APPARATUS AND METHOD FOR SENSING CAPACITANCE, AND TOUCH SCREEN APPARATUS
    1.
    发明申请
    APPARATUS AND METHOD FOR SENSING CAPACITANCE, AND TOUCH SCREEN APPARATUS 有权
    感应电容的装置和方法以及触摸屏设备

    公开(公告)号:US20130321326A1

    公开(公告)日:2013-12-05

    申请号:US13597573

    申请日:2012-08-29

    IPC分类号: G06F3/044

    CPC分类号: G06F3/044 G06F3/0416

    摘要: There are provided an apparatus for sensing capacitance, a method for sensing capacitance, and a touch screen apparatus. The apparatus for sensing capacitance includes; a driving circuit unit applying driving signals to a first capacitor; an integration circuit unit including a second capacitor and a third capacitor respectively charged by a change in capacitance generated in the first capacitor based on the driving signals to generate a predetermined output voltage and calculating a voltage difference between the output voltage of the second capacitor and the output voltage of the third capacitor; and a control unit determining characteristics of a noise signal based on the voltage difference and controlling the driving signals based on the characteristics of the noise signal.

    摘要翻译: 提供了用于感测电容的装置,用于感测电容的方法和触摸屏装置。 用于感测电容的装置包括: 将驱动信号施加到第一电容器的驱动电路单元; 积分电路单元,其包括基于所述驱动信号分别由所述第一电容器中产生的电容变化而充电的第二电容器和第三电容器,以产生预定的输出电压,并计算所述第二电容器的输出电压与 第三电容器的输出电压; 以及控制单元,其基于所述电压差来确定噪声信号的特性,并且基于所述噪声信号的特性来控制所述驱动信号。

    Apparatus and method for sensing capacitance, and touch screen apparatus
    2.
    发明授权
    Apparatus and method for sensing capacitance, and touch screen apparatus 有权
    用于感测电容的装置和方法以及触摸屏装置

    公开(公告)号:US09280230B2

    公开(公告)日:2016-03-08

    申请号:US13572064

    申请日:2012-08-10

    IPC分类号: G06F3/045 G06F3/041 G06F3/044

    CPC分类号: G06F3/0416 G06F3/044

    摘要: There are provided an apparatus for sensing capacitance, a method for sensing capacitance, and a touch screen apparatus. The apparatus for sensing capacitance includes; a first integration circuit unit including a first capacitor charged by a change in capacitance occurring in a sensing electrode; a comparison circuit unit comparing a level of an output signal of the first integration circuit unit with a predetermined reference level; and a noise removal unit including a plurality of switches operating according to an output of the comparison circuit unit, wherein the comparison circuit unit controls an operation of each of the plurality of switches to discharge charges charged in the first capacitor when the level of the output signal of the first integration circuit unit is higher than the reference level.

    摘要翻译: 提供了用于感测电容的装置,用于感测电容的方法和触摸屏装置。 用于感测电容的装置包括: 第一积分电路单元,包括由感测电极中发生的电容变化而充电的第一电容器; 比较电路单元,将第一积分电路单元的输出信号的电平与预定参考电平进行比较; 以及噪声去除单元,包括根据比较电路单元的输出操作的多个开关,其中,当输出电平时,比较电路单元控制多个开关中的每一个的操作以对充电在第一电容器中的电荷进行放电 第一积分电路单元的信号高于参考电平。

    Apparatus and method for sensing capacitance, and touch screen apparatus
    3.
    发明授权
    Apparatus and method for sensing capacitance, and touch screen apparatus 有权
    用于感测电容的装置和方法以及触摸屏装置

    公开(公告)号:US09170688B2

    公开(公告)日:2015-10-27

    申请号:US13597573

    申请日:2012-08-29

    IPC分类号: G06F3/044 G06F3/041

    CPC分类号: G06F3/044 G06F3/0416

    摘要: There are provided an apparatus for sensing capacitance, a method for sensing capacitance, and a touch screen apparatus. The apparatus for sensing capacitance includes; a driving circuit unit applying driving signals to a first capacitor; an integration circuit unit including a second capacitor and a third capacitor respectively charged by a change in capacitance generated in the first capacitor based on the driving signals to generate a predetermined output voltage and calculating a voltage difference between the output voltage of the second capacitor and the output voltage of the third capacitor; and a control unit determining characteristics of a noise signal based on the voltage difference and controlling the driving signals based on the characteristics of the noise signal.

