CN102306063B - Signal chip and touch input device with built-in signal chip - Google Patents
Signal chip and touch input device with built-in signal chip Download PDFInfo
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- CN102306063B CN102306063B CN201110282173.3A CN201110282173A CN102306063B CN 102306063 B CN102306063 B CN 102306063B CN 201110282173 A CN201110282173 A CN 201110282173A CN 102306063 B CN102306063 B CN 102306063B
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Abstract
The invention discloses a signal chip and a touch input device with a built-in signal chip. The signal chip (2) comprises sheet anodes (201 and 201'), insulating layers (203 and 203') and cathodes (202 and 202'), wherein the anodes have first width (L1) in horizontal direction; one longitudinal side edges of the anodes (201 and 201') are raised to form the insulating layers (203 and 203') which have second width (L2); one longitudinal sides of the insulating layers (203 and 203') are connected with edges of the anodes (201 and 201') and the other sides of the insulating layers (203 and 203') are connected with the cathodes (202 and 202') which have third width (L3); and the first width of the anodes (201 and 201') is more than the second width of the insulating layers (203 and 203') and the third width of the cathodes (202 and 202'). Thus, the area of the signal chip is reduced, the positioning dead zones are decreased, and the touch accuracy is improved.
Description
Technical field
The present invention relates to touch-control input device, relate in particular to a kind of touch-control input device of signal patch and built-in this signal patch for touch-control input device.
Background technology
Along with the fast development of electronic message unit, people are no longer confined to the operation of button alternately to the input of electronic message unit, more and more require directly to click and carry out alternately on panel.At present, in order to realize the coordinate input of clicking the contacts such as hand, pen, prior art is mainly by (one side that the contact such as finger, pen directly contacts) signalization sheet contactor control device on the surface of contact of panel, thereby man-machine interaction is directly carried out in realization on panel.
Existing signal patch is divided by diameter, has 4mm, 6mm, 9mm etc.A kind of concrete structure of existing signal patch as shown in Figure 1.This signal patch comprises the positive pole 101 of sheet, the insulation course 103 from the extension direction of anodal 101 lamellar bodies around anodal 101 1 weeks, from the extension direction of anodal 101 lamellar bodies around the insulation course negative pole of a week 102, be fitted in the reinforced sheet 104 lamellar body that anodal 101, insulation course 103 and negative pole 102 form altogether from the direction of the plane of flattening perpendicular to anodal 101 lamellar bodies.Described signal patch is connected with the input end of described control module separately, and the electric signal that produced is separately sent to control module; The positive pole 101 of described signal patch connects signal wire, and negative pole 102 connects ground wire.The negative pole 102 of signal patch and insulation course 103 do not have sensing and press the effect of action.In addition, if the touch-control media such as finger, pen are clicked on position corresponding with signal patch on panel just, because the signal in signal patch is stronger than other positions, processor result of calculation is difficult to the concrete click location in location, and therefore the position at signal patch place is called as location blind spot.
As shown in Figure 1, in existing signal patch, negative pole and insulation course occupy very large area, are unfavorable for more high-precision location.The for example signal patch of diameter 6mm, add the insulation course 103 of width 0.5mm and the negative pole 102 of width 1mm, the diameter of so whole signal patch directly becomes 9mm, wherein, the area of insulation course 103 accounts for 16% of the signal patch total area, and negative pole 102 areas account for 39.5% of the signal patch total area.
Existing signal patch is except positioning precision is not high enough, also more at the pad at the signal patch back side, and the signal patch back side of structure shown in Fig. 1 is provided with 5 pads, middle one for anodal 101 with being connected of signal wire, around 4 being connected for negative pole 102 and ground wire.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of insulation course and negative pole area of reducing to improve the signal patch of touch-control precision and the touch-control input device of built-in this signal patch.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of signal patch, comprising: the positive pole of sheet, and it has the first horizontal width; From the edge of the longitudinal side of positive pole, protrude and be formed with insulation course, it has the second width, and the longitudinal side of insulation course connects anodal edge, and an other side is connected with negative pole, and negative pole has the 3rd width.Wherein, the first anodal width is greater than the second width of insulation course and the 3rd width of negative pole.
For above-mentioned signal patch, the 3rd width of negative pole is 1:10 to 1:2 with the ratio of the first width of positive pole.
Above-mentioned signal patch also comprises the reinforced sheet being fitted on the common lamellar body back side forming of positive pole, negative pole and insulation course.
For above-mentioned signal patch, the positive pole of signal patch is rectangle or foursquare lamellar body.
For above-mentioned signal patch, the positive pole of signal patch is circular or oval-shaped lamellar body.
For above-mentioned signal patch, signal patch is the tablet with pressure-sensitive capacitance characteristic, according to the difference of pressure, has different capacitances.
A touch-control input device for built-in signal sheet, comprising: panel, be arranged at least four above-mentioned signal patch on the surface of contact back side of panel and the control module being connected respectively with each signal patch by signal wire.In at least four signal patch, at least two signal patch arrangement in a rows and at least two signal patch arrangements in column.
