公开(公告)号：US08614688B2

公开(公告)日：2013-12-24

申请号：US13305366

申请日：2011-11-28

Applicant: Chin-Fu Chang

Inventor： Chin-Fu Chang

IPC: G06F3/041 ,  G06F3/045

CPC classification number: G06F3/044 ,  G06F3/0416 ,  G06F3/0418 ,  G06F2203/04103 ,  G06F2203/04104 ,  G06F2203/04107 ,  G06F2203/04111

Abstract: The present invention provides a mutual capacitive multi-touch screen, which includes a guarding pattern and a conductive strip pattern exposed from each other. The conductive strip pattern includes a plurality of first conductive strips provided with a driving signal and a plurality of second conductive strips for providing mutual capacitive coupling signals, and the guarding pattern is provided with a DC signal. The guarding pattern allows that, when a touch range of each external conductive object is larger than a predetermined condition, capacitive coupling between each external conductive object and the guarding pattern or capacitive coupling between each external conductive object and the first conductive strips and the guarding pattern is greater than capacitive coupling between each external conductive object and the second conductive strips.

公开(公告)号：US08600698B2

公开(公告)日：2013-12-03

申请号：US12923804

申请日：2010-10-08

Applicant: Chin-Fu Chang ,  Cheng-Han Lee ,  Chi-Hao Tang ,  Shun-Lung Ho

Inventor： Chin-Fu Chang ,  Cheng-Han Lee ,  Chi-Hao Tang ,  Shun-Lung Ho

IPC: G01C9/00 ,  G06F19/00

CPC classification number: G01R27/2605 ,  G06F3/03545 ,  G06F3/0416 ,  G06F3/0418 ,  G06F3/044 ,  G06F3/047

Abstract: The method and device for analyzing position are disclosed. By analyzing sensing information with at least one zero-crossing, each position can be analyzed. The number of analyzed positions may be different from the number of zero-crossings. When the number of analyzed positions is different from the number of zero-crossing, the number of analyzed positions is more than one.

公开(公告)号：US08564564B2

公开(公告)日：2013-10-22

申请号：US13239959

申请日：2011-09-22

Applicant: Chin-Fu Chang ,  Cheng-Han Lee ,  Chi-Hao Tang ,  Shun-Lung Ho

Inventor： Chin-Fu Chang ,  Cheng-Han Lee ,  Chi-Hao Tang ,  Shun-Lung Ho

IPC: G06F3/041

CPC classification number: G01R27/2605 ,  G06F3/03545 ,  G06F3/0416 ,  G06F3/0418 ,  G06F3/044 ,  G06F3/047 ,  G06F2203/04103 ,  G06F2203/04104 ,  G06F2203/04106 ,  G06F2203/04111

Abstract: A method and device for position detection are disclosed. A self-capacitance detection can be performed by a sensing device. According to the result of the self-capacitance detection, a first mutual-capacitance detection can be performed for determining one or more first 1-D positions. According to the result of the first mutual-capacitance detection, a second mutual-capacitance detection can be performed for determining one or more second 1-D positions corresponding to each first 1-D position. One or more 2-D positions can be provided according to the one or more second 1-D positions corresponding to each first 1-D position. Besides, during the self-capacitance detection, the first mutual-capacitance detection, and the second mutual-capacitance detection, a touch related sensing information corresponding to a touch that covers a wide area can be neglected for palm rejection.

公开(公告)号：US08564557B2

公开(公告)日：2013-10-22

申请号：US12901896

申请日：2010-10-11

Applicant: Chin-Fu Chang ,  Cheng-Han Lee ,  Chi-Hao Tang ,  Shun-Lung Ho

Inventor： Chin-Fu Chang ,  Cheng-Han Lee ,  Chi-Hao Tang ,  Shun-Lung Ho

IPC: G06F3/041

CPC classification number: G06F3/044 ,  G01R27/2605 ,  G06F3/03545 ,  G06F3/041 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/0418 ,  G06F3/047 ,  G06F2203/04101 ,  G06F2203/04102 ,  G06F2203/04103 ,  G06F2203/04104 ,  G06F2203/04106 ,  G06F2203/04111

Abstract: A method for parallel-scanning differential touch detection is disclosed herein. The method includes generating a plurality of first outputs by a differential unit according to a plurality of first inputs provided by a plurality of sensors of a touch panel in each scan of total i scans, herein, the kth first output in the jth scan of the total i scans is the (i*(k−1)+j)th output in the continuous first outputs, i≧2, j≧1, k≧1, and i, j, k are natural numbers. Wherein, the differential unit has a plurality of subtractors and the inputs of the subtractors are connected in series. By doing so, the noises between a touch panel and a display can be eliminated.