    摘要翻译: 提供了用于感测电容的装置,用于感测电容的方法和触摸屏装置。 用于感测电容的装置包括: 将驱动信号施加到第一电容器的驱动电路单元; 积分电路单元,其包括基于所述驱动信号分别由所述第一电容器中产生的电容变化而充电的第二电容器和第三电容器,以产生预定的输出电压,并计算所述第二电容器的输出电压与 第三电容器的输出电压; 以及控制单元,其基于所述电压差来确定噪声信号的特性,并且基于所述噪声信号的特性来控制所述驱动信号。

    CAPACITANCE SENSING APPARATUS AND METHOD, AND TOUCHSCREEN APPARATUS
    4.
    发明申请
    CAPACITANCE SENSING APPARATUS AND METHOD, AND TOUCHSCREEN APPARATUS 有权
    电容传感装置和方法以及触摸装置

    公开(公告)号:US20140009432A1

    公开(公告)日:2014-01-09

    申请号:US13611166

    申请日:2012-09-12

    IPC分类号: G01R27/26 G06F3/044

    CPC分类号: G06F3/0418 G06F3/044

    摘要: There is provided a capacitance sensing apparatus including: a driving circuit unit applying a driving signal having a common level potential and first and second level potentials different from the common level potential to a first capacitor; a sensing circuit unit detecting a change in capacitance generated in the first capacitor; and a gain controlling circuit unit controlling a gain of the sensing circuit unit, wherein the sensing circuit unit includes a second capacitor charged by the change in capacitance of the first capacitor when a level of the driving signal is changed from the first level potential to the common level potential or changed from the common level potential to the second level potential.

    摘要翻译: 提供了一种电容感测装置,包括:驱动电路单元,将具有公共电位电位的驱动信号和与公共电平电位不同的第一和第二电平电位施加到第一电容器; 感测电路单元,检测在所述第一电容器中产生的电容的变化; 以及增益控制电路单元,其控制所述感测电路单元的增益,其中,所述感测电路单元包括当所述驱动信号的电平从所述第一电平电位变为所述第一电平电位时由所述第一电容器的电容变化而充电的第二电容器 共同水平的潜力或从共同水平的潜力变为二级潜力。

    Capacitance sensing apparatus and method, and touch screen apparatus
    5.
    发明授权
    Capacitance sensing apparatus and method, and touch screen apparatus 有权
    电容式感测装置和方法以及触摸屏装置

    公开(公告)号:US09170679B2

    公开(公告)日:2015-10-27

    申请号:US13613500

    申请日:2012-09-13

    IPC分类号: G06F3/044 G06F3/041 H03K17/96

    摘要: There is provided a capacitance sensing apparatus including: a driving circuit unit applying a driving signal to a first capacitor; a first integrating circuit unit including a second capacitor charged by a change in capacitance generated in the first capacitor based on the driving signal to generate a first output voltage; and a second integrating circuit unit including a third capacitor charged by a change in capacitance generated in the second capacitor to generate a second output voltage, wherein a level of the second output voltage is changed at least twice during a single period of the driving signal applied to the first capacitor.

    摘要翻译: 提供了一种电容感测装置,包括:驱动电路单元,将驱动信号施加到第一电容器; 第一积分电路单元,其包括通过基于所述驱动信号在所述第一电容器中产生的电容的变化而充电的第二电容器,以产生第一输出电压; 以及第二积分电路单元,包括通过在第二电容器中产生的电容变化而充电的第三电容器,以产生第二输出电压,其中在施加的驱动信号的单个周期期间,第二输出电压的电平至少改变两次 到第一个电容器。

    CAPACITANCE SENSING APPARATUS AND METHOD, AND TOUCH SCREEN APPARATUS
    6.
    发明申请
    CAPACITANCE SENSING APPARATUS AND METHOD, AND TOUCH SCREEN APPARATUS 有权
    电容感应装置和方法,触摸屏设备

    公开(公告)号:US20140009216A1

    公开(公告)日:2014-01-09

    申请号:US13613500

    申请日:2012-09-13

    IPC分类号: H02J7/00 H03K17/96

    摘要: There is provided a capacitance sensing apparatus including: a driving circuit unit applying a driving signal to a first capacitor; a first integrating circuit unit including a second capacitor charged by a change in capacitance generated in the first capacitor based on the driving signal to generate a first output voltage; and a second integrating circuit unit including a third capacitor charged by a change in capacitance generated in the second capacitor to generate a second output voltage, wherein a level of the second output voltage is changed at least twice during a single period of the driving signal applied to the first capacitor.

    摘要翻译: 提供了一种电容感测装置,包括:驱动电路单元,将驱动信号施加到第一电容器; 第一积分电路单元,其包括通过基于所述驱动信号在所述第一电容器中产生的电容的变化而充电的第二电容器,以产生第一输出电压; 以及第二积分电路单元,包括通过在第二电容器中产生的电容变化而充电的第三电容器,以产生第二输出电压,其中在施加的驱动信号的单个周期期间,第二输出电压的电平至少改变两次 到第一个电容器。

    Touchscreen having a capacitance sensing apparatus
    7.
    发明授权
    Touchscreen having a capacitance sensing apparatus 有权
    具有电容感测装置的触摸屏

    公开(公告)号:US09030429B2

    公开(公告)日:2015-05-12

    申请号:US13611166

    申请日:2012-09-12

    IPC分类号: G06F3/041 G06F3/044

    CPC分类号: G06F3/0418 G06F3/044

    摘要: There is provided a capacitance sensing apparatus including: a driving circuit unit applying a driving signal having a common level potential and first and second level potentials different from the common level potential to a first capacitor; a sensing circuit unit detecting a change in capacitance generated in the first capacitor; and a gain controlling circuit unit controlling a gain of the sensing circuit unit, wherein the sensing circuit unit includes a second capacitor charged by the change in capacitance of the first capacitor when a level of the driving signal is changed from the first level potential to the common level potential or changed from the common level potential to the second level potential.

