CN101719031A - Scanning method of touch panel - Google Patents
Scanning method of touch panel Download PDFInfo
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- CN101719031A CN101719031A CN200810170205A CN200810170205A CN101719031A CN 101719031 A CN101719031 A CN 101719031A CN 200810170205 A CN200810170205 A CN 200810170205A CN 200810170205 A CN200810170205 A CN 200810170205A CN 101719031 A CN101719031 A CN 101719031A
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Abstract
The invention provides a scanning method of a touch panel which is provided with multiple touch keys arrayed in a matrix. The scanning method comprises the following steps of: A, scanning all the touch keys one by one, and detecting whether the touch keys are touched or not; B, if one touch key is touched, computing the positions of the touch keys positioned on the periphery of the touched key at once through the touched position of the touched key, and demarcating a scanning subarea between the touched touch key and the touch keys positioned on the periphery of the touched key; C, continuously scanning the scanning subarea, when the touched position moves and touches the other touch key positioned in the scanning subarea, the step B and the step C are executed on the basis of the other touch key; and D, when no touch keys are touched, continuously executing the step A. The invention simplifies and shortens the scanning time and accelerates the response by only scanning the touch keys positioned in the scanning subarea.
Description
Technical field
The present invention relates to a kind of scan method of contact panel, particularly a kind of scan method of accelerating the reaction velocity of contact panel.
Background technology
General contact panel is to be arranged on the electronic equipment, with control interface as user and electric room, the structure of contact panel is that arranged goes out a plurality of touch-control keys on a substrate surface, when the user presses wherein a touch-control key with hand or pointer etc., just on this touch-control key, produce instruction to control this electronic equipment running, the principle of its running is to utilize a controller constantly to scan each touch-control key, and it is touched and change capacitance or resistance value in a touch-control key wherein, and when this controller scanned the touch-control key that above-mentioned capacitance or resistance value change, just the operational order with the position representative of this touch-control key was sent on the electronic equipment.
But when the display screen size of present electronic equipment increases gradually, the size of this contact panel also increases gradually, the related number that makes the touch-control key also increases, cause the time that this controller scans all touch-control keys also to increase, for example, described touch-control key is arranged on the substrate in 6 * 8 arranged mode, just have the contact panel of 48 touch-control keys, each touch-control key need scan 4 milliseconds, scanning whole touch-control keys once needs 192 milliseconds, can scan whole touch-control keys 5.208 times p.s., if the touch-control key increases to 120 keys, when just being arranged on the substrate with 12 * 10, run-down needs 480 milliseconds, scans whole touch-control keys 2.083 times p.s. only, and just the reaction velocity of whole contact panel slows down, when increasing again as following display screen size, the reaction velocity of dragging slow contact panel more probably.
Summary of the invention
The object of the present invention is to provide a kind of scan method that the contact panel reaction velocity is accelerated.
In the scan method of this contact panel, described contact panel has the touch-control key of a plurality of arranged, and scan method comprises following steps:
Steps A: scan all touch-control keys one by one, and whether detecting has the touch-control key touched.
Step B: as when wherein a touch-control key is touched, go out its touch-control key position on every side by the touched position calculation of this touch-control key at once, touched touch-control key and touch-control key on every side thereof define the one scan subarea.
Step C: continue this scanning subarea of scanning, when move touched position, and when touching another touch-control key in this scanning subarea, just based on another touch-control key position, execution in step B and step C.
Step D: when the oncontacting control key is touched, continue execution in step A.
The scan method of contact panel of the present invention, in step B, as when one of them touch-control key is touched, go out the touch-control key position of its front, rear, left and right and define this scanning subarea by the touched position calculation of this touch-control key at once, just should form by five touch-control keys in the scanning subarea.
The scan method of contact panel of the present invention in step B, when being positioned at the border as touched touch-control key, defines this scanning subarea by at least three touch-control keys.
