公开(公告)号：US08164489B2

公开(公告)日：2012-04-24

申请号：US12422527

申请日：2009-04-13

申请人： Yong Il Kwon ,  Kyung Hee Hong ,  Sang Hoon Hwang ,  Tah Joon Park

发明人： Yong Il Kwon ,  Kyung Hee Hong ,  Sang Hoon Hwang ,  Tah Joon Park

IPC分类号： H03M11/00

CPC分类号： H03M11/20

摘要： In a key scanning circuit, a key input unit has a parallel connection of a plurality of circuits having a series connection of resistors and switches between a power supply input terminal and a key scanning terminal. The resistors connected in parallel have different resistances. A current mirror has a first terminal connected to the key scanning terminal. A reference current source is connected between a second terminal of the current mirror and the power supply input terminal.

摘要翻译： 在键扫描电路中，键输入单元具有在电源输入端和键扫描端之间具有电阻和开关的串联连接的多个电路的并联连接。 并联的电阻器具有不同的电阻。 电流反射镜具有连接到键扫描终端的第一端子。 参考电流源连接在电流镜的第二端和电源输入端之间。

公开(公告)号：US20070272988A1

公开(公告)日：2007-11-29

申请号：US11754129

申请日：2007-05-25

申请人： Yong Il Kwon ,  Joon Hyung Lim ,  Tah Joon Park

发明人： Yong Il Kwon ,  Joon Hyung Lim ,  Tah Joon Park

IPC分类号： H01L29/76

CPC分类号： G05F1/46

摘要： There is disclosed a voltage regulating apparatus with a short settling time and a small current consumption. The voltage regulating apparatus comprises a reference voltage generator including an MOSFET array comprising a plurality of MOSFETs with a structure in which a drain and a source are connected in series with each other, a supply voltage is applied to the drain of the MOSFET located in an end of the MOSFET array and the source of the MOSFET located in another end is grounded, and the reference voltage is a voltage obtained by dividing by the plurality of MOSFETs of the MOSFET array at a predetermined ratio.

摘要翻译： 公开了一种具有短的稳定时间和小的电流消耗的电压调节装置。 电压调节装置包括参考电压发生器，该参考电压发生器包括具有多个MOSFET的MOSFET阵列，其具有将漏极和源极彼此串联连接的结构，将电源电压施加到位于 MOSFET阵列的端部和位于另一端的MOSFET的源极接地，并且参考电压是通过以预定比率除以MOSFET阵列的多个MOSFET获得的电压。

公开(公告)号：US09280230B2

公开(公告)日：2016-03-08

申请号：US13572064

申请日：2012-08-10

申请人： Byeong Hak Jo ,  Hyun Suk Lee ,  Moon Suk Jeong ,  Yong Il Kwon ,  Tah Joon Park

发明人： Byeong Hak Jo ,  Hyun Suk Lee ,  Moon Suk Jeong ,  Yong Il Kwon ,  Tah Joon Park

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。

公开(公告)号：US09170688B2

公开(公告)日：2015-10-27

申请号：US13597573

申请日：2012-08-29

申请人： Yong Il Kwon ,  Moon Suk Jeong ,  Byeong Hak Jo ,  Hyun Suk Lee ,  Tah Joon Park

发明人： Yong Il Kwon ,  Moon Suk Jeong ,  Byeong Hak Jo ,  Hyun Suk Lee ,  Tah Joon Park

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。

公开(公告)号：US09030429B2

公开(公告)日：2015-05-12

申请号：US13611166

申请日：2012-09-12

申请人： Yong Il Kwon ,  Moon Suk Jeong ,  Byeong Hak Jo ,  Tah Joon Park

发明人： Yong Il Kwon ,  Moon Suk Jeong ,  Byeong Hak Jo ,  Tah Joon Park

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。

公开(公告)号：US20140009431A1

公开(公告)日：2014-01-09

申请号：US13607919

申请日：2012-09-10

申请人： Yong Il Kwon ,  Kyung Hee Hong ,  Sang Ho Lee ,  Tah Joon Park

发明人： Yong Il Kwon ,  Kyung Hee Hong ,  Sang Ho Lee ,  Tah Joon Park

IPC分类号： G06F3/044

CPC分类号： G06F3/044 ,  G06F3/0416

摘要： There is provided a capacitance sensing apparatus including: a driving circuit unit sequentially applying a driving signal to each of a plurality of first electrodes; a sensing circuit unit including a first integrating circuit detecting a first change in capacitance generated in a plurality of second electrodes by the driving signal and a second integrating circuit connected to another first electrode adjacent to the first electrode to which the driving signal is applied; and an operating unit connected to the sensing circuit unit to determine a touch input, wherein the second integrating circuit detects a second change in capacitance generated due to noise in the another first electrode, and the operating unit determines the touch input based on the first and second changes in capacitance.

摘要翻译： 提供了一种电容感测装置，包括：驱动电路单元，对多个第一电极中的每一个依次施加驱动信号; 感测电路单元，包括：第一积分电路，其通过驱动信号检测在多个第二电极中产生的电容的第一变化;以及第二积分电路，连接到与施加驱动信号的第一电极相邻的另一第一电极; 以及连接到所述感测电路单元以确定触摸输入的操作单元，其中所述第二积分电路检测由于所述另一第一电极中的噪声而产生的电容的第二变化，并且所述操作单元基于所述第一和第二电极确定所述触摸输入， 二次电容变化。

公开(公告)号：US20130135247A1

公开(公告)日：2013-05-30

申请号：US13406886

申请日：2012-02-28

申请人： Jun Kyung NA ,  Yong Il Kwon ,  Tah Joon Park ,  Jae Hyouck Choi ,  Il Kwon Chung

发明人： Jun Kyung NA ,  Yong Il Kwon ,  Tah Joon Park ,  Jae Hyouck Choi ,  Il Kwon Chung

IPC分类号： G06F3/044

CPC分类号： G06F21/32

摘要： There is provided a touch sensing apparatus including a panel unit in which a plurality of electrodes intersecting with each other are disposed; and a control unit sensing changes in capacitance generated in regions in which respective electrodes, among the plurality of intersecting electrodes, intersect, wherein the panel unit includes a first region in which the plurality of electrodes are disposed with a first interval therebetween, and a second region in which the plurality of electrodes are disposed with a second interval therebetween, and the control unit senses a fingerprint touching the second region based on a change in capacitance generated therein.