Abstract translation: 本文公开了并行扫描差分触摸检测的方法。 该方法包括根据在i次扫描的每次扫描中由触摸面板的多个传感器提供的多个第一输入通过差分单元生成多个第一输出，这里是第i次扫描中的第k个第一输出 总i扫描是连续第一输出中的（i *（k-1）+ j）输出，i> = 2，j> = 1，k> = 1，i，j，k是自然数。 其中，差分单元具有多个减法器，并且减法器的输入串联连接。 通过这样做，可以消除触摸面板和显示器之间的噪声。

公开(公告)号：US08537131B2

公开(公告)日：2013-09-17

申请号：US13307554

申请日：2011-11-30

Applicant: Chin-Fu Chang ,  Cheng-Han Lee ,  Chi-Hao Tang ,  Shun-Lung Ho

Inventor： Chin-Fu Chang ,  Cheng-Han Lee ,  Chi-Hao Tang ,  Shun-Lung Ho

IPC: G06F3/041

CPC classification number: G01R27/2605 ,  G06F3/03545 ,  G06F3/0416 ,  G06F3/0418 ,  G06F3/044 ,  G06F3/047 ,  G06F2203/04103 ,  G06F2203/04104 ,  G06F2203/04111

Abstract: The current invention provides a method and a device performing the following steps: obtaining a dual-differential sensing information, detecting each touch related sensing information having two peaks in a pair of zero-crossings in the dual-differential sensing information and converting each touch related sensing information having two peaks in a pair of zero-crossings into original signal values. Each paired zero-crossings are a zero crossing between a negative value followed by a positive value paired with a zero crossing between a positive value followed by a negative value.

Abstract translation: 本发明提供了一种执行以下步骤的方法和装置：获得双差分感测信息，检测双重差分感测信息中的一对过零点中具有两个峰值的每个触摸相关感测信息，并转换每个触摸相关 将在一对过零点中具有两个峰值的感测信息转换成原始信号值。 每个成对的过零点是负值之后是正值之间的零交叉，该正值与正值之后的负值与过零点成对。

公开(公告)号：US08531426B2

公开(公告)日：2013-09-10

申请号：US13569286

申请日：2012-08-08

Applicant: Chin-Fu Chang

Inventor： Chin-Fu Chang

IPC: G06F3/041

CPC classification number: G06F3/044 ,  G06F3/0416 ,  G06F3/0418 ,  G06F2203/04103 ,  G06F2203/04104 ,  G06F2203/04107 ,  G06F2203/04111

Abstract: The present invention provides a mutual capacitive multi-touch screen. The conductive strip pattern allows that, when a touch range of each external conductive object on the mutual capacitive multi-touch screen is larger than a predetermined condition, capacitive coupling between each external conductive object and first conductive strip is greater than capacitive coupling between each external conductive object and second conductive strip, such that the proportion of a driving signal flowing out of the first conductive strip via at least one first external conductive object in the external conductive objects and into the second conductive strip via at least one second external conductive object in the external conductive objects decreases as the number of second external conductive objects increases.

Abstract translation: 本发明提供一种互电容式多点触摸屏。 导电条图案允许当互电容多点触摸屏上的每个外部导电物体的触摸范围大于预定条件时，每个外部导电物体和第一导电条之间的电容耦合大于每个外部导电物体之间的电容耦合 导电物体和第二导电带，使得驱动信号的比例通过外部导电物体中的至少一个第一外部导电物体流出第一导电条，并经由至少一个第二外部导电物体流入第二导电条， 外部导电物体随着第二外部导电物体的数量增加而减小。

公开(公告)号：US20110084929A1

公开(公告)日：2011-04-14

申请号：US12923808

申请日：2010-10-08

Applicant: Chin-Fu Chang ,  Cheng-Han Lee ,  Chi-Hao Tang ,  Shun-Lung Ho

Inventor： Chin-Fu Chang ,  Cheng-Han Lee ,  Chi-Hao Tang ,  Shun-Lung Ho

IPC: G06F3/041

CPC classification number: G01R27/2605 ,  G06F3/03545 ,  G06F3/0416 ,  G06F3/0418 ,  G06F3/044 ,  G06F3/047 ,  G06F2203/04103 ,  G06F2203/04104 ,  G06F2203/04106 ,  G06F2203/04111

Abstract: A method and device for position detection are disclosed. A self-capacitance detection can be performed by a sensing device. According to the result of the self-capacitance detection, a first mutual-capacitance detection can be performed for determining one or more first 1-D positions. According to the result of the first mutual-capacitance detection, a second mutual-capacitance detection can be performed for determining one or more second 1-D positions corresponding to each first 1-D position. One or more 2-D positions can be provided according to the one or more second 1-D positions corresponding to each first 1-D position. Besides, during the self-capacitance detection, the first mutual-capacitance detection, and the second mutual-capacitance detection, a touch related sensing information corresponding to a touch that covers a wide area can be neglected for palm rejection.

