CN204155221U - A kind of capacitance touching control formula TrackPoint - Google Patents
A kind of capacitance touching control formula TrackPoint Download PDFInfo
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- CN204155221U CN204155221U CN201420455958.5U CN201420455958U CN204155221U CN 204155221 U CN204155221 U CN 204155221U CN 201420455958 U CN201420455958 U CN 201420455958U CN 204155221 U CN204155221 U CN 204155221U
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- trackpoint
- capacitance touching
- touching control
- induction
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Abstract
The utility model discloses a kind of capacitance touching control formula TrackPoint, it comprises multilayer board and touch-control IC; It taps the Distance geometry direction of central point relative to induction region central point by calculating finger, determine movement velocity and the direction of cursor, capacitance touching control formula TrackPoint is arranged on the upper cover lower surface at button group edge, or be arranged among button, its upper surface is provided with the induction region of square or sub-circular, the width of induction region is 5 ~ 20mm, and is provided with 10 ~ 30 symmetrical the first induction electrodes of coordinating with touch-control IC and the second induction electrode; Be provided with plastic housing above induction region, on plastic housing, the positive upper surface of corresponding induction region has mark or the shallow slot of square or circle.The utility model adopts touch control manner to replace the pressure-sensing mode of traditional TrackPoint, and operate quite laborsaving, reaction velocity also improves greatly; In addition, its part is less, and structure is simple, and production cost is lower.
Description
Technical field:
The utility model relates to touch pad technology field, especially relates to a kind of capacitance touching control formula TrackPoint.
Background technology:
Many panel computers can arrange in pairs or groups keypad to facilitate typewriting, but because user's still mouse accustomed to using, especially need accurately click during typewriting, touch-control is dull and stereotyped inconvenient because precision is not enough, and the slight keyboard of therefore some panel computer collocation can be with Trackpad; But because the design space of many machines is not enough, the general length of device cannot be greater than the finger sliding formula Trackpad of 30mm, therefore someone designs circular touch plate, such as US Patent No. 004736191, it is made up of many sector electrodes, but its mode of operation must be slided outward from central point, all must have contact electrode in process, electrode diameter cannot be contracted very little, and the operation must slided outward from central point is very inconvenient.In addition, also have a kind of design as CN200680079553, very little touch-control pcb board is arranged on below keycap, but still take general finger sliding mode to move cursor, and too little PCB sliding distance is limited, must slides and repeatedly just can complete an action, very inconvenient.
In addition, some machine uses TrackPoint (being commonly called as small red cap), but the traditional shortcoming of small red cap promotes by larger strength, uses still inconvenient, therefore is necessary to find in addition more laborsaving, and reaction designs faster.In fact TrackPoint is a kind of operation of rocking bar form, and traditional resistive joystick also can reach identical operating mouse function; But traditional resistive joystick volume is too huge and the life-span is short; Also user can be played games to have the software of touch pad or capacitive screen of mobile phone to increase the function of joystick, if can the volume-diminished of this touch joystick, then desirable generation TrackPoint.
Utility model content:
The purpose of this utility model is just the weak point that exists for prior art and provides a kind of new capacitance touching control formula TrackPoint, structure is simple, rapid operation, reaction velocity are fast feature that it has.
For achieving the above object, a kind of capacitance touching control formula TrackPoint of the present utility model, comprises multilayer board and touch-control IC; It taps the Distance geometry direction of central point relative to induction region central point by calculating finger, determine movement velocity and the direction of cursor, wherein, capacitance touching control formula TrackPoint is arranged on the upper cover lower surface at button group edge, or be arranged among button, its upper surface is provided with the induction region of square or sub-circular, and the width of induction region is 5 ~ 20mm, and is provided with 10 ~ 30 symmetrical the first induction electrodes of coordinating with touch-control IC and the second induction electrode; Be provided with plastic housing above induction region, on plastic housing, the positive upper surface of corresponding induction region has mark or the shallow slot of square or circle.
Preferred as technique scheme, described capacitance touching control formula TrackPoint is attached to the lower surface of a certain button.
Preferred as technique scheme, described capacitance touching control formula TrackPoint is arranged on the gap in keyboard between certain three button.
Preferred as technique scheme, described capacitance touching control formula TrackPoint is arranged on the lower surface of the upper cover casing at keyboard group edge.
Preferred as technique scheme, described induction region and touch-control IC are arranged at the upper and lower surface of multilayer board respectively, and the first induction electrode is the upper surface copper foil of multilayer board.
