CN201974791U - Touch screen positioning device supporting multi-dot mergence - Google Patents
Touch screen positioning device supporting multi-dot mergence Download PDFInfo
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- CN201974791U CN201974791U CN2010205419926U CN201020541992U CN201974791U CN 201974791 U CN201974791 U CN 201974791U CN 2010205419926 U CN2010205419926 U CN 2010205419926U CN 201020541992 U CN201020541992 U CN 201020541992U CN 201974791 U CN201974791 U CN 201974791U
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Abstract
The utility model discloses a touch screen positioning device supporting multi-dot mergence, comprising a touch screen and - shaped word lasers. Four - shaped word lasers are respectively arranged on the four sides of the touch screen, several - shaped word lasers are arranged on both the upper and lower sides of the touch screen and one or more - shaped word lasers are arranged on both the right and left sides of the touch screen. The touch screen is composed of one or more display units. When the touch screen is obtained by the mergence of several display units, the mergence point of the display units uses a common - shaped word laser. The utility model has the advantages of: the intensity of light strength and low cost and has realized the multi-dot touch.
Description
Technical field
The utility model relates to the touch-screen field of locating technology, is specifically related to a kind of locating device of supporting multiple point touching and can being applied to splice touch-screen.
Background technology
In existing giant-screen touch-screen, use in the touch location that locator meams realizes behind the camera, generally adopt light pen to carry out touch operation, can not realize operation and the control pointed, bring some inconvenience and uncomfortable to the user.Behind camera in the touch system of location,, use usually a kind ofly can make the device that finger touch point is luminous and can be arrived by the camera reliable detection for the reliable touch that realizes pointing.And if the employing infrared LED designs this light supply apparatus, because the scattering angle of LED is bigger, light source is not concentrated, and attenuation ratio is severe, the necessary more infrared LED of usage quantity, and such cost that has just strengthened hardware.
Secondly, in existing infrared or camera prelocalization touching device, when multiple spot touches simultaneously,, be difficult to realize touch more than 2 because the defective on the principle is difficult to accurately capture each touch point simultaneously.
At present, in using the laser surface location, usually a word laser instrument need be installed above or below screen, make touch-screen in the touch scope, be covered by the infrared laser emerging ray that is parallel to touch-screen that a word laser instrument sends by one deck, but, when a plurality of touch points all are in same infrared laser emerging ray, the touch point that is positioned at the front will shelter from the touch point of back, make the touch point of back not be subjected to the infrared laser irradiation, thereby can't be detected, therefore occur losing a phenomenon easily, can't really realize multiple point touching.
The utility model content
The purpose of this utility model is to overcome the shortcoming of prior art with not enough, and a kind of support multiple spot splicing touch-screen locating device is provided, and has that light intensity is concentrated, low cost and other advantages, has realized multiple point touching.
The utility model purpose is achieved through the following technical solutions: a kind of support multiple spot splicing touch-screen locating device, comprise a touch-screen and a word laser instrument, the four edges of described touch-screen all is equipped with a word laser instrument, makes the whole touch screen surface all be coated with the infrared laser emerging ray that is parallel to touch-screen that is sent by a word laser instrument.
Preferably, two limits up and down of described touch-screen are separately installed with a plurality of word laser instruments.
Preferably, described touch-screen about two limits be separately installed with one or more word laser instruments.
Preferably, described touch-screen is made up of single or multiple display units.
Preferably, when described touch-screen is spliced by a plurality of display units, shared one the one word laser instrument of splicing place of display unit.
Preferably, a described word laser level is installed on the touch screen plane, and wherein the light emitted mouth installation site of a word laser instrument is a little more than touch screen plane.
Preferably, described each word laser instrument is installed on the same level, and the infrared laser emerging ray that is parallel to touch-screen that each word laser instrument sends is positioned on the same surface level, thus the complementary stack of the infrared laser emerging ray that each word laser instrument is sent.
Preferably, described each word laser instrument is installed on the different levels, and the infrared laser emerging ray that is parallel to touch-screen that each word laser instrument sends is positioned on the different level.
The utility model has following advantage and effect with respect to prior art:
The first, adopt the depth of parallelism of emergent ray and the word laser instrument that intensity all is much better than LED; Utilize a word laser instrument, overcome the subregion and detected insensitively, image quality is not high, multiple touch points operate simultaneously the center section touch point detect less than problem.
