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    • 9. 发明授权
    • Vehicle accessory control interface having capactive touch switches
    • 车载附件控制接口具有主动式触摸开关
    • US09046967B2
    • 2015-06-02
    • US12496938
    • 2009-07-02
    • Todd R. NewmanJohn M. Washeleski
    • Todd R. NewmanJohn M. Washeleski
    • G06F3/044G06F3/0354G06F3/041
    • G06F3/0416G06F3/03547G06F3/044G06F2203/04105
    • A system for enabling an operator to control a vehicle accessory includes a control interface and a processor. The control interface has a display surface and a touch area defined by an electrically conductive layer adjacent the display surface. The conductive layer capacitively couples to an electrically conductive object upon the object touching or being in proximity with the touch area while the conductive layer is driven with an electrical charge. The processor drives the conductive layer with the electrical charge, detects the capacitive coupling of the conductive layer to the object upon the object touching or being in proximity with the touch area while the conductive layer is driven, generates a signal indicative of the object touching or being in proximity with the touch area upon detecting the capacitive coupling of the conductive layer to the object, and provides the signal to the accessory for controlling the accessory accordingly.
    • 用于使操作者能够控制车辆附件的系统包括控制接口和处理器。 控制界面具有显示表面和由邻近显示表面的导电层限定的触摸区域。 当物体接触时,导电层电容耦合到导电物体,或者在导电层被电荷驱动的同时与触摸区域接近。 处理器用电荷驱动导电层,在导电层被驱动时,在物体接触或接近触摸区域时检测导电层与物体的电容耦合,产生指示物体接触的信号或 在检测到导电层与物体的电容耦合时靠近触摸区域,并且将信号提供给附件以相应地控制附件。