    摘要翻译: 提供了一种电容感测装置,包括:驱动电路单元,将具有公共电位电位的驱动信号和与公共电平电位不同的第一和第二电平电位施加到第一电容器; 感测电路单元,检测在所述第一电容器中产生的电容的变化; 以及增益控制电路单元,其控制所述感测电路单元的增益,其中,所述感测电路单元包括当所述驱动信号的电平从所述第一电平电位变为所述第一电平电位时由所述第一电容器的电容变化而充电的第二电容器 共同水平的潜力或从共同水平的潜力变为二级潜力。

    TOUCH SENSING APPARATUS AND METHOD THEREOF
    8.
    发明申请
    TOUCH SENSING APPARATUS AND METHOD THEREOF 有权
    触摸感应装置及其方法

    公开(公告)号:US20130257789A1

    公开(公告)日:2013-10-03

    申请号:US13532088

    申请日:2012-06-25

    IPC分类号: G06F3/044

    CPC分类号: G06F3/044 G06F3/0418

    摘要: There are provided a touch sensing apparatus and method. The touch sensing apparatus includes a sensing circuit unit detecting a plurality of signals from a plurality of changes in capacitance generated in a plurality of electrodes provided in a panel unit; and a signal processing unit comparing, with predetermined reference levels, levels of at least two signals generated from changes in capacitance in at least two electrodes spaced apart from one another by a predetermined distance or greater, from among the plurality of electrodes, wherein, when the levels of the at least two signals are greater than the predetermined reference levels, the plurality of changes in capacitance are determined to be generated due to noise.

    摘要翻译: 提供了一种触摸感测装置和方法。 触摸感测装置包括感测电路单元,其从设置在面板单元中的多个电极中产生的电容的多个变化中检测多个信号; 以及信号处理单元,与所述多个电极中的至少两个彼此间隔开预定距离或更大的至少两个电极中的电容变化产生的至少两个信号的电平与预定参考电平进行比较,其中,当 至少两个信号的电平大于预定的参考电平,由于噪声,电容的多个变化被确定为产生。

    Touch sensing device and method thereof
    9.
    发明授权
    Touch sensing device and method thereof 有权
    触摸感测装置及其方法

    公开(公告)号:US08872791B2

    公开(公告)日:2014-10-28

    申请号:US13334405

    申请日:2011-12-22

    IPC分类号: G06F3/045 G06F3/041 G06F3/044

    CPC分类号: G06F3/044

    摘要: There are provided a touch sensing device and a method thereof. The touch sensing device, including: a plurality of sensing circuit units measuring capacitance variations from a plurality of sensing electrodes; at least one TDC circuit connected with the plurality of sensing circuit units to convert the capacitance variations into digital signals; a calculating unit judging a touch from the digital signals; and a delay circuit sequentially receiving the capacitance variations from the plurality of sensing circuit units.

    摘要翻译: 提供了一种触摸感测装置及其方法。 所述触摸感测装置包括:多个感测电路单元,测量来自多个感测电极的电容变化; 与多个感测电路单元连接的至少一个TDC电路将电容变化转换为数字信号; 计算单元,从数字信号判断触摸; 以及延迟电路,其顺序地从多个感测电路单元接收电容变化。

    TOUCH SENSING DEVICE AND METHOD THEREOF
    10.
    发明申请
    TOUCH SENSING DEVICE AND METHOD THEREOF 有权
    触摸感应装置及其方法

    公开(公告)号:US20130100069A1

    公开(公告)日:2013-04-25

    申请号:US13334405

    申请日:2011-12-22

    IPC分类号: G06F3/044

    CPC分类号: G06F3/044

    摘要: There are provided a touch sensing device and a method thereof. The touch sensing device, including: a plurality of sensing circuit units measuring capacitance variations from a plurality of sensing electrodes; at least one TDC circuit connected with the plurality of sensing circuit units to convert the capacitance variations into digital signals; a calculating unit judging a touch from the digital signals; and a delay circuit sequentially receiving the capacitance variations from the plurality of sensing circuit units.

    摘要翻译: 提供了一种触摸感测装置及其方法。 所述触摸感测装置包括:多个感测电路单元,测量来自多个感测电极的电容变化; 与多个感测电路单元连接的至少一个TDC电路将电容变化转换为数字信号; 计算单元,从数字信号判断触摸; 以及延迟电路,其顺序地从多个感测电路单元接收电容变化。