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    Capacitive-based rotational positioning input device
    1.
    发明申请
    Capacitive-based rotational positioning input device 审中-公开
    电容式旋转定位输入装置

    公开(公告)号：US20070247421A1

    公开(公告)日：2007-10-25

    申请号：US11606560

    申请日：2006-11-30

    申请人： Timothy James Orsley ,  Jonah Harley ,  Thomas Patrick Murphy ,  Alla Shapiro

    发明人： Timothy James Orsley ,  Jonah Harley ,  Thomas Patrick Murphy ,  Alla Shapiro

    IPC分类号： G09G5/00

    CPC分类号： G06F3/0362 ,  H01H25/041 ,  H01H2025/048

    摘要： An input device includes an electrode base and a code wheel rotatably mounted and vertically spaced relative to the electrode base. The electrode base includes a first array of circumferentially spaced sense electrodes, an array of non-conductive portions interposed between adjacent respective sense electrodes, and at least one drive electrode. The code wheel includes an array of circumferentially spaced apart conductive portions and an array of non-conductive portions interposed between adjacent respective conductive portions of the code wheel. The controller is configured to capture user inputs based on an output signal produced via capacitive coupling of the at least one drive electrode of the electrode base, via the code wheel, to the respective sense electrodes of the electrode base.

    摘要翻译： 输入装置包括电极基座和可相对于电极基座可旋转地安装和垂直间隔开的代码轮。 电极基座包括周向隔开的感测电极的第一阵列，插入在相邻的感测电极之间的非导电部分的阵列，以及至少一个驱动电极。 码盘包括周向间隔开的导电部分的阵列和插入在代码轮的相邻各个导电部分之间的非导电部分阵列。 控制器被配置为基于通过电极基座的至少一个驱动电极经由码盘经电容耦合产生的输出信号来捕获用户输入到电极基座的相应感测电极。