Preferred as technique scheme, described induction region is provided with a sensing chip, sensing chip is soft or rigid printed circuit board, also can be soft ito thin film or ito glass, second induction electrode is Copper Foil or tin indium oxide ITO, and sensing chip is connected to the multilayer board being provided with touch-control IC by circuit or connector.
Preferred as technique scheme, the first described induction electrode and the second induction electrode are that X electrode and Y electrode vertical arrange dot matrix type.
Preferred as technique scheme, the first described induction electrode and the second induction electrode are the caterpillar shape of one side touch-control or leg-of-mutton XY dot matrix type electrode.
Preferred as technique scheme, the first described induction electrode and the second induction electrode are one side shape, are connected to the capacitance touching control IC on surface from four end points.
The beneficial effects of the utility model are: it adopts touch control manner to replace the pressure of traditional TrackPoint
Sensing mode, operate quite laborsaving, reaction velocity also improves greatly; In addition, its part is less, and structure is simple, and production cost is lower.In addition, area, because of mode of operation difference, can contract very little by the utility model, and during operation, finger does not need repeatedly to slide, and it is very convenient to operate.Moreover, on plastic housing, the positive upper surface of corresponding induction region has mark or the shallow slot of square or circle, even has the center dot of the third color, user can judge easily central point with by tactile position, then with general TrackPoint by comparison, the position that can install comparatively has selectivity.
Accompanying drawing illustrates:
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the structural representation of the utility model embodiment two;
Fig. 3 is the structural representation of the utility model embodiment three;
Fig. 4 is the structural representation of the utility model embodiment four.
Embodiment:
As shown in Figure 1: capacitance touching control formula TrackPoint of the present utility model is attached to the lower surface of a certain button 60 in keyboard, such as microscler space bar has enough length to settle elongated shape circuit board; Capacitance touching control formula TrackPoint is made up of multilayer board 10 and (also known as mutual capacitance type) touch-control IC20, and the upper surface of multilayer board 10 is provided with the induction region of width 5 ~ 20mm; Induction region is square or close to circular, is provided with 10 ~ 20 induction electrodes 11 coordinated with touch-control IC that to distribute in XY dot matrix in it; The shape of XY dot matrix type induction electrode designs according to the demand of touch-control IC, and the X electrode that such as general Trackpad is conventional and Y electrode vertical arrange; Also can be the caterpillar shape of one side touch-control.
Also can be individual layer, make touch-control IC20 can calculate finger and tap the Distance geometry direction of central point relative to induction region central point, determine movement velocity and the direction of cursor according to this.
Space button 60, because of longer, differentiates the center of touch TrackPoint for convenience of user, corresponding to the surperficial mark with square or circle directly over induction region,
Adopt in FIG and print the ink 61 of different colours as mark at keytop.
In embodiment two shown in Fig. 2, printed circuit board (PCB) 10 is reduced to very little, makes touch-control IC20 be arranged on the lower surface relative with golden finger 11, and this can be realized by the number of plies increasing multilayer board 10.
In addition, printed circuit board (PCB) 10 is arranged at the lower surface of upper cover 40 casing at keyboard group 60 edge.Differentiate the center of touch TrackPoint for convenience of user, upper cover 40 casing has the perforate 41 of square or sub-circular corresponding to the position directly over induction region; In addition, induction region surface is pasted with very thin plastic sheet 50, so forms square or circular shallow slot.The diameter of perforate 41 is a bit larger tham the diameter of induction region 30, makes to point the outward flange that can touch induction region 30.The color that the color of plastic sheet 50 can differ from upper cover 40 casing even has the center dot of the third color, makes it easily to find and judge to tap position.
In the embodiment shown in Fig. 1 and Fig. 2, induction region and touch-control IC20 are arranged at the upper and lower surface of multilayer board 10 respectively, and the first induction electrode 11 is the upper surface copper foil of multilayer board 10.
And in the embodiment three shown in Fig. 3, induction region arranges a sensing chip 12, sensing chip 12 is soft or rigid printed circuit board, also can be soft ito thin film or ito glass, and the second induction electrode 121 is Copper Foil or tin indium oxide ITO.Sensing chip 12 is connected to the multilayer board 10 being provided with touch-control IC20 by circuit 122.And the sensing chip 12 of Fig. 3 is upward, also can with the material difference of sensing chip 12 downward.
Have support 80 below sensing chip 12, a round plastic cover 90 in outer cover, and be arranged between button 60, plastic jacket 90 uses the plastics with button 60 different colours.
