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    • 5. 发明申请
    • TOUCH SENSING APPARATUS AND TOUCHSCREEN APPARATUS INCLUDING THE SAME
    • 触摸感应装置和触控装置,包括它们
    • US20150346879A1
    • 2015-12-03
    • US14721503
    • 2015-05-26
    • Samsung Electro-Mechanics Co., Ltd.
    • Moon Suk JEONGYong Il KWONTah Joon PARKByeong Hak JO
    • G06F3/047G09G5/00G09G5/18G06F3/044
    • G06F3/044G06F3/0416
    • A touch sensing apparatus may include a driving signal generating circuit including a first switch and a second switch and providing driving signals to a first node of a node capacitor, the driving signals being generated by switching operations of the first switch and the second switch, and a C-V converting circuit including a buffer circuit having a first feedback capacitor and a third switch disposed between a second node of the node capacitor and the first feedback capacitor and transferring a charging voltage of the node capacitor to the first feedback capacitor through a switching operation of the third switch to generate an output voltage. The buffer circuit further includes a fourth switch disposed between the second node of the node capacitor and a current source, and the fourth switch is turned on in an off operation section of the third switch.
    • 触摸感测装置可以包括包括第一开关和第二开关的驱动信号发生电路,并且向节点电容器的第一节点提供驱动信号,所述驱动信号是通过第一开关和第二开关的切换操作产生的,以及 CV转换电路,包括具有第一反馈电容器的缓冲电路和设置在节点电容器的第二节点和第一反馈电容器之间的第三开关,并且通过开关操作将节点电容器的充电电压传送到第一反馈电容器 第三个开关产生一个输出电压。 缓冲电路还包括设置在节点电容器的第二节点和电流源之间的第四开关,并且第四开关在第三开关的断开操作部分中导通。
    • 6. 发明申请
    • TOUCH SENSING DEVICE AND TOUCHSCREEN DEVICE
    • 触摸感应装置和触摸装置
    • US20140253491A1
    • 2014-09-11
    • US13893733
    • 2013-05-14
    • SAMSUNG ELECTRO-MECHANICS CO., LTD.
    • Yong Il KWONTah Joon PARKByeong Hak JOHyun Suk LEE
    • G06F3/044
    • G06F3/044G06F2203/04107
    • There are provided a touch sensing device and a touchscreen device, the touch sensing device including a plurality of driving electrodes extended in a first axial direction, a plurality of sensing electrodes extended in a second axial direction intersecting with the first axial direction, an integrating circuit unit generating a first analog signal by integrating a change in capacitance generated in a first sensing electrode among the plurality of sensing electrodes and generating a second analog signal from a change in capacitance generated in a second sensing electrode adjacent to the first sensing electrode, and a subtracting unit calculating a difference in levels between the first and second analog signals.
    • 提供了一种触摸感测装置和触摸屏装置,该触摸感测装置包括沿第一轴向延伸的多个驱动电极,沿与第一轴向方向相交的第二轴向延伸的多个感测电极,积分电路 单元通过积分多个感测电极中的第一感测电极中产生的电容的变化而产生第一模拟信号,并且从与第一感测电极相邻的第二感测电极中产生的电容的变化产生第二模拟信号,以及 减法单元计算第一和第二模拟信号之间的电平差。