For above-mentioned touch-control input device, at least four pressure that signal patch produces when clicking the surface of contact of panel for responding to respectively touch-control medium, and the electric signal corresponding with described pressure that produced separately sent to control module.
For above-mentioned touch-control input device, control module is for determining the coordinate of described contact according to the electric signal from each signal patch receiving.
Compared with prior art, the main advantage of technical solution of the present invention is as follows:
When realizing coordinate that signal patch clicks on panel touch-control media such as finger, pens and carrying out detection effect, reduce and do not have the insulation course of sensing effect and the area of negative pole, reduced on the whole the area of signal patch, increased again the actual induction area of signal patch, relative decrease blind area, location, improved touch-control precision.When signal patch is used on the border of contact panel, also contribute to reduce the error on border, thereby improve positioning precision.
Accompanying drawing explanation
Figure 1A and 1B are the structural representation of existing signal patch;
Fig. 2 A and 2B are the structural representation of an embodiment of signal patch of the present invention;
Fig. 3 A and 3B are the structural representation of another embodiment of signal patch of the present invention;
Fig. 4 is the structural representation of the touch-control input device of built-in signal sheet of the present invention;
Fig. 5 is the control module implementing circuit schematic diagram being connected with signal patch in the touch-control input device of built-in signal sheet of the present invention.
Description of reference numerals:
101,201,201 ' positive pole
102,202,202 ' negative pole
103,203,203 ' insulation course
104,204,204 ' reinforced sheet
1 panel
2 signal patch
3 control modules
4 touch-control media
301 single-chip microcomputers
302 A/D change-over circuits
303 multi-channel switch
304 level shifting circuits
Embodiment
The concrete structure of an embodiment of signal patch of the present invention as shown in Figure 2 A.The positive pole 201 of signal patch is plates, and anodal 201 have the first horizontal width L1.From a side edge of anodal 201, be protruding with insulation course 203, insulation course 203 has the second width L2.With the direction in Fig. 2 A, be as the criterion, the longitudinal side of insulation course 203 connects anodal 201 edge, and an other side connects negative pole 202, and the 3rd width of negative pole 202 is L3.Anodal 201 width L1 is much larger than the width L2 of insulation course, and the width L2 of insulation course and negative pole width L3 approach or be roughly equal.Width L3:L1 is preferably 1:10～1:2.
According to the first embodiment shown in Fig. 2 A, anodal 201 is rectangular shape, and the best is square.Also the second embodiment that can be as shown in Figure 3A, anodal 201 ' be circle or oval.
As shown in Figure 2 B, at the overall back side of positive pole 201, insulation course 203, negative pole 202, be fitted with reinforced sheet 204.Similarly, as shown in Figure 3 B, at the overall back side of positive pole 201 ', insulation course 203 ', negative pole 202 ', be fitted with reinforced sheet 204 '.
Compared with existing signal patch, the signal patch of above-mentioned two embodiment, the ratio that the area of negative pole and the area of insulation course account for the signal patch total area all reduces greatly, and the pad at the signal patch back side can accomplish to only have 2, being connected for anodal and signal wire, another is connected for negative pole and ground wire, can be also more than 2.Certainly, signal patch of the present invention is not limited to several shape layouts that above-described embodiment provides, and can also need to adopt other shape layouts more easily according to difference.
Signal patch of the present invention is the tablet with pressure-sensitive capacitance characteristic, according to the difference of pressure, has different capacitances.Signal patch can also have acoustic-electric or electroacoustic property, with this, reaches positioning requirements and touch-control experience.Because signal patch is actually the sensing effect of playing, can also be called sensor.
Fig. 4 illustrates an embodiment of the touch-control input device of built-in signal sheet of the present invention, comprises panel 1, is arranged at least four signal patch 2 on the surface of contact back side of panel 1 and the control module 3 being connected respectively with each signal patch 2 by signal wire.In at least four signal patch 2, at least two signal patch 2 arrangement in a rows and at least two signal patch 2 arrangements in column, the positive pole of each signal patch 2 is connected with the input end of control module 3 by signal wire, and negative pole connects ground wire.The pressure that these signal patch 2 produce when clicking the surface of contact of panel 1 for each self-induction touch-control medium 4, and the electric signal corresponding with described pressure that produced separately sent to control module 3.
During concrete application, control module 3 can adopt circuit implementation as shown in Figure 5, and control module 3 comprises connected successively single-chip microcomputer 301, A/D change-over circuit 302, multi-channel switch 303, level shifting circuit 304.
When the coordinate of clicking on panel 1 for touch-control media such as finger, pens detects, at least four signal patch 2 send to control module 3 by the electric signal that produced separately, control module 3 is for determining the coordinate of described contact according to the electric signal from each signal patch 2 receiving, conventionally adopt asymptotic algorithm, find gradually the signal patch that electric signal is the strongest, take the coordinate of this signal patch 2 as reference point, determine the coordinate of contact.
Visible, the present invention has changed the process structure of signal patch, on the basis of existing signal patch, insulation course and negative pole is pulled out to occupy less area, like this, the diameter of signal patch has reduced, and locates blind area and has reduced, and the probability that the touch-control media such as finger, pen click in signal patch has also reduced.When using on the border of contact panel, the error on border has also reduced, thereby has improved positioning precision.
