CN106383619A - Large-screen touch interaction system - Google Patents
Large-screen touch interaction system Download PDFInfo
- Publication number
- CN106383619A CN106383619A CN201610912575.XA CN201610912575A CN106383619A CN 106383619 A CN106383619 A CN 106383619A CN 201610912575 A CN201610912575 A CN 201610912575A CN 106383619 A CN106383619 A CN 106383619A
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- CN
- China
- Prior art keywords
- screen
- giant
- laser instrument
- laser
- interactive system
- 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.)
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04104—Multi-touch detection in digitiser, i.e. details about the simultaneous detection of a plurality of touching locations, e.g. multiple fingers or pen and finger
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention provides a large-screen touch interaction system. The large-screen touch interaction system comprises a large screen and a laser; the large screen is formed by multiple display units in a stitching manner; the laser is installed at the edge of the large screen; at least one edge of the large screen is provided with the laser; and therefore, the surface of the whole large screen is uniformly covered by infrared laser ray parallel to the large screen and emitted by the laser. According to the large-screen touch interaction system disclosed by the invention, both the parallelism and the intensity of the emitted light are superior to that of the LED laser; the problems that detection of a part of area is non-sensitive, the imaging quality is not high and a touch point in the middle part cannot be detected when multiple touch points are simultaneously operated can be overcome; by utilization of the characteristics of large fan-out angle, centralized light intensity and uniform distribution, the number of the lasers installed at the edge of the large screen can be reduced; and thus, the installation cost is reduced.
Description
Technical field
The present invention relates to giant-screen field of locating technology, particularly a kind of giant-screen touch interactive system.
Background technology
In existing giant-screen, in the touch positioning realized using positioning mode after photographic head, typically adopt light pen
Carry out touch operation it is impossible to realize operation and the control of finger, bring some inconvenience to user.After photographic head, positioning touches
In system, the reliability in order to realize finger touches, and one kind is usually used can make finger touch point light and can by photographic head reliably
The device detecting.And if this light supply apparatuses are designed using infrared LED, because the scattering angle ratio of LED is larger, light source
Do not concentrate, attenuation ratio more severe it is necessary to the more infrared LED of usage quantity, thus can increase the cost of hardware.Secondly, exist
In existing infrared or photographic head prelocalization touching device, when multiple spot touches simultaneously, due to the defect in principle it is difficult to
When be accurately captured each touch point it is difficult to realize more than 2 points of touch.
At present, in being positioned using laser surface, it usually needs laser instrument is installed above or below screen so that large-size screen monitors
Curtain is covered by the infrared laser radiation parallel to giant-screen that laser instrument sends by one layer in the range of touching.But, when many
Individual touch point be located at a line on when, touch point below will be sheltered from positioned at touch point above so that below touch
Touch and be not a little subject to iraser to irradiate, thus cannot be detected, therefore easily Losing Data occurs it is impossible to really realize many
Touch.
Content of the invention
In order to solve the above problems, the present invention proposes a kind of giant-screen touch interactive system.
A kind of giant-screen touch interactive system, including：
There is the giant-screen that multiple display units are spliced；
It is installed on the laser instrument on this giant-screen edge,
On at least one side of this giant-screen, laser instrument is installed, so that whole giant-screen surface uniform fold is sent by laser instrument
The infrared laser radiation parallel to giant-screen.
Preferably, a line of this giant-screen is provided with one or more laser instrument.
Preferably, two sides of this giant-screen are provided with one or more laser instrument.
Preferably, three sides of this giant-screen are provided with one or more laser instrument.
Preferably, the four edges of this giant-screen are provided with one or more laser instrument.
Preferably, the stitching portion of the display unit of this giant-screen shares laser instrument.
Preferably, this laser instrument is installed in giant-screen plane, and the light source emission port installation site of wherein laser instrument is higher than
Giant-screen plane.
Preferably, this each laser instrument is arranged in same level, and what each laser instrument sent swashs parallel to the infrared of giant-screen
Light ray is located in same level.
