CN102221923A - Method for realizing touch under three-dimensional space - Google Patents
Method for realizing touch under three-dimensional space Download PDFInfo
- Publication number
- CN102221923A CN102221923A CN2011100734707A CN201110073470A CN102221923A CN 102221923 A CN102221923 A CN 102221923A CN 2011100734707 A CN2011100734707 A CN 2011100734707A CN 201110073470 A CN201110073470 A CN 201110073470A CN 102221923 A CN102221923 A CN 102221923A
- Authority
- CN
- China
- Prior art keywords
- screen
- touch
- activities
- plane
- point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Position Input By Displaying (AREA)
Abstract
The invention relates to a method for realizing touch under a three-dimensional space, which comprises a screen. Corresponding touch point coordinates are worked out according to the relative position relationship and distance between fixed slave devices arranged on the screen and movable slave devices arranged outside the screen. The method for realizing the touch under the three-dimensional space is more flexible and convenient for operating great size screens in particular; and the same position can be controlled even the screen is simultaneously operated by a plurality of persons. As the requirements on the screen are very low, the detailed positions of the touch points can be detected through the additional fixed slave devices and movable devices, therefore, the cost is also reduced.
Description
Technical field
The present invention relates to a kind of touch technology, refer in particular to the implementation method of touch-control under a kind of three dimensions.
Background technology
Touch technology is present hot technology, and it comprises single-point touch technology and multi-point touch technology.In the single-point touch technology, can provide the contactor control device of touch controllable function to control by the action on the touch input device (for example touch-screen and touch pad) of a finger of identification in contactor control device.And in the multi-point touch technology, contactor control device is controlled by discerning the action of a plurality of fingers on touch input device.No matter be single-point touch technology or multi-point touch technology, contactor control device all is that the action on touch input device is controlled according to finger.
And present stage realizes that above-mentioned touch controllable function is more commonly by resistance-type or capacitance touching control principle, generally all be at small size, wherein the electric resistance touch-control principle is to utilize pressure sensitive to control, when the finger touch screen, two conductive layers has just had contact in the position, touch point, resistance changes, and produces signal on X and Y both direction, send touch screen controller then.And controller detects this contact and calculate that (mode according to analog mouse operates again for X, position Y).But the bigger pressure of finger large tracts of land contact need in this method of operating so the finger manipulation feel is bad, and can not be distinguished the situation that two fingers overlap.And the capacitance touching control principle is to utilize the induction by current of human body to carry out work, described capacitance plate surface scribbles transparent conductance layer ITO, voltage is connected to four jiaos, small direct current looses portion at screen surfaces, form even electric field, during with the hand touch screen, human body is as coupling capacitance one utmost point, electric current compiles and forms another utmost point of coupling capacitance from shielding four jiaos, calculates the coordinate that relative distance that electric current passes to touch location obtains touching by controller.So but capacitance plate is owing to utilize capacitance principle to be subject to the influence of external environment, sensitivity is too high may to cause drift.Just do not flexibly and the resistance-type principle is used in the large scale on-screen options, and that the condenser type principle is used on the large scale screen cost is higher, so incompatibility is applied.Moreover, no matter be that condenser type or electric resistance touch-control all can not overlap in same position under the situation of multi-point touch, so function screen is just restricted simultaneously to many people.
Summary of the invention
The actual technical matters to be solved of the present invention is that how to provide a kind of operation at the large touch screen under three dimensions be the low again touch-control implementation method of flexible cost.
In order to realize above-mentioned purpose of the present invention, the invention provides the implementation method of touch-control under a kind of three dimensions, comprise screen, its step is as follows: fix two activities being set from device from device and outside this screen at least three of settings on the described screen; Obtain extended line to three the fixing intersection point from device form plane of two activities from device by the relative position information of above-mentioned each device again, the coordinate of described intersection point is exactly the position coordinates of touch point.
The implementation method of touch-control under the three dimensions of the present invention, the method of mainly having utilized radio communication to transmit signal projects Touch Screen with touch point, not only can judge the particular location of touch point fast, and can detect a plurality of touch points that project on the screen simultaneously.Method of the present invention during especially to the large scale screen operator more flexibly, convenient, even function screen also can the touch-control same position simultaneously for many people; Moreover, since very low to screen requirement itself, only need just can detect the particular location of touch points from device and movable device, so also reduced cost by adding to fix.
Description of drawings
Fig. 1 is the synoptic diagram that is provided with on the screen of the present invention behind the device;
Fig. 2 is the process flow diagram of touch-control implementation method of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
Please refer to shown in Figure 1, on a large scale screen, its edge branch is A, B, C and D, wherein be provided with at least on this screen three wireless from device B, C and D, should from device, be provided with wireless class zigbee chip, described zigbee chip is meant that to have signal strong and weak or apart from the wireless chip of deixis, above-mentioned is three marginal points that are fixed on screen from device, so can form a plane by this screen.Described activity is provided with the radio detection sensor from device E and F, and is positioned at outside this plane, can form a Pointing stick by these two activities from device, wishes that now the user just can find out the coordinate of its touch point by the subpoint of this Pointing stick on screen.