The scan method of contact panel of the present invention, when being positioned at preceding border as touched touch-control key, reach thereafter by touched touch-control key at once, a left side, totally four the touch-control keys in the right side defines this scanning subarea, when being positioned at the border, back as touched touch-control key, at once by touched touch-control key and preceding, a left side, totally four the touch-control keys in the right side defines this scanning subarea, when being positioned at left margin as touched touch-control key, at once by touched touch-control key and preceding, after, totally four the touch-control keys in the right side defines this scanning subarea, when being positioned at right margin, at once by touched touch-control key and preceding as touched touch-control key, after, totally four the touch-control keys in a left side defines this scanning subarea.
The scan method of contact panel of the present invention, in step B, when being positioned at corner, left front border as touched touch-control key, reach thereafter by touched touch-control key at once, totally three the touch-control keys in the right side defines this scanning subarea, when being positioned at corner, left back border as touched touch-control key, at once by touched touch-control key and preceding, totally three the touch-control keys in the right side defines this scanning subarea, when being positioned at corner, right front border as touched touch-control key, reach thereafter by touched touch-control key at once, totally three the touch-control keys in a left side defines this scanning subarea, when being positioned at corner, right back border, at once by touched touch-control key and preceding as touched touch-control key, totally three the touch-control keys in a left side defines this scanning subarea.
The scan method of contact panel of the present invention, in step B, as when one of them touch-control key is touched, go out its front, rear, left and right, left front, left back, right front, right back touch-control key position and define this scanning subarea by the touched position calculation of this touch-control key at once, just should form by nine touch-control keys in scanning subarea.
The scan method of contact panel of the present invention, when being positioned at preceding border as touched touch-control key, reach thereafter by touched touch-control key at once, a left side, right, left back, right back totally six touch-control keys define this scanning subarea, when being positioned at the border, back as touched touch-control key, at once by touched touch-control key and preceding, a left side, right, left front, right front totally six touch-control keys define this scanning subarea, when being positioned at left margin as touched touch-control key, at once by touched touch-control key and preceding, after, right, right front, right back totally six touch-control keys define this scanning subarea, when being positioned at right margin, at once by touched touch-control key and preceding as touched touch-control key, after, a left side, left front, left back totally six touch-control keys define this scanning subarea.
The scan method of contact panel of the present invention, in step B, when being positioned at corner, left front border as touched touch-control key, reach thereafter by touched touch-control key at once, right, right back totally four touch-control keys define this scanning subarea, when being positioned at corner, left back border as touched touch-control key, at once by touched touch-control key and preceding, right, right front totally four touch-control keys define this scanning subarea, when being positioned at corner, right front border as touched touch-control key, reach thereafter by touched touch-control key at once, a left side, left back totally four touch-control keys define this scanning subarea, when being positioned at corner, right back border, at once by touched touch-control key and preceding as touched touch-control key, a left side, left front totally four touch-control keys define this scanning subarea.
The scan method of contact panel of the present invention, in step C, scan this scanning subarea one predetermined times after, re-execute steps A, step B and step C.
The beneficial effect of the scan method of contact panel of the present invention is: utilize touched touch-control key to calculate touch-control key position on every side, and set up this scanning subarea, and controller only scans at the touch-control key in the scanning subarea, shortens sweep time, fast reaction speed to simplify.
