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Hierarchical sensing method

A hierarchical, value-sensing technology, applied in instrumentation, computing, electrical and digital data processing, etc., can solve problems such as wasting too much time and not touching fast enough.

Inactive Publication Date: 2013-05-08
SILICON INTEGRATED SYSTEMS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing sensing method, all the points 101 of the touch panel 10 are scanned and sensed, and whether each point 101 is touched is checked to confirm the shadow point 105 (ie, the touch point). However, scanning unnecessary points is wasteful. Excessive time, so the touch panel 10 does not respond quickly enough to one or more touches

Method used

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Embodiment Construction

[0025] The following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the present invention can be practiced.

[0026] In order to speed up the sensing speed, the present invention proposes a hierarchical sensing method for a touch panel. The hierarchical sensing method of the present invention includes two stages, which will be described in detail later. figure 2 It shows a touch panel 20, which includes points 201 arranged in a matrix for detecting one or more touches. All points 201 of the touch panel 20 are divided into several blocks 12, and each block 12 includes several Point 201. In this embodiment, each block 12 includes 4×3 grid points 201 (i.e. 12 points 201), and several points 201 are selected as designated points in each block 12. As shown in the figure, each block 12 includes three designated points. Point, for the convenience of description, the three specified points are marked as 1, 2, 3 ...

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PUM

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Abstract

A hierarchical sensing method is disclosed. The touch panel has a matrix of points for detecting a touch or touches. The method includes dividing the points into a plurality of blocks, each block comprising a plurality of points; selecting several points in each one of the blocks as designated points; sensing first data from each one of the designated points; determining a set of possible touched points according to the first data sensed from each one of the designated points; sensing second data from the set of possible touched points; and determining if each one of the possible touched points is an actual touched point according to the second data sensed from said one possible touched point. By using the present invention method, a faster sensing speed and a greater sensing accuracy can be achieved.

Description

【Technical field】 [0001] The present invention relates to touch sensing technology, in particular to a method for sensing one or more touches on a touch sensing device. 【Background technique】 [0002] Nowadays, touch sensing devices are widely used in various applications, and among these applications, touch screens with touch panels are popular. [0003] Sensing speed is extremely important in the performance of the touch panel, figure 1 It shows the touch panel 10 scanned by a conventional method. The touch panel 10 includes a plurality of dots 101 arranged in a matrix, and each dot 101 is used to sense a touch. The structure of the touch panel 10 is well known in the art. In addition, the structure of the touch panel 10 is not The focus or main problem of the present invention, therefore, the structure of the touch panel 10 will not be repeated here. [0004] like figure 1 As shown, the dotted circle 50 represents a touch range, and the shaded point 105 is a point rel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/041
CPCG06F3/0416G06F3/044G06F3/041G06F3/0446G06F3/04166
Inventor 侯政宇郭锦华
Owner SILICON INTEGRATED SYSTEMS