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    • 3. 发明申请
    • CAPACITIVE TOUCHPAD
    • 电容触摸板
    • US20120256876A1
    • 2012-10-11
    • US13441075
    • 2012-04-06
    • I-HAU YEHTA-FAN HSUSHU-WEI HUANG
    • I-HAU YEHTA-FAN HSUSHU-WEI HUANG
    • G06F3/045
    • G06F3/044G06F3/0414
    • A capacitive touchpad has insulating blocks provided above and below a resilient layer. The insulating blocks above the resilient layer are offset in position with respect to the insulating blocks below the resilient layer. Due to the insulating blocks, a plurality of gaps are formed in the capacitive touchpad. The gaps are filled with a fluid medium. When a conductive or non-conductive object touches the capacitive touchpad, the resilient layer is deformed at the touched position and thereby displaces the fluid medium completely from the affected gaps. As a result, the distance and the dielectric coefficient between the resilient layer or an electrode plate and a sensor layer are changed, causing variation in capacitance.
    • 电容式触摸板具有设置在弹性层之上和之下的绝缘块。 弹性层上方的绝缘块相对于弹性层下方的绝缘块偏移位置。 由于绝缘块,在电容式触摸板中形成多个间隙。 间隙填充有流体介质。 当导电或非导电物体接触电容式触摸板时,弹性层在触摸位置变形,从而使流体介质从受影响的间隙完全移位。 结果,弹性层或电极板与传感器层之间的距离和介电系数发生变化,导致电容变化。
    • 4. 发明申请
    • SINGLE LAYER IMPLEMENTED TWO DIMENSIONAL TOUCHPAD
    • 单层实现两维触摸屏
    • US20120075215A1
    • 2012-03-29
    • US13231086
    • 2011-09-13
    • I-HAU YEH
    • I-HAU YEH
    • G06F3/041
    • G06F3/044G06F2203/04103
    • A single-layer implemented two-dimensional touchpad includes two groups of sensing units arranged abreast along two directions, respectively. The first group of sensing units have one end adjacent to the connection region of the touchpad and are connected with wires routing to the connection region. The second group of sensing units are connected with wires bypassing the first group of sensing units and routing to the connection region. This arrangement decreases the number of wires routing through the margin of the circuit board of the touchpad to downsize the margin width and reduce the limitation to the touchpad size simultaneously, only by changing the layout of the sensing units, without increasing the manufacturing mask and steps.
    • 单层实现的二维触摸板分别包括沿两个方向并排布置的两组感测单元。 第一组感测单元具有与触摸板的连接区域相邻的一端,并且与连接到连接区域的导线连接。 第二组感测单元与绕过第一组感测单元的导线连接,并连接到连接区域。 这种布置减少了通过触摸板的电路板的边缘布线的布线数量,以减小边缘宽度,并且仅通过改变感测单元的布局而减小对触摸板尺寸的限制,而不增加制造掩模和步骤 。