Description of drawings
Fig. 1 is that first preferred embodiment of the scan method of contact panel of the present invention applies to the front view on the described contact panel;
Fig. 2 is the process flow diagram of this first preferred embodiment;
Fig. 3 is the synoptic diagram in this first preferred embodiment operation, the situation when being positioned at left margin with explanation by the touch-control key of touch-control;
Fig. 4 is the view that is similar to Fig. 3, the situation when being positioned at right margin with explanation by the touch-control key of touch-control;
Fig. 5 is the view that is similar to Fig. 3, the situation when being positioned at preceding border with explanation by the touch-control key of touch-control;
Fig. 6 is the view that is similar to Fig. 3, the situation when being positioned at the border, back with explanation by the touch-control key of touch-control;
Fig. 7 is the view that is similar to Fig. 3, the situation when being positioned at corner, left front border with explanation by the touch-control key of touch-control;
Fig. 8 is the view that is similar to Fig. 3, the situation when being positioned at corner, left back border with explanation by the touch-control key of touch-control;
Fig. 9 is the view that is similar to Fig. 3, the situation when being positioned at corner, right front border with explanation by the touch-control key of touch-control;
Figure 10 is the view that is similar to Fig. 3, the situation when being positioned at corner, right back border with explanation by the touch-control key of touch-control;
Figure 11 is that second preferred embodiment of the scan method of contact panel of the present invention applies to the front view on the described contact panel;
Figure 12 is the synoptic diagram in this second preferred embodiment operation, the situation when being positioned at left margin with explanation by the touch-control key of touch-control;
Figure 13 is the view that is similar to Figure 12, the situation when being positioned at right margin with explanation by the touch-control key of touch-control;
Figure 14 is the view that is similar to Figure 12, the situation when being positioned at preceding border with explanation by the touch-control key of touch-control;
Figure 15 is the view that is similar to Figure 12, the situation when being positioned at the border, back with explanation by the touch-control key of touch-control;
Figure 16 is the view that is similar to Figure 12, the situation when being positioned at corner, left front border with explanation by the touch-control key of touch-control;
Figure 17 is the view that is similar to Figure 12, the situation when being positioned at corner, left back border with explanation by the touch-control key of touch-control;
Figure 18 is the view that is similar to Figure 12, the situation when being positioned at corner, right front border with explanation by the touch-control key of touch-control;
Figure 19 is the view that is similar to Figure 12, the situation when being positioned at corner, right back border with explanation by the touch-control key of touch-control.
Embodiment
The present invention is described in detail below in conjunction with drawings and Examples:
Consult Fig. 1 and Fig. 2, first preferred embodiment of the scan method of contact panel of the present invention is applicable to for the touch-control key 32 on a controller (figure does not show) the scanning contact panel 3, the touch-control key 32 of described contact panel 3 is arranged on the substrate 31 with matrix-style, and scan method comprises following steps:
(A) scan all touch-control keys 32 one by one, and whether detecting there is touch-control key 32 touched.Wherein said controller scans all touch-control keys 32, and whether detecting has touch-control key 32 to change physical quantitys such as the capacitance of touch-control key 32 or resistance value because of external world touching.
(B) as when wherein a touch-control key 32 touched and above-mentioned physical quantitys change, go out its touch-control key 32 positions on every side by these touch-control key 32 touched position calculation at once, touched touch-control key 32 and a plurality of touch-control keys 32 on every side thereof define one scan subarea 33.In the present embodiment, when wherein a touch-control key 32 is touched, at once by these touch-control key 32 touched position calculation go out its front, rear, left and right, left front, left back, right front, right back touch-control key 32 defines this scanning subarea 33, just this scanning subarea 33 is made up of nine touch-control keys 32 basically and is 3 * 3 arranged.
But when being positioned at the border of arranged as touched touch- control key 32,33 in subarea of scanning is defined in the zone in the matrix, for example when following eight kinds of situations, this scanning subarea 33 be define as follows:
(1) is when being positioned at left margin as touched touch-control key 32, defines this scanning subarea 33 by touched touch-control key 32 and forward and backward, right, right front, right back totally six touch-control keys 32 thereof at once as Fig. 3.
(2) be when being positioned at right margin as touched touch-control key 32, define this scanning subarea 33 by touched touch-control key 32 and forward and backward, left, left front, left back totally six touch-control keys 32 thereof at once as Fig. 4.
(3) as touched touch-control key 32 be when being positioned at preceding border as Fig. 5 and thereafter at once by touched touch-control key 32, left and right, left back, right back totally six touch-control keys 32 define this scanning subarea 33.
(4) be when being positioned at the border, back, to define this scanning subarea 33 by touched touch-control key 32 and preceding, left and right, left front, right front totally six touch-control keys 32 thereof at once as touched touch-control key 32 as Fig. 6.
(5) be when being positioned at corner, left front border as touched touch-control key 32, and thereafter at once, right, right back totally four touch-control keys 32 define this scanning subarea 33 by touched touch-control key 32 as Fig. 7.
(6) be when being positioned at corner, left back border as touched touch-control key 32, define this scanning subarea 33 by touched touch-control key 32 and preceding, right, right front totally four touch-control keys 32 thereof at once as Fig. 8.