The embodiment four shown in Fig. 4 and embodiment three unlike: be provided with connector 70 below sensing chip 12, connector 70 has stitch 71, and the multilayer board 10 that stitch 71 and below are provided with touch-control IC20 welds.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (9)
1. a capacitance touching control formula TrackPoint, comprises multilayer board (10) and touch-control IC (20); It taps the Distance geometry direction of central point relative to induction region central point by calculating finger, determine movement velocity and the direction of cursor, it is characterized in that: capacitance touching control formula TrackPoint is arranged on upper cover (40) lower surface at button (60) group edge, or be arranged among button (60), its upper surface is provided with the induction region of square or sub-circular, the width of induction region is 5 ~ 20mm, and is provided with 10 ~ 30 symmetrical the first induction electrodes (11) of coordinating with touch-control IC and the second induction electrode (121); Induction region (30) top is provided with plastic housing, and on plastic housing, the positive upper surface of corresponding induction region has mark or the shallow slot of square or circle.
2. capacitance touching control formula TrackPoint according to claim 1, is characterized in that: described capacitance touching control formula TrackPoint is attached to the lower surface of a certain button (60).
3. capacitance touching control formula TrackPoint according to claim 1, is characterized in that: described capacitance touching control formula TrackPoint is arranged on the gap in keyboard between certain three button (60).
4. capacitance touching control formula TrackPoint according to claim 1, is characterized in that: described capacitance touching control formula TrackPoint is arranged on the lower surface of upper cover (40) casing at keyboard group edge.
5. capacitance touching control formula TrackPoint according to any one of claim 1 to 4, it is characterized in that: described induction region (30) and touch-control IC (20) are arranged at the upper and lower surface of multilayer board (10) respectively, the upper surface copper foil that the first induction electrode (11) is multilayer board (10).
6. capacitance touching control formula TrackPoint according to any one of claim 1 to 4, it is characterized in that: described induction region (30) is provided with a sensing chip (12), sensing chip (12) is soft or rigid printed circuit board, also can be soft ito thin film or ito glass, second induction electrode (121) is Copper Foil or tin indium oxide ITO, and sensing chip (12) is connected to the multilayer board (10) being provided with touch-control IC (20) by circuit (122) or connector (70).
7. capacitance touching control formula TrackPoint according to any one of claim 1 to 4, is characterized in that: described the first induction electrode (11) and the second induction electrode (121) arrange dot matrix type for X electrode and Y electrode vertical.
8. capacitance touching control formula TrackPoint according to any one of claim 1 to 4, is characterized in that: the caterpillar shape that described the first induction electrode (11) and the second induction electrode (121) are one side touch-control or leg-of-mutton XY dot matrix type electrode.
9. capacitance touching control formula TrackPoint according to any one of claim 1 to 4, it is characterized in that: described the first induction electrode (11) and the second induction electrode (121) are one side shape, be connected to the capacitance touching control IC on surface from four end points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420455958.5U CN204155221U (en) | 2014-08-13 | 2014-08-13 | A kind of capacitance touching control formula TrackPoint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420455958.5U CN204155221U (en) | 2014-08-13 | 2014-08-13 | A kind of capacitance touching control formula TrackPoint |
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| Publication Number | Publication Date |
|---|---|
| CN204155221U true CN204155221U (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420455958.5U Expired - Fee Related CN204155221U (en) | 2014-08-13 | 2014-08-13 | A kind of capacitance touching control formula TrackPoint |
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| Country | Link |
|---|---|
| CN (1) | CN204155221U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106681537A (en) * | 2016-10-24 | 2017-05-17 | 深圳市芯智科技有限公司 | Capacitance type trackpoint mouse and touch coordinate acquisition method thereof |
| CN107450787A (en) * | 2017-09-04 | 2017-12-08 | 深圳市千分智能技术有限公司 | A kind of active electric capacity touch-control module and intelligent hand drawing board |
-
2014
- 2014-08-13 CN CN201420455958.5U patent/CN204155221U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106681537A (en) * | 2016-10-24 | 2017-05-17 | 深圳市芯智科技有限公司 | Capacitance type trackpoint mouse and touch coordinate acquisition method thereof |
| CN107450787A (en) * | 2017-09-04 | 2017-12-08 | 深圳市千分智能技术有限公司 | A kind of active electric capacity touch-control module and intelligent hand drawing board |
| CN107450787B (en) * | 2017-09-04 | 2023-08-04 | 深圳市千分一智能技术有限公司 | Active capacitive touch module and intelligent hand-painted plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20150813 |
|
| EXPY | Termination of patent right or utility model |