Preferably, this each laser instrument is installed on different levels, and it is infrared parallel to giant-screen that each laser instrument sends
Laser beam is located on different level.
Preferably, the opposite side of described laser instrument or adjacent side are provided with reflection bar.
The present invention compared with prior art, has the advantages that：
A kind of giant-screen touch interactive system proposed by the present invention, the depth of parallelism and intensity using transmitting light are better than
The laser instrument of LED, overcome subregion detection insensitive, image quality is not high, multiple touch points operate simultaneously mid portion touch
Touch the problem that a little can't detect.Big using its fan-out angle, light intensity is concentrated, the feature being evenly distributed, and reduces and is installed on giant-screen
The number of lasers at edge, thus reduce installation cost.
Brief description
Fig. 1 is the structural representation that in the embodiment of the present invention one, laser instrument is arranged on giant-screen one side；
Fig. 2 be in the embodiment of the present invention one laser instrument be arranged on giant-screen on one side, reflector is arranged on the structure of opposite side and shows
It is intended to；
Fig. 3 be in the embodiment of the present invention one laser instrument be arranged on giant-screen on one side, reflector is arranged on the structure of adjacent side and shows
It is intended to；
Fig. 4 is the structural representation that in the embodiment of the present invention two, laser instrument is arranged on bottom and upper segment；
Fig. 5 is that in the embodiment of the present invention two, the structural representation with adjacent side on top installed by laser instrument；
Fig. 6 is the structural representation of the embodiment of the present invention three；
Fig. 7 is the structural representation of two pieces of mosaic screens in the embodiment of the present invention four；
Fig. 8 is four pieces of mosaic screens in the embodiment of the present invention four, the structural representation of four laser instrument；
Fig. 9 is four pieces of mosaic screens in the embodiment of the present invention four, the structural representation of six laser instrument；
Figure 10 is four pieces of mosaic screens in the embodiment of the present invention four, the structural representation of eight laser instrument.
1st, 2,6,7,8,9,10,11 it is laser instrument；
3rd, 4,5 is reflection bar.
Specific embodiment
Further describe technical scheme below in conjunction with specific embodiment.It should be appreciated that being described herein as
Specific embodiment only in order to explain the present invention, be not intended to limit the present invention.
Embodiment one
A kind of giant-screen touch interactive system, laser instrument be arranged on giant-screen on, described giant-screen is by two
Mosaic screen is spliced, and the size of mosaic screen can be 4:3、16:9 etc..
This device is distributed the installation site of laser instrument according to the illumination plane of laser instrument and range of light intensity, by experiment
Checking, when fan-out angle is 90 °, photographic head can photograph stronger bright spot, touches effectiveness comparison sensitive.Therefore, install and swash
Mainly using 90 ° of scope interior parts of fan-out angle during light device.
As shown in figure 1, laser instrument 1 and laser instrument 2 are arranged on the top of giant-screen, fan-out angle is 90 °, so can ensure that
One layer of infrared laser radiation parallel to screen being sent by laser instrument can be covered, energy so when touching in the range of giant-screen
Ensure all can preferably touch in the range of giant-screen.Laser instrument 6 is arranged on the stitching portion of two pieces of mosaic screens, so can be more preferable
Using laser instrument, and the quantity of saving laser instrument, also can reach the effect of uniform, comprehensive covering.
When screen than larger when, the opposite side that can place/install laser instrument in giant-screen installs a reflection bar 3, such as Fig. 2
Shown, or the adjacent side placing laser instrument in giant-screen places/install one or more reflection bars respectively, such as reflection bar 4 and anti-
Penetrating bar 5, laser beam being obtained in any position as shown in figure 3, so ensuring that during giant-screen.
Embodiment two
A kind of giant-screen touch interactive system, described giant-screen is to be spliced by two mosaic screens, the size of mosaic screen
Can be 4:3、16:9 etc., laser instrument is arranged on the both sides of giant-screen, may be mounted at bottom and upper segment, or top and neighbour
Side.