Abstract translation: 公开了一种用于位置检测的方法和装置。 可以通过感测装置进行自电容检测。 根据自身电容检测的结果，可以执行第一互电容检测以确定一个或多个第一1-D位置。 根据第一互电容检测的结果，可以执行第二互电容检测，以确定与每个第一1-D位置对应的一个或多个第二1-D位置。 可以根据对应于每个第一1-D位置的一个或多个第二1-D位置来提供一个或多个2-D位置。 此外，在自电容检测期间，第一互容电容检测和第二互电容检测可以忽略与覆盖广泛区域的触摸相对应的触摸相关感测信息用于掌握抑制。

公开(公告)号：US20110084928A1

公开(公告)日：2011-04-14

申请号：US12923807

申请日：2010-10-08

Applicant: Chin-Fu Chang ,  Cheng-Han Lee ,  Chi-Hao Tang ,  Shun-Lung Ho

Inventor： Chin-Fu Chang ,  Cheng-Han Lee ,  Chi-Hao Tang ,  Shun-Lung Ho

IPC: G06F3/041

CPC classification number: G06F3/0418 ,  G01R27/2605 ,  G06F3/03545 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G06F3/047 ,  G06F2203/04103 ,  G06F2203/04104 ,  G06F2203/04111

Abstract: The method and device for analyzing two-dimension sensing information are disclosed. The two-dimension (2-D) sensing information is analyzed for determining touch related sensing information. The touch related sensing information may include touch related sensing information with inner lower values within outer high values and with inner higher values within outer low values.

Abstract translation: 公开了用于分析二维感测信息的方法和装置。 分析二维（2-D）感测信息以确定触摸相关感测信息。 触摸相关感测信息可以包括在外部高值内具有内部较低值的触摸相关感测信息，并且在外部低值内部具有内部较高值。

公开(公告)号：US20110084926A1

公开(公告)日：2011-04-14

申请号：US12923805

申请日：2010-10-08

Applicant: Chin-Fu Chang ,  Cheng-Han Lee ,  Chi-Hao Tang ,  Shun-Lung Ho

Inventor： Chin-Fu Chang ,  Cheng-Han Lee ,  Chi-Hao Tang ,  Shun-Lung Ho

IPC: G06F3/041

CPC classification number: G01R27/2605 ,  G06F3/03545 ,  G06F3/0416 ,  G06F3/0418 ,  G06F3/044 ,  G06F3/047 ,  G06F2203/04103 ,  G06F2203/04104 ,  G06F2203/04111

Abstract: The method and device for converting sensing information are disclosed. Each first touch related sensing information of a first sensing information is detected. At least one of the first touch related sensing information is converted. Each converted first touch related sensing information is replaced by a corresponding second touch related sensing information, whereby the first sensing information is converted into a second sensing information.

Abstract translation: 公开了用于转换感测信息的方法和装置。 检测第一感测信息的每个第一触摸相关感测信息。 第一触摸相关感测信息中的至少一个被转换。 每个转换的第一触摸相关感测信息被相应的第二触摸相关感测信息替换，由此第一感测信息被转换成第二感测信息。

公开(公告)号：US20090166097A1

公开(公告)日：2009-07-02

申请号：US12213495

申请日：2008-06-20

Applicant: Chin-Fu Chang

Inventor： Chin-Fu Chang

IPC: G06F3/041

CPC classification number: G06F3/045 ,  G06F3/044 ,  G06F2203/04113

Abstract: A device for improving the detection accuracy of a touch point on a touch panel and a method thereof are disclosed. The device includes a plurality of first and second X external conducting wires and a plurality of first and second Y external conducting wires that are electrically coupled with the first X side and the second X side of the touch panel and the first Y side and the second Y side of the touch panel to alternatively and respectively receive a first detection signal and a second detection signal from a first detection signal source and a second detection signal source. By using the relation of the currents generated form the first detection signal and the second detection signal, a x coordinate and a y coordinate of the location of the touch point is obtained.

Abstract translation: 公开了一种用于提高触摸面板上的触摸点的检测精度的装置及其方法。 该装置包括多个第一和第二X外部导电线以及与触摸面板的第一X侧和第二X侧以及第一Y侧电连接的多个第一和第二Y外部导电线， Y侧，分别从第一检测信号源和第二检测信号源接收第一检测信号和第二检测信号。 通过使用从第一检测信号产生的电流与第二检测信号的关系，获得触摸点的位置的x坐标和y坐标。