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    • 9. 发明申请
    • Sensing Method and Circuit for Use with Capacitive Sensing Devices
    • 用于电容式传感器件的感应方法和电路
    • US20130043890A1
    • 2013-02-21
    • US13588612
    • 2012-08-17
    • Jie YuJames Zhang
    • Jie YuJames Zhang
    • G01R27/26
    • G06F3/044G06F3/0416
    • A sensing method is used for a capacitive sensing device, wherein the capacitive sensing device has a plurality of capacitive sensing components, each of which is charged or discharged by a charging component respectively. The sensing method comprises the steps of: a first sampling step of sampling at least one of charging or discharging time of a capacitive sensing component of the plurality of capacitive sensing components to determine a first sample time for the component sampled, wherein the component sampled and at least one another component of the plurality of capacitive sensing components are charged or discharged simultaneously during the first sampling step; a first comparing step of comparing the first sample time for the component sampled with a reference time; and an outputting step of outputting a trigger signal in the event that the first sample time exceeds the reference time.
    • 感测方法用于电容感测装置,其中电容性感测装置具有多个电容感测部件,每个电容感测部件分别由充电部件充电或放电。 感测方法包括以下步骤:第一采样步骤,对多个电容感测组件的电容感测组件的充电或放电时间中的至少一个进行采样,以确定采样组件的第一采样时间, 所述多个电容感测部件中的至少另一个部件在所述第一采样步骤期间同时充电或放电; 第一比较步骤,用于将采样的分量的第一采样时间与参考时间进行比较; 以及在第一采样时间超过基准时间的情况下输出触发信号的输出步骤。