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    • 2. 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。