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    • 2. 发明申请
    • Methods for Operation of a Touch Input Device
    • 触摸输入设备的操作方法
    • US20110012856A1
    • 2011-01-20
    • US12921202
    • 2009-03-05
    • Ian Andrew MaxwellDax KukuljBrigg MaundGraham Roy Atkins
    • Ian Andrew MaxwellDax KukuljBrigg MaundGraham Roy Atkins
    • G06F3/041
    • G06F3/018G06F3/0421G06F3/04845G06F3/04883G06F3/04886H03K17/9629
    • The invention provides a method for operation of a touch input device comprising a touch input area. The method comprises the steps of (i) detecting a touch or near-touch of an object on or near said touch input area; (ii) determining a parameter indicative of the size and/or shape of said object; (iii) comparing said parameter with at least one predetermined value; and (iv) enabling an operational state of said touch input device in response to said comparison. The parameter may be compared with one or more threshold values which delimit the operational state of the input device. Such operational states include a sleep mode or active mode, the use of a full QWERTY or reduced keyboard, translation or rotation of graphical elements, etc. The method is particularly suitable for differentiating between a touch by a stylus or touch by a finger.
    • 本发明提供了一种用于操作包括触摸输入区域的触摸输入设备的方法。 该方法包括以下步骤:(i)检测所述触摸输入区域上或其附近的物体的触摸或接近触摸; (ii)确定指示所述物体的尺寸和/或形状的参数; (iii)将所述参数与至少一个预定值进行比较; 以及(iv)响应于所述比较启用所述触摸输入设备的操作状态。 该参数可以与限定输入设备的操作状态的一个或多个阈值进行比较。 这样的操作状态包括睡眠模式或活动模式,使用完整的QWERTY或缩减的键盘,图形元素的平移或旋转等。该方法特别适用于通过手写笔的触摸或手指的触摸进行区分。
    • 9. 发明申请
    • Planar Waveguide Lens Design
    • 平面波导镜头设计
    • US20080111796A1
    • 2008-05-15
    • US11558587
    • 2006-11-10
    • Graham Roy AtkinsDax KukuljRobert Bruce Charters
    • Graham Roy AtkinsDax KukuljRobert Bruce Charters
    • G06F3/042
    • G06F3/0421G02B6/12004G02B6/1221G02B6/138G02B6/32G02B27/30G02B2006/12102G02B2006/1219
    • This invention relates to an improved design for the transmit and receive optical elements of a waveguide-based optical touch screen sensor, where at least one converging lens is incorporated within the body of each transmit and receive element. The optical elements of the improved design are more mechanically robust, easier to incorporate into the touch screen assembly, and are less susceptible to stray light and the ingress of foreign matter. In one embodiment the converging lens collimates the light into a plane wave. In another embodiment the converging lens focuses the light to an external point. In yet another embodiment, each transmit and receive element also includes at least one diverging lens. The transmit and receive elements and associated waveguides preferably comprise photo-patternable polymers.
    • 本发明涉及一种用于基于波导的光学触摸屏传感器的发射和接收光学元件的改进设计,其中至少一个会聚透镜并入每个发射和接收元件的主体内。 改进设计的光学元件更机械坚固,更易于并入触摸屏组件,并且不太容易受杂散光和异物侵入的影响。 在一个实施例中,会聚透镜将光准直成平面波。 在另一个实施例中,会聚透镜将光聚焦到外部点。 在另一个实施例中,每个发射和接收元件还包括至少一个发散透镜。 发射和接收元件和相关联的波导优选地包括光可图案化的聚合物。