公开(公告)号：US20160034094A1

公开(公告)日：2016-02-04

申请号：US14807530

申请日：2015-07-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sang-Hyub Kang ,  Ki-Duk Kim ,  Jun-Chul Park ,  Ho-Jin Park ,  Kyung-Hoon Lee ,  Min-Chul Lee ,  Jin-Chul Lee ,  Choong-Hoon Lee ,  Michael Choi ,  Yoon-Kyung Choi

IPC: G06F3/041 ,  H03F3/45 ,  H03G3/00

CPC classification number: G06F3/0416 ,  H03F3/45475 ,  H03F3/45968 ,  H03F2200/228 ,  H03F2203/45116 ,  H03F2203/45522 ,  H03F2203/45591 ,  H03G1/0088

Abstract: A programmable gain amplifier (PGA) circuit includes a first input resistor coupled between a first input node and a first summing node and a second input resistor coupled between a second input node and a second summing node. The PGA circuit further includes a first variable reference resistor coupled between a third input node and the first summing node, a second variable reference resistor coupled between a fourth input node and the second summing node, and an operational amplifier having first and second inputs coupled to respective ones of the first and second summing nodes and first and second outputs coupled to respective ones of the first and second output nodes. At least of the first and second reference resistors may include an R-2R ladder circuit.

Abstract translation: 可编程增益放大器（PGA）电路包括耦合在第一输入节点和第一求和节点之间的第一输入电阻器以及耦合在第二输入节点和第二求和节点之间的第二输入电阻器。 PGA电路还包括耦合在第三输入节点和第一求和节点之间的第一可变参考电阻器，耦合在第四输入节点和第二求和节点之间的第二可变参考电阻器，以及运算放大器，其具有耦合到 第一和第二求和节点中的相应的，以及耦合到第一和第二输出节点中的相应的第一和第二输出节点的第一和第二输出。 至少第一和第二参考电阻器可以包括R-2R梯形电路。

公开(公告)号：US09292125B2

公开(公告)日：2016-03-22

申请号：US14185624

申请日：2014-02-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ki-Duk Kim ,  Yoonkyung Choi ,  Junchul Park ,  San-Ho Byun ,  Minchul Lee ,  Ji-Sung Jung

IPC: G06F3/041 ,  H03M3/00 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04112 ,  H03M3/504

Abstract: A touch sensing device including digital filter is provided. The touch sensing device includes a touch panel and a touch sensor configured to sensing a touch through the touch panel. The touch sensor includes a plurality of sensing units connected to the touch panel through a plurality of sensing lines. Each of the plurality of sensing units includes a digital filter configured to generate a valid filtered value at a time and invalid filtered value at other times by performing an operation on a plurality of input digital samples and a plurality of filter coefficients.

Abstract translation: 提供了包括数字滤波器的触摸感测装置。 触摸感测装置包括触摸面板和被配置为感测通过触摸面板的触摸的触摸传感器。 触摸传感器包括通过多个感测线连接到触摸面板的多个感测单元。 多个感测单元中的每一个包括数字滤波器，其被配置为通过对多个输入数字样本和多个滤波器系数执行操作来一次生成有效的滤波值并且在其它时间产生无效滤波值。