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Data acquisition method and device for multi-contact matrix touch sensor

一种触摸传感器、数据采集的技术，应用在电数字数据处理、数据处理的输入/输出过程、仪器等方向，能够解决时间长等问题

Active Publication Date: 2017-03-29
NISSHA PRINTING COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] If the stored matrix image is complex, the step of analyzing the stored data takes longer

Method used

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  • Data acquisition method and device for multi-contact matrix touch sensor
  • Data acquisition method and device for multi-contact matrix touch sensor
  • Data acquisition method and device for multi-contact matrix touch sensor

Examples

Experimental program
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Embodiment Construction

[0065] First refer to figure 1 The touch screen 10 according to the embodiment of the present invention is described.

[0066] The touch screen 10 includes a multi-touch matrix touch sensor 11 juxtaposed with a display screen 12 .

[0067] In this embodiment, in a non-limiting manner, a multi-contact matrix touch sensor 11 is placed above the display screen 12 .

[0068] In particular, under these conditions, this touch sensor 11 must be transparent in order to be able to visualize the data displayed on the display screen 12 below.

[0069] The touch screen 10 also includes a capture interface 13 , a main processor 14 and a graphics processor 15 .

[0070] Capture interface 13 is especially capable of capturing data measured at multi-touch touch sensor 11 .

[0071] The capture interface 13 includes a collection circuit and an analysis circuit required for collecting data, and the data can then be sent to the main processor 14 for processing, and then realize different func...

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PUM

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Abstract

The present invention relates to a data collection method of a multi-contact matrix touch sensor, the sensor includes a matrix network of units, the method comprises the following steps: sequentially scanning (S32-S37, S41, S42) the units of the matrix network; measuring ( S38) electrical characteristic at each unit place, described electrical characteristic represents the weight (IRC) of each unit; Said weight (IRC) is compared with predetermined one or more effective values ​​(S39); When said weight When within the interval of valid values, record (S43) the data associated with the unit; check (S44) the existence of data records associated with at least one adjacent unit; and if at least Data associated with an adjacent cell has already been recorded, then the existing envelope is updated (S45) by recording the data associated with the cell in the existing envelope. The invention can be used especially in touch screens.

Description

technical field [0001] The invention relates to a data acquisition method of a multi-contact matrix touch sensor. [0002] The present invention also relates to such a multi-contact matrix touch sensor and a touch screen, and the touch screen includes a juxtaposed display screen and a multi-contact matrix touch sensor. [0003] In general, the present invention relates to the acquisition of data representative of one or more points of touch or pressure applied on a touch sensor surface. Background technique [0004] A matrix sensor consists of a set of cells arranged in rows and columns. In a more integrated operation of the sensor, the cells are scanned sequentially, measuring the presence of a point of touch or pressure. [0005] Such multi-contact touch sensors and their analysis methods are described, for example, in documents EP 1 719 047 or EP 2 142 980 . [0006] In document EP 2 142 980, the unit is composed of a material that acts as a diode. [0007] Likewise, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/041G06F3/044G06F3/0488
CPCG06F3/0488G06F2203/04808G06F3/045G06F3/04166G06F3/0446G06F3/0412G06F3/0416G06F3/044
Inventor 朱利安·奥利维耶
Owner NISSHA PRINTING COMPANY
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