Because fixing three edge point position that are positioned at screen from device B, C and D branch, and the present invention has utilized the principle of radio communication, and described all to contain radio communication and signal from device strong and weak or apart from deixis, promptly just can determine that according to the power of radio communication any two is fixing from the distance between the device, therefore just can determine the length L of described screen and the size of width W.Being that described fixing from the distance between device C and the D is exactly the length L of screen, is exactly the broadband W of screen and fix from the distance between device B and the C.Following mask body discussion activity is from the concrete position of touch point of Pointing stick projection on this screen of device composition.
Please in conjunction with reference to illustrated in figures 1 and 2, be initial point again, set up a three-dimensional system of coordinate with A, be located in the XY plane by the fixing plane of forming from device B, C and D so, so described fixing coordinate from device B is (L, 0,0), described fixing coordinate from device C is (L, W, 0), described fixing coordinate from device D is (0, W, 0).And movable coordinate the unknown from device E and F, establish earlier its coordinate points respectively and be (Xe, Ye, Ze) and (Xf, Yf, Zf), therefore need only not parallel and two activities in the plane at straight line that the Pointing stick be made up of from device activity forms and screen place and all under the condition of the side on the plane that screen forms, just can obtain the intersection point that the extended line of Pointing stick is throwed on plane, screen place from device.
Because an activity in the Pointing stick is respectively Rbe to fixing from the distance device B, C, the D from device E, Rce, Rde, it all can detect each distance by radio communication, so according to three formula: Xe
2+ (Ye-W)
2+ Ze
2=Rde
2(Xe-L)
2+ (Ye-W)
2+ Ze
2=Rce
2And (Xe-L)
2+ Ye
2+ Ze
2=Rbe
2The ternary quadratic equation group that constitutes just can draw from device E in the coordinate points (Xe, Ye, Ze) of carving the place arbitrarily for the moment, positive and negative two coordinate points can appear in the calculating, we get on the occasion of coordinate points, promptly guaranteed movable the same side that forms the space from device at screen.In like manner, utilization is being carved the size of the coordinate points (Xf, Yf, Zf) at place with the quadrat method activity of just can drawing arbitrarily a period of time from device F.
Obtaining above-mentioned activity after the coordinate points of device E and F, just can determine the equation that constitutes straight line by 2, just can draw intersecting point coordinate value that straight line that the extended line of this Pointing stick form and screen form plane according to this equation with by the equation that screen is formed the plane this moment, and this coordinate figure is exactly the position coordinates point that Pointing stick projects touch-control after the screen plane.
Because thereby two activities can only be formed straight line from device and determine the touch point position that projects on the screen, and the present invention adopts wireless communications method, even can not disturb each other from device so a plurality of activities are arranged simultaneously yet, simultaneously as shown from the above formula, if more fixing also use touch point position after same principle just can be determined a plurality of projections from device being provided with on the screen from device and with many activities, and a plurality of incident points can overlap, and finally are implemented in the position coordinates of detecting touch point under the three dimensions.
When user operation has movable Pointing stick from device, finally from the wireless monitor sensor on the device signal is sent to signal receiver by activity, be transmitted to host computer such as the final position coordinates that could obtain touch point of computer by USB interface again.
Touch-control implementation method of the present invention has effectively realized touch-control even referred to the purpose of touch-control more at giant-screen, and is not only simple, and also do not have the problem of tradition ghost point in the method that refers to realize more, so be worthy of popularization.
Claims (10)
1. the implementation method of touch-control under the three dimensions comprises screen, and its step is as follows:
Fixingly two activities are set from device being provided with at least three on the described screen from device and outside this screen;
Obtain extended line to three the fixing intersection point from device form plane of two activities from device by the relative position information of above-mentioned each device again, the coordinate of described intersection point is exactly the position coordinates of touch point.
2. the method for claim 1 is characterized in that: the concrete coordinate of described movable device is fixingly to come out from the distance calculation between the device from the distance of device and each are fixing from the device to the activity according to each.
3. method as claimed in claim 1 or 2 is characterized in that: the position coordinates of described touch point is according to the subpoint of extended line on the plane that screen forms after being connected from device by two activities.
4. method as claimed in claim 3 is characterized in that: described two activities are not parallel from the plane that device connects formed plane, back and screen formation.
5. the method for claim 1 is characterized in that: the described fixing marginal point that is arranged on screen from device.