(7) be when being positioned at corner, right front border as touched touch-control key 32, and thereafter at once, a left side, left back totally four touch-control keys 32 define this scanning subarea 33 by touched touch-control key 32 as Fig. 9.
(8) be when being positioned at corner, right back border as touched touch-control key 32, define this scanning subarea 33 by touched touch-control key 32 and preceding, left, left front totally four touch-control keys 32 thereof at once as Figure 10.
Consult Fig. 1 and Fig. 2, in the present embodiment all touch-control keys 32 that calculate this scanning subarea 33 in the coordinate mode of calculating touch-control key 32, for example touched touch-control key 32 coordinates are (X, Y), the coordinate of the touch-control key 32 in the scanning subarea 33 is respectively as following table: wherein the marking mode of coordinate is the mode as the layout of Fig. 1 institute.
| ??(X-1，Y-1) | ??(X，Y-1) | ??(X+1，Y-1) |
| ??(X-1，Y) | ??(X，Y) | ??(X+1，Y) |
| ??(X-1，Y+1) | ??(X，Y+1) | ??(X+1，Y+1) |
(C) during this touch-control key 32 is continued to press, continue four to nine touch-control keys 32 in this scanning subarea 33 of scanning, every run-down at most only needs 36 milliseconds, therefore when move touched position, and touch another touch-control key 32 in this scanning subarea 33, can be scanned the touch points shift position at once apace, and based on another touch-control key 32 positions, execution in step B and step C set up new scanning subarea, and it is constantly mobile along with touch points just to scan subarea 33.
(D) in step B and C as the object that touches contact panel 3 when leaving, just oncontacting control key 32 is touched, just continues execution in step A, scans all touch-control keys 32, and whether acquisition has touch-control key 32 touched again.
Because most of contact panels 3 are in use, can on contact panel 3, slide with writing words, adjust volume, brightness or pull file, and all be in sliding process to start writing or the touch-control key 32 of finger touches is to slide toward all directions in the center, when scanning whole touch-control key 32 with the scan mode in the general technology, per second only scans 2 to 5 times, when contact panel 3 area size are bigger, scanning times is still less crossed some the touch-control key 32 touched situation about getting instruction that are not scanned in the sliding process that cause slowly because of reaction velocity easily.
Relatively, when scanning the touch points position by scan method of the present invention, set up this scanning subarea 33, certainly will slippage when finger slides an other touch-control key 32 in this scanning subarea 33, and define another new scanning subarea 33 fast, the touch-control key of touching so as to can scan finger (lettering pen) slippage fast in sliding process 32 is obtained the touched instruction of touch-control key 32 fast.Just simplify and shorten sweep time, accelerate the reaction velocity of contact panel 3.
Consult Figure 11, the scan method of second preferred embodiment of the scan method of contact panel of the present invention is roughly identical with first preferred embodiment, its difference is in when wherein a touch-control key 32 is touched, the touch-control key 32 that goes out its front, rear, left and right by these touch-control key 32 touched position calculation defines this scanning subarea 33 at once, just this scanning subarea 33 is cruciform, and is made up of five touch-control keys 32 at most.
When being positioned at matrix boundaries four limits as touched touch-control key 32, exactly shown in Figure 12 to Figure 15 four figure totally four touch-control keys 32 define this scanning subarea 33.When being positioned at matrix boundaries four corners as touched touch-control key 32, exactly shown in Figure 16 to Figure 19 four figure totally three touch-control keys 32 define the scanning subarea 33 of L font.
The scan method of the 3rd preferred embodiment of the scan method of contact panel of the present invention is roughly identical with first preferred embodiment, its difference is in step C, after scanning the certain number of times in this scanning subarea 33, just re-execute steps A, step B and step C, and in step B as by touch point, have when a plurality of, just calculate a plurality of scannings subarea 33, and continue the touch-control key 32 in the described scanning of the scanning subarea 33.The number of times in the described scanning of above-mentioned scanning subarea 33 can be decided according to touch-control key 32 quantity of contact panel 3, be behind the scanning described scanning subarea 33 3 times in the present embodiment, execution in step A, step B and step C more just go back, can detect a plurality of the touching a little on the contact panel 3 whereby, receive a plurality of instruction inputs with scanning simultaneously.
