    基于轻型的触摸屏使用伸缩指南

    公开(公告)号：US20110210946A1

    公开(公告)日：2011-09-01

    申请号：US13053264

    申请日：2011-03-22

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

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

    IPC分类号： G06F3/042

    CPC分类号： G06F3/0421 ,  G06F3/042 ,  G06F3/0425 ,  G06F3/0428

    摘要： A touch screen including a housing, a display mounted in the housing, a plurality of collimating lenses mounted in the housing and arranged along a first edge of the display, a plurality of light pulse emitters mounted in the housing that are spaced apart from and serially transmit light pulses through the collimating lenses over the display, a light guide mounted in the housing along the edge of the display opposite the first edge, for receiving the light pulses, the light guide including a reflective strip that reflects light pulses to one end of the light guide, a light pulse receiver mounted in the housing near the one end of the light guide, for receiving the reflected light pulses, and a calculating unit, mounted in the housing and connected to the receiver, for determining a location of a pointer on the display that partially blocks light pulses transmitted by the emitters, based on outputs of the receiver.

    摘要翻译： 一种触摸屏，包括壳体，安装在壳体中的显示器，安装在壳体中并沿着显示器的第一边缘布置的多个准直透镜，安装在壳体中的多个光脉冲发射器，其间隔开并且串联 在显示器上透过准直透镜的光脉冲，沿着与第一边缘相对的显示器的边缘安装在壳体中的光导，用于接收光脉冲，光导包括反射条，反射光束将光脉冲反射到 所述导光体，安装在所述壳体的靠近所述导光体一端的光脉冲接收器，用于接收所述反射光脉冲;以及计算单元，安装在所述外壳中并连接到所述接收器，用于确定指示器的位置 在基于接收器的输出部分地阻挡由发射器发射的光脉冲的显示器上。