6. as claim 1 or 5 described methods, it is characterized in that: the length of described screen and width are by described fixing definite from the distance between the device.
7. method as claimed in claim 6 is characterized in that: described fixing detected according to radio communication from the distance between the device.
8. the method for claim 1 is characterized in that: described fixing from device and the movable radio communication that from device, all contains with the signal power or apart from deixis.
9. the method for claim 1 is characterized in that: described intersection point is meant that the straight line that is formed from the extended line of device by two activities is incident upon that plane that screen forms forms.
10. the method for claim 1, it is characterized in that: described two activities can be formed a Pointing stick from device, and two activities from device all in the side on the plane that screen forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100734707A CN102221923A (en) | 2011-03-25 | 2011-03-25 | Method for realizing touch under three-dimensional space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100734707A CN102221923A (en) | 2011-03-25 | 2011-03-25 | Method for realizing touch under three-dimensional space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102221923A true CN102221923A (en) | 2011-10-19 |
Family
ID=44778487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100734707A Pending CN102221923A (en) | 2011-03-25 | 2011-03-25 | Method for realizing touch under three-dimensional space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102221923A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104731430A (en) * | 2013-12-24 | 2015-06-24 | Nlt科技股份有限公司 | Touch Sensor Device And Electronic Device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1224870A (en) * | 1998-03-20 | 1999-08-04 | 刘中华 | Touch point position parameter data detecting sensor |
| US20040032399A1 (en) * | 2002-08-15 | 2004-02-19 | Fujitsu Limited | Ultrasonic coordinate input apparatus |
| CN101226448A (en) * | 2008-01-21 | 2008-07-23 | 杜炎淦 | Raster display screen sursor locating method and cursor telecontrol indicator |
| CN101866235A (en) * | 2010-02-10 | 2010-10-20 | 张强 | Multi-point touch or multi-pen writing screen in three-dimensional space |
-
2011
- 2011-03-25 CN CN2011100734707A patent/CN102221923A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1224870A (en) * | 1998-03-20 | 1999-08-04 | 刘中华 | Touch point position parameter data detecting sensor |
| US20040032399A1 (en) * | 2002-08-15 | 2004-02-19 | Fujitsu Limited | Ultrasonic coordinate input apparatus |
| CN101226448A (en) * | 2008-01-21 | 2008-07-23 | 杜炎淦 | Raster display screen sursor locating method and cursor telecontrol indicator |
| CN101866235A (en) * | 2010-02-10 | 2010-10-20 | 张强 | Multi-point touch or multi-pen writing screen in three-dimensional space |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104731430A (en) * | 2013-12-24 | 2015-06-24 | Nlt科技股份有限公司 | Touch Sensor Device And Electronic Device |
| CN104731430B (en) * | 2013-12-24 | 2019-03-01 | Nlt科技股份有限公司 | Touch sensor apparatus and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI705360B (en) | Touch panel, signal processing device, and coupling method | |
| JP6723226B2 (en) | Device and method for force and proximity sensing employing an intermediate shield electrode layer | |
| US9600121B2 (en) | Driving sensor electrodes for noise measurement | |
| US10209788B2 (en) | Touch processor, touch device, touch system, and touch method | |
| CN107003754A (en) | Stylus for operating digitizer system | |
| CN103927065B (en) | Touch screen and method for detecting same | |
| US10222913B2 (en) | Device for contactless interaction with an electronic and/or computer apparatus, and apparatus equipped with such a device | |
| TWI621038B (en) | Wired stylus, touch sensitive electronic device and system and method thereof | |
| JP5373134B2 (en) | Touch panel structure and position detection method selection method | |
| CN102314257A (en) | Touch device and user terminal | |
| CN102662511A (en) | Method and terminal for carrying out control operation through touch screen | |
| WO2012111227A1 (en) | Touch input device, electronic apparatus, and input method | |
| TW201510828A (en) | Method of recognizing touch | |
| US20160034171A1 (en) | Multi-touch gesture recognition using multiple single-touch touch pads | |
| CN106796462B (en) | Determining a position of an input object | |
| CN102221923A (en) | Method for realizing touch under three-dimensional space | |
| TWI571775B (en) | Electronic erasure device | |
| CN102096507A (en) | Touch control realization method and system | |
| CN105072224A (en) | Mobile phone with rear cover-touch operation and method for realizing rear cover-touch operation of the same | |
| CN102778963B (en) | Mouse and the method realizing operator scheme switching based on this mouse | |
| CN204314861U (en) | Hand touches mutual gloves | |
| JP2014182473A (en) | Input device | |
| CN103197818B (en) | A kind of pointer method for rapidly positioning and touch pad mouse apparatus | |
| CN104035634A (en) | Information processing method and electronic apparatus | |
| KR102096861B1 (en) | Integrated touch system and diplay device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111019 |