Claims (9)
1. a signal patch, is characterized in that, this signal patch (2) comprising: the positive pole (201,201 ') of sheet, and it has horizontal the first width (L1); From anodal (201,201 ') edge of a longitudinal side protrudes and is formed with insulation course (203,203 '), it has the second width (L2), insulation course (203,203 ') a longitudinal side connects the edge of anodal (201,201 '), and an other side is connected with negative pole (202,202 '), negative pole (202,202 ') has the 3rd width (L3), wherein, anodal (201,201 ') the first width is greater than the second width of insulation course (203,203 ') and the 3rd width of negative pole (202,202 ').
2. signal patch as claimed in claim 1, is characterized in that, the 3rd width (L3) of negative pole (202,202 ') is 1:10 to 1:2 with the ratio of first width (L1) of anodal (201,201 ').
3. signal patch as claimed in claim 1, is characterized in that, signal patch (2) also comprises and is fitted in positive pole (201,201 '), negative pole (202,202 ') reinforced sheet (204,204 ') and on the common lamellar body back side forming of insulation course (203,203 ').
4. signal patch as claimed in claim 1, is characterized in that, the positive pole (201,201 ') of signal patch (2) is rectangle or foursquare lamellar body.
5. signal patch as claimed in claim 1, is characterized in that, the positive pole (201,201 ') of signal patch (2) is circular or oval-shaped lamellar body.
6. signal patch as claimed in claim 1, is characterized in that, signal patch (2) is the tablet with pressure-sensitive capacitance characteristic, according to the difference of pressure, has different capacitances.
7. the touch-control input device of a built-in signal sheet, it is characterized in that, this touch-control input device comprises: panel (1), be arranged in signal patch (2) as described in above-mentioned arbitrary claim of on the surface of contact back side of panel (1) at least four and the control module (3) being connected respectively with each signal patch (2) by signal wire, in at least four signal patch (2), at least two signal patch (2) arrangement in a rows and at least two signal patch (2) arrangement in column.
8. touch-control input device as claimed in claim 7, it is characterized in that, the pressure that at least four signal patch (2) produce when clicking the surface of contact of panel (1) for responding to respectively touch-control medium (4), and the electric signal corresponding with described pressure that produced separately sent to control module (3).
9. touch-control input device as claimed in claim 8, is characterized in that, control module (3) is for determining the coordinate of the position of described touch-control medium (4) click according to the electric signal from each signal patch (2) receiving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110282173.3A CN102306063B (en) | 2011-09-21 | 2011-09-21 | Signal chip and touch input device with built-in signal chip |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110282173.3A CN102306063B (en) | 2011-09-21 | 2011-09-21 | Signal chip and touch input device with built-in signal chip |
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| CN102306063A CN102306063A (en) | 2012-01-04 |
| CN102306063B true CN102306063B (en) | 2014-04-16 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2521656Y (en) * | 2001-11-05 | 2002-11-20 | 精元电脑股份有限公司 | Thin-light transmission keyboard |
| CN2603493Y (en) * | 2003-02-21 | 2004-02-11 | 东莞大洋硅胶制品有限公司 | Press-button |
| CN200990630Y (en) * | 2006-12-14 | 2007-12-12 | 纬创资通股份有限公司 | Electronic device and sheet thin film thereof |
| JP2008293922A (en) * | 2007-05-28 | 2008-12-04 | Oki Electric Ind Co Ltd | Key switch structure and keyboard device |
-
2011
- 2011-09-21 CN CN201110282173.3A patent/CN102306063B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2521656Y (en) * | 2001-11-05 | 2002-11-20 | 精元电脑股份有限公司 | Thin-light transmission keyboard |
| CN2603493Y (en) * | 2003-02-21 | 2004-02-11 | 东莞大洋硅胶制品有限公司 | Press-button |
| CN200990630Y (en) * | 2006-12-14 | 2007-12-12 | 纬创资通股份有限公司 | Electronic device and sheet thin film thereof |
| JP2008293922A (en) * | 2007-05-28 | 2008-12-04 | Oki Electric Ind Co Ltd | Key switch structure and keyboard device |
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| CN102306063A (en) | 2012-01-04 |
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Effective date of registration: 20161128 Address after: 100193 Beijing, Haidian District, northeast Wang West Road, building 3, floor 363, room 5, room 8 Patentee after: BEIJING HANVON PENGTAI TECHNOLOGY CO., LTD. Address before: 100193 Beijing, Haidian District, northeast Wang West Road, building 3, floor 5, layer 8 Patentee before: Hanwang Tech Co., Ltd. |
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Address after: 100193 363, 3 floor, 5 building, 8 Northeast Road, Haidian District, Beijing. Patentee after: Beijing Hanvon Peng Thai Polytron Technologies Inc Address before: 100193 363, 3 floor, 5 building, 8 Northeast Road, Haidian District, Beijing. Patentee before: BEIJING HANVON PENGTAI TECHNOLOGY CO., LTD. |