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    • 2. 发明授权
    • Apparatus and method for sensing capacitance, and touch screen apparatus
    • 用于感测电容的装置和方法以及触摸屏装置
    • US09280230B2
    • 2016-03-08
    • US13572064
    • 2012-08-10
    • Byeong Hak JoHyun Suk LeeMoon Suk JeongYong Il KwonTah Joon Park
    • Byeong Hak JoHyun Suk LeeMoon Suk JeongYong Il KwonTah Joon Park
    • G06F3/045G06F3/041G06F3/044
    • G06F3/0416G06F3/044
    • 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.
    • 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。
    • 7. 发明授权
    • Touchscreen having a capacitance sensing apparatus
    • 具有电容感测装置的触摸屏
    • US09030429B2
    • 2015-05-12
    • US13611166
    • 2012-09-12
    • Yong Il KwonMoon Suk JeongByeong Hak JoTah Joon Park
    • Yong Il KwonMoon Suk JeongByeong Hak JoTah Joon Park
    • G06F3/041G06F3/044
    • G06F3/0418G06F3/044
    • 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.
    • 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。
    • 8. 发明授权
    • Power amplifier break down characteristic
    • 功率放大器分解特性
    • US08143950B2
    • 2012-03-27
    • US12712071
    • 2010-02-24
    • Hyeon Seok HwangYoo Sam NaMoon Suk JeongGyu Suck KimByeong Hak Jo
    • Hyeon Seok HwangYoo Sam NaMoon Suk JeongGyu Suck KimByeong Hak Jo
    • H03F1/52H03F1/22
    • H03F1/223
    • Disclosed herein is a power amplifier. The power amplifier includes a first common source transistor for amplifying an input signal into a predetermined level, a second common source transistor for compensating for input capacitance and performing auxiliary amplification for the first common source transistor, and a common gate transistor connected to the first common source transistor in a cascode structure, configured to be connected in parallel to the second common source transistor and prevent the first common source transistor from breaking down, and configured to output a signal amplified by a value obtained by adding the gain of the first common source transistor and the gain of the second common source transistor to each other.
    • 这里公开了功率放大器。 功率放大器包括用于将输入信号放大到预定电平的第一公共源极晶体管,用于补偿输入电容并对第一公共源晶体管执行辅助放大的第二公共源极晶体管,以及连接到第一公共栅极晶体管的公共栅极晶体管 源极晶体管,其被配置为并联连接到第二公共源极晶体管,并且防止第一公共源极晶体管分解,并且被配置为输出通过将第一公共源的增益相加而获得的值放大的信号 晶体管和第二公共源极晶体管的增益。
    • 9. 发明申请
    • POWER AMPLIFICATION MODULE FOR MOBILE COMMUNICATION TERMINAL
    • 用于移动通信终端的功率放大模块
    • US20110143821A1
    • 2011-06-16
    • US12714118
    • 2010-02-26
    • Hyeon Seok HWANGYoo Sam NaMoon Suk JeongByeong Hak Jo
    • Hyeon Seok HWANGYoo Sam NaMoon Suk JeongByeong Hak Jo
    • H04M1/00
    • H03F1/223H03F3/602
    • Disclosed herein is a power amplification module for a mobile communication terminal. The power amplification module includes a balanced power amplifier configured to divide an input signal using a phase difference, amplify resulting signals, and combine the amplified signals with each other, and a transmission power detection unit connected to an isolation terminal formed on an output side of the balanced power amplifier and configured to amplify a micro-power signal, which is transmitted to the isolation terminal from an outside of the transmission power detection unit, and to transmit the amplified signal. Accordingly, since the detection signal to input terminal and detection signal output terminal of a transmission power detection unit can be easily implemented using an internal circuit, the entire size of the power amplification module can be reduced. Further, characteristic of isolation between the detection signal input terminal and the detection signal output terminal can be improved.
    • 这里公开了一种用于移动通信终端的功率放大模块。 功率放大模块包括:平衡功率放大器,被配置为使用相位差来分割输入信号,放大所产生的信号,并将放大的信号相互组合;以及发送功率检测单元,连接到形成在输出侧的隔离端子 所述平衡功率放大器被配置为放大从所述发送功率检测单元的外部传送到所述隔离端子的微功率信号,并发送所述放大信号。 因此,由于可以使用内部电路容易地实现发送功率检测单元的输入端子和检测信号输出端子的检测信号,因此可以减小功率放大模块的整体尺寸。 此外,可以提高检测信号输入端子与检测信号输出端子之间的隔离特性。