摘要翻译： 提供一种触摸感测装置，其包括彼此相交的多个电极的面板单元; 以及控制单元，其感测在所述多个交叉电极中的各个电极相交的区域中产生的电容的变化，其中所述面板单元包括在其间以第一间隔布置所述多个电极的第一区域，以及第二区域 所述多个电极之间以第二间隔布置所述多个电极的区域，并且所述控制单元基于其中产生的电容的变化来感测接触所述第二区域的指纹。

公开(公告)号：US20130127774A1

公开(公告)日：2013-05-23

申请号：US13359620

申请日：2012-01-27

申请人： Gyung Hee Hong ,  Tah Joon Park ,  Sang Ho Lee ,  Yong Il Kwon

发明人： Gyung Hee Hong ,  Tah Joon Park ,  Sang Ho Lee ,  Yong Il Kwon

IPC分类号： G06F3/044

CPC分类号： G06F3/044 ,  G06F3/0416

摘要： There are provided a touch sensing apparatus and a touch sensing method. The touch sensing apparatus includes: a panel unit provided with a plurality of electrodes; a sensing circuit unit detecting variations in capacitance in the plurality of electrodes; and a calculating unit determining a touch from the variations in capacitance, wherein the calculating unit applies different parameters for determining the touch to the plurality of individual electrodes. The parameters such as an integration time, a digital signal conversion time, and a driving signal application time are set differently according to positions in which the variations in capacitance are detected, driving efficiency may be improved and power consumption may be significantly reduced.

摘要翻译： 提供了触摸感测装置和触摸感测方法。 触摸感测装置包括：具有多个电极的面板单元; 感测电路单元，其检测所述多个电极中的电容的变化; 以及计算单元，根据电容的变化确定触摸，其中所述计算单元应用用于确定对所述多个单独电极的触摸的不同参数。 根据检测到电容变化的位置，积分时间，数字信号转换时间和驱动信号施加时间等参数被不同地设定，可以提高驱动效率，并且能够显着降低功耗。

公开(公告)号：US20130113721A1

公开(公告)日：2013-05-09

申请号：US13347235

申请日：2012-01-10

申请人： Hyun Suk Lee ,  Yong Il Kwon ,  Tah Joon Park

发明人： Hyun Suk Lee ,  Yong Il Kwon ,  Tah Joon Park

IPC分类号： G06F3/041

CPC分类号： G06F3/0416 ,  G06F3/044

摘要： There are provided a touch sensing method and a touch sensing apparatus that can minimize the influence of noise due to a driving signal of a display apparatus. The touch sensing method includes generating an analog signal by sensing variations in capacitance generated from a plurality of electrodes; measuring a first time required for a level of the analog signal to reach a first reference value; determining whether the first time is included in a noise generation period of a driving signal of a display apparatus; and measuring a second time required for a level of the analog signal to reach a second reference value when the first time is included in the noise generation period.

摘要翻译： 提供了一种触摸感测方法和触摸感测装置，其可以最小化由于显示装置的驱动信号引起的噪声的影响。 触摸感测方法包括通过感测从多个电极产生的电容的变化来产生模拟信号; 测量所述模拟信号的电平达到第一参考值所需的第一时间; 确定第一次是否包括在显示装置的驱动信号的噪声产生周期中; 以及当所述第一时间包括在所述噪声产生周期中时，测量所述模拟信号的电平达到第二参考值所需的第二时间。

公开(公告)号：US08095100B2

公开(公告)日：2012-01-10

申请号：US12137479

申请日：2008-06-11

申请人： Yong Il Kwon ,  Sang Hyun Min ,  Tah Joon Park

发明人： Yong Il Kwon ,  Sang Hyun Min ,  Tah Joon Park

IPC分类号： H04B17/00 ,  H04B1/06 ,  H04B7/00

CPC分类号： H04B1/0007

摘要： There is provided a receiver with a sigma-delta structure, the receiver including: a low noise amplifier amplifying a received signal according to a detection signal; a mixer converting an RF signal of the low noise amplifier into an IF signal; a sigma-delta A/D converter converting the IF signal from the mixer 200 into a digital signal; a 1 bit detector determining whether a voltage of the output signal of the mixer is greater than that of a predetermined reference voltage and outputting the detection signal including a result of the determination; and a demodulator obtaining an FFT result with respect to the signal from the sigma-delta A/D converter and adding or subtracting a predetermined gain value to or from the FFT result to calculate received signal strength indication (RSSI).

摘要翻译： 提供具有Σ-Δ结构的接收机，所述接收机包括：低噪声放大器，根据检测信号放大接收信号; 将低噪声放大器的RF信号转换成IF信号的混频器; 将来自混频器200的IF信号转换成数字信号的Σ-ΔA/ D转换器; 1比特检测器，确定混频器的输出信号的电压是否大于预定参考电压的输出信号，并输出包括确定结果的检测信号; 以及解调器，相对于来自Σ-ΔA/ D转换器的信号获得FFT结果，并向FFT结果加上或减去预定增益值，以计算接收信号强度指示（RSSI）。