The second, on the whole surface of touch-screen, place the mode of a word laser instrument by horizontal longitudinal direction, form the infrared laser emerging ray that is parallel to touch-screen that a two-layer word laser instrument sends, the problem of effectively having avoided the touch point to be blocked, operation when really having realized multiple touch points.
Three, utilize its fan-out angle big, light intensity is concentrated, the feature that is evenly distributed; Reduce being installed on the number of lasers at touch-screen edge, thereby reduced installation cost.
Description of drawings
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
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment one
As shown in Figure 1, a word laser instrument is installed on four limits of contact panel A, and described contact panel can be 4: 3 (perhaps 16: 9) sizes of display unit.
This device is according to the distribute installation site of a word laser instrument of the illumination plane of a word laser instrument and range of light intensity, by calculating, the fan-out angle 202 of a word laser instrument that uses is 110 °, pass through practical proof, when fan-out angle 201 is 67.4 °, back positioning shooting head can photograph stronger bright spot, and it is relatively sensitiveer to touch effect.Mainly use part in fan-out angle 201 scopes when therefore a word laser instrument being installed.The formed angle of light of the maximum illumination scope that described fan-out angle 202 is laser instruments, i.e. angle beta among Fig. 1, the formed angle of light of the big range of exposures of the light intensity that described fan-out angle 201 is laser instruments, i.e. angle a among Fig. 1.
One word laser instrument 1,2,4,5 is installed in the both sides up and down of screen A respectively, boundary member light intensity stack at a word laser instrument forms complementary relationship, guarantee to cover in the screen A scope infrared laser emerging ray that is parallel to screen that one deck is sent by a word laser instrument, when single-point touches, can guarantee so all can better touch in the screen A scope.But when multiple point touching, when a plurality of touch points during just with the laser emitting line parallel, center section just can not obtain the laser emitting line, therefore, at the right and left of screen A one word laser instrument 3 and 6 are installed respectively, wherein, a word laser instrument 3 and 6 also covers the infrared laser emerging ray that is parallel to touch-screen that one deck is sent by a word laser instrument equably on the whole touch screen surface.So just guarantee that a plurality of touch points can obtain the laser emitting line in any position.
Embodiment two
As shown in Figure 2, a word laser instrument is installed on four limits of contact panel, and described contact panel is to be screen B of 4: 3 (perhaps 16: 9) sizes and giant-screen (being whole touch screen) that C is spliced into by two display units.
One word laser instrument 7,8,9,10,13,14,15 according on the both sides up and down of screen B and C, covers the infrared laser emerging ray that is parallel to touch-screen that one deck is sent by a word laser instrument respectively equably on the whole touch screen surface.Wherein a word laser instrument 14 is installed in splicing place of two display unit screen.One word laser instrument 11,12,16 is installed in two sides of screen B and C respectively, also covers the infrared laser emerging ray that is parallel to touch-screen that one deck is sent by a word laser instrument equably on the whole touch screen surface.Because two screen splicing scopes are bigger, the intensity of illumination of a word laser instrument reduces along with the increase of distance, and therefore the accuracy that many laser instruments are guaranteed multiple point touching is installed in the side.
This shows, the mounting means of present embodiment is consistent with embodiment one (when promptly having only a display unit), its difference is in the present embodiment, display unit splicing place can shared one one word laser instrument, and on the touch-screen left side or the right many one one word laser instruments are installed to guarantee the accuracy of multiple point touching.
Embodiment three
As shown in Figure 3, a word laser instrument is installed on four limits of contact panel, and described contact panel is that three display units are in screen D, E of 4: 3 (perhaps 16: 9) sizes and the giant-screen (being whole touch screen) that F is spliced into.
One word laser instrument 17,18,19,20,21,28,27,26,25 is installed in the both sides up and down of the giant-screen that screen D, E and F be spliced into respectively, covers the infrared laser emerging ray that is parallel to touch-screen that one deck is sent by a word laser instrument equably on the whole touch screen surface.Wherein a word laser instrument 20,27 is installed in splicing place of two display unit screen.
Length is bigger because three display units form a line, one word laser emitting scope beyond 3 meters beam intensity ratio a little less than, therefore the right and left of the giant-screen that is spliced at screen D, E and F is installed a word laser instrument 22,23,24,29,30,31, like this can be by the complementary stack of a word laser instrument in word laser illumination place far away.So just can guarantee that whole screen scope can cover two-layer stronger infrared laser emerging ray, guarantees the operation of multiple point touching.
This shows that the mounting means of present embodiment is consistent with embodiment two (when two display units are promptly arranged), guarantee to provide stronger light intensity in the screen scope of side during just for the assurance multiple point touching, increase a word laser instrument is installed.