In sum, the scan method of contact panel of the present invention utilizes touched touch-control key 32 to calculate touch-control key 32 positions on every side, and set up this scanning subarea 33, and controller scans at the touch-control key 32 in the scanning subarea 33, shorten sweep time to simplify, fast reaction speed is so can reach purpose of the present invention really.
Claims (9)
1. the scan method of a contact panel, described contact panel has the touch-control key of a plurality of arranged, it is characterized in that scan method comprises following steps:
Steps A: scan all touch-control keys one by one, and whether detecting has the touch-control key touched;
Step B: as when one of them touch-control key is touched, go out its touch-control key position on every side by the touched position calculation of this touch-control key at once, touched touch-control key and touch-control key on every side thereof define a scanning subarea;
Step C: continue this scanning subarea of scanning, when move touched position, and when touching another touch-control key in this scanning subarea, based on another touch-control key position, execution in step B and step C: reach
Step D: when the oncontacting control key is touched, continue execution in step A.
2. the scan method of contact panel according to claim 1, it is characterized in that, in step B, as when one of them touch-control key is touched, go out the touch-control key position of its front, rear, left and right and define this scanning subarea by the touched position calculation of this touch-control key at once, just should form by five touch-control keys in the scanning subarea.
3. the scan method of contact panel according to claim 1 is characterized in that, in step B, when being positioned at the border as touched touch-control key, defines this scanning subarea by at least three touch-control keys.
4. the scan method of contact panel according to claim 3, it is characterized in that, when being positioned at preceding border as touched touch-control key, reach thereafter by touched touch-control key at once, a left side, totally four the touch-control keys in the right side defines this scanning subarea, when being positioned at the border, back as touched touch-control key, at once by touched touch-control key and preceding, a left side, totally four the touch-control keys in the right side defines this scanning subarea, when being positioned at left margin as touched touch-control key, at once by touched touch-control key and preceding, after, totally four the touch-control keys in the right side defines this scanning subarea, when being positioned at right margin, at once by touched touch-control key and preceding as touched touch-control key, after, totally four the touch-control keys in a left side defines this scanning subarea.
5. the scan method of contact panel according to claim 3, it is characterized in that, in step B, when being positioned at corner, left front border as touched touch-control key, reach thereafter by touched touch-control key at once, totally three the touch-control keys in the right side defines this scanning subarea, when being positioned at corner, left back border as touched touch-control key, at once by touched touch-control key and preceding, totally three the touch-control keys in the right side defines this scanning subarea, when being positioned at corner, right front border as touched touch-control key, reach thereafter by touched touch-control key at once, totally three the touch-control keys in a left side defines this scanning subarea, when being positioned at corner, right back border, at once by touched touch-control key and preceding as touched touch-control key, totally three the touch-control keys in a left side defines this scanning subarea.
6. the scan method of contact panel according to claim 1, it is characterized in that, in step B, as when one of them touch-control key is touched, go out its front, rear, left and right, left front, left back, right front, right back touch-control key position and define this scanning subarea by the touched position calculation of this touch-control key at once, just should form by nine touch-control keys in scanning subarea.
7. the scan method of contact panel according to claim 3, it is characterized in that, when being positioned at preceding border as touched touch-control key, reach thereafter by touched touch-control key at once, a left side, right, left back, right back totally six touch-control keys define this scanning subarea, when being positioned at the border, back as touched touch-control key, at once by touched touch-control key and preceding, a left side, right, left front, right front totally six touch-control keys define this scanning subarea, when being positioned at left margin as touched touch-control key, at once by touched touch-control key and preceding, after, right, right front, right back totally six touch-control keys define this scanning subarea, when being positioned at right margin, at once by touched touch-control key and preceding as touched touch-control key, after, a left side, left front, left back totally six touch-control keys define this scanning subarea.
8. the scan method of contact panel according to claim 3, it is characterized in that, in step B, when being positioned at corner, left front border as touched touch-control key, reach thereafter by touched touch-control key at once, right, right back totally four touch-control keys define this scanning subarea, when being positioned at corner, left back border as touched touch-control key, at once by touched touch-control key and preceding, right, right front totally four touch-control keys define this scanning subarea, when being positioned at corner, right front border as touched touch-control key, reach thereafter by touched touch-control key at once, a left side, left back totally four touch-control keys define this scanning subarea, when being positioned at corner, right back border, at once by touched touch-control key and preceding as touched touch-control key, a left side, left front totally four touch-control keys define this scanning subarea.