Embodiment four
As shown in Figure 4, a word laser instrument is installed on four limits of contact panel, and described contact panel is that three display units are in the giant-screen (being whole touch screen) that is spliced into of screen G, H, J and the K of 4: 3 (perhaps 16: 9) sizes.Described each two screen splicings composition up and down that are spliced into.
One word laser instrument 32,33,34,35,40,39,38 is installed in the both sides up and down of the giant-screen that screen G, H, J and K be spliced into respectively, covers the infrared laser emerging ray that is parallel to touch-screen that one deck is sent by a word laser instrument equably on the whole touch screen surface.Wherein a word laser instrument 39 is installed in splicing place of two display unit screen.
Length is bigger because four display units form a line, one word laser emitting scope beyond 3 meters beam intensity ratio a little less than, therefore the right and left of the giant-screen that is spliced at screen G, H, J and K is installed a word laser instrument 43,42,41,36,37, like this can be by the complementary stack of a word laser instrument in word laser illumination place far away.So just can guarantee that whole screen scope can cover two-layer stronger infrared laser emerging ray, guarantees the operation of multiple point touching.
This shows that the mounting means of present embodiment is consistent with embodiment two (when two display units are promptly arranged), provides stronger light intensity for guaranteeing in the screen scope of side when just guaranteeing multiple point touching, increase a word laser instrument is installed.
The utility model is according to the range of light intensity of a word laser instrument and the installation site of a word laser instrument, be implemented in the whole touch screen surface and can cover stronger infrared laser emerging ray, and each point can both receive the emerging ray of a word laser instrument when guaranteeing multiple point touching.The foregoing description is the utility model preferred implementation; but embodiment of the present utility model is not limited by the examples; other any do not deviate from change, the modification done under spirit of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (8)
1. support multiple spot splicing touch-screen locating device for one kind, comprise a touch-screen and a word laser instrument, it is characterized in that the four edges of described touch-screen all is equipped with a word laser instrument, make the whole touch screen surface all be coated with the infrared laser emerging ray that is parallel to touch-screen that sends by a word laser instrument.
2. according to the described a kind of support multiple spot splicing touch-screen locating device of claim 1, it is characterized in that two limits up and down of described touch-screen are separately installed with a plurality of word laser instruments.
3. according to the described a kind of support multiple spot splicing touch-screen locating device of claim 1, it is characterized in that two limits are separately installed with one or more word laser instruments about described touch-screen.
4. according to the described a kind of support multiple spot splicing touch-screen locating device of claim 1, it is characterized in that described touch-screen is made up of single or multiple display units.
5. according to the described a kind of support multiple spot splicing touch-screen locating device of claim 4, it is characterized in that, when described touch-screen is spliced by a plurality of display units, shared one the one word laser instrument of splicing place of display unit.
6. according to the described a kind of support multiple spot splicing touch-screen locating device of claim 1, it is characterized in that a described word laser level is installed on the touch screen plane, wherein the light emitted mouth installation site of a word laser instrument is higher than touch screen plane.
7. according to the described a kind of support multiple spot splicing touch-screen locating device of claim 6, it is characterized in that described each word laser instrument is installed on the same level, the infrared laser emerging ray that is parallel to touch-screen that each word laser instrument sends is positioned on the same surface level.
8. according to the described a kind of support multiple spot splicing touch-screen locating device of claim 6, it is characterized in that, described each word laser instrument is installed on the different levels, and the infrared laser emerging ray that is parallel to touch-screen that each word laser instrument sends is positioned on the different level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205419926U CN201974791U (en) | 2010-09-21 | 2010-09-21 | Touch screen positioning device supporting multi-dot mergence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205419926U CN201974791U (en) | 2010-09-21 | 2010-09-21 | Touch screen positioning device supporting multi-dot mergence |
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| Publication Number | Publication Date |
|---|---|
| CN201974791U true CN201974791U (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205419926U Expired - Fee Related CN201974791U (en) | 2010-09-21 | 2010-09-21 | Touch screen positioning device supporting multi-dot mergence |
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| CN (1) | CN201974791U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106383619A (en) * | 2016-10-19 | 2017-02-08 | 南京仁光电子科技有限公司 | Large-screen touch interaction system |
-
2010
- 2010-09-21 CN CN2010205419926U patent/CN201974791U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106383619A (en) * | 2016-10-19 | 2017-02-08 | 南京仁光电子科技有限公司 | Large-screen touch interaction system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20170921 |