9. the scan method of contact panel according to claim 1 is characterized in that, in step C, scan this scanning subarea one predetermined times after, re-execute steps A, step B and step C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810170205A CN101719031A (en) | 2008-10-09 | 2008-10-09 | Scanning method of touch panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810170205A CN101719031A (en) | 2008-10-09 | 2008-10-09 | Scanning method of touch panel |
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| CN101719031A true CN101719031A (en) | 2010-06-02 |
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| CN200810170205A Pending CN101719031A (en) | 2008-10-09 | 2008-10-09 | Scanning method of touch panel |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102467288A (en) * | 2010-11-04 | 2012-05-23 | 瑞鼎科技股份有限公司 | Multi-point touch detection method applied to touch panel and related detection device |
| CN102750038A (en) * | 2012-06-29 | 2012-10-24 | 苏州瀚瑞微电子有限公司 | Scanning method of touch control chip |
| CN103713780A (en) * | 2012-09-29 | 2014-04-09 | 联想(北京)有限公司 | Method for processing information and electronic equipment |
| CN104702259A (en) * | 2013-12-04 | 2015-06-10 | 义隆电子股份有限公司 | Touch device and touch method thereof |
| CN107168596A (en) * | 2017-07-25 | 2017-09-15 | 业成科技（成都）有限公司 | The scan method and capacitive touch screen of capacitive touch screen |
| CN110070000A (en) * | 2019-03-27 | 2019-07-30 | 武汉华星光电技术有限公司 | Fingerprint identification method and mobile terminal |
| CN111354291A (en) * | 2020-02-21 | 2020-06-30 | 北京京东方传感技术有限公司 | Grid driving module, grid driving method and optical fingerprint identification device |
| CN111857396A (en) * | 2019-04-30 | 2020-10-30 | 北京小米移动软件有限公司 | Signal scanning method, device, terminal and storage medium |
| US10984215B2 (en) | 2019-03-27 | 2021-04-20 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Method of recognizing fingerprint and mobile terminal |
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2008
- 2008-10-09 CN CN200810170205A patent/CN101719031A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102467288A (en) * | 2010-11-04 | 2012-05-23 | 瑞鼎科技股份有限公司 | Multi-point touch detection method applied to touch panel and related detection device |
| CN102750038A (en) * | 2012-06-29 | 2012-10-24 | 苏州瀚瑞微电子有限公司 | Scanning method of touch control chip |
| CN103713780A (en) * | 2012-09-29 | 2014-04-09 | 联想(北京)有限公司 | Method for processing information and electronic equipment |
| CN103713780B (en) * | 2012-09-29 | 2017-12-26 | 联想(北京)有限公司 | The method and electronic equipment of a kind of information processing |
| CN104702259A (en) * | 2013-12-04 | 2015-06-10 | 义隆电子股份有限公司 | Touch device and touch method thereof |
| CN107168596A (en) * | 2017-07-25 | 2017-09-15 | 业成科技（成都）有限公司 | The scan method and capacitive touch screen of capacitive touch screen |
| CN107168596B (en) * | 2017-07-25 | 2020-09-22 | 业成科技（成都）有限公司 | Scanning method of capacitive touch screen and capacitive touch screen |
| CN110070000A (en) * | 2019-03-27 | 2019-07-30 | 武汉华星光电技术有限公司 | Fingerprint identification method and mobile terminal |
| US10984215B2 (en) | 2019-03-27 | 2021-04-20 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Method of recognizing fingerprint and mobile terminal |
| CN111857396A (en) * | 2019-04-30 | 2020-10-30 | 北京小米移动软件有限公司 | Signal scanning method, device, terminal and storage medium |
| CN111354291A (en) * | 2020-02-21 | 2020-06-30 | 北京京东方传感技术有限公司 | Grid driving module, grid driving method and optical fingerprint identification device |
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