This device is distributed the installation site of laser instrument according to the illumination plane of laser instrument and range of light intensity, by experiment
Checking, when fan-out angle is 90 °, photographic head can photograph stronger bright spot, touches effectiveness comparison sensitive.Therefore, install and swash
Mainly using 90 ° of scope interior parts of fan-out angle during light device.
As shown in figure 4, laser instrument 1 and laser instrument 2 are arranged on the top of giant-screen, laser instrument 6 is arranged under giant-screen
Side, positioned at the stitching portion of two pieces of mosaic screens, forms complementary relationship it is ensured that giant-screen model in the boundary member light intensity superposition of laser instrument
Enclose interior can cover one layer of infrared laser radiation parallel to screen being sent by laser instrument, so ensure that in single-touch
With can get laser beam during multiple point touching.
As shown in figure 5, laser instrument 1 is arranged on the top of giant-screen, laser instrument 2 is arranged on the right of giant-screen, laser instrument 6
It is arranged on the top of giant-screen, positioned at the stitching portion of two pieces of mosaic screens, formed in the boundary member light intensity superposition of laser instrument complementary
Relation is it is ensured that can cover one layer of infrared laser radiation parallel to screen being sent by laser instrument, so in the range of giant-screen
Ensure that and can get laser beam in single-touch and multiple point touching.
Embodiment three
A kind of giant-screen touch interactive system, giant-screen is to be spliced by two mosaic screens, and the size of mosaic screen is permissible
For 4:3、16:9 etc., laser instrument is arranged on three sides of giant-screen, can be top, the left side and the right, top, the left side and under
Side, top, the right and following, the following, left side and the right.
This device is distributed the installation site of laser instrument according to the illumination plane of laser instrument and range of light intensity, by experiment
Checking, when fan-out angle is 90 °, photographic head can photograph stronger bright spot, touches effectiveness comparison sensitive.Therefore, install and swash
Mainly using 90 ° of scope interior parts of fan-out angle during light device.
As shown in fig. 6, laser instrument 1, laser instrument 2 are located at top, laser instrument 2 is located at the stitching portion of mosaic screen, laser instrument 6 He
Laser instrument 7 is separately mounted to the left side and the right of giant-screen, forms complementary relationship in the boundary member light intensity superposition of laser instrument, really
Protect and can cover one layer of infrared laser radiation parallel to screen being sent by laser instrument in the range of giant-screen, so ensure that
Laser beam can be got in single-touch and multiple point touching.
Example IV
A kind of giant-screen touch interactive system, giant-screen is to be spliced by two or more mosaic screens, mosaic screen
Size can be 4:3、16:9 etc., laser instrument is arranged on four sides of giant-screen, respectively top, the following, left side and the right.
This device is distributed the installation site of laser instrument according to the illumination plane of laser instrument and range of light intensity, by experiment
Checking, when fan-out angle is 90 °, photographic head can photograph stronger bright spot, touches effectiveness comparison sensitive.Therefore, install and swash
Mainly using 90 ° of scope interior parts of fan-out angle during light device.
As shown in fig. 7, laser instrument 1, laser instrument 2, laser instrument 6 and laser instrument 7 be separately mounted to giant-screen top, under
Side, the left side and the right, form complementary relationship it is ensured that can cover in the range of giant-screen in the boundary member light intensity superposition of laser instrument
One layer of infrared laser radiation parallel to screen being sent by laser instrument, so ensures that in single-touch and multiple point touching
Laser beam can be got.
As shown in figure 8, giant-screen is spliced by four mosaic screens, laser instrument 1, laser instrument 2, laser instrument 6 and swash
Light device 7 is separately mounted to the stitching portion of the mosaic screen of top, the following, left side and the right of giant-screen, in the boundary portion of laser instrument
Light splitting be superimposed by force form complementary relationship it is ensured that can cover in the range of giant-screen one layer by laser instrument send parallel to screen
Infrared laser radiation, so ensures that and can get laser beam in single-touch and multiple point touching.
If as shown in figure 9, screen is larger or touch required precision is higher, can increase on the basis of Fig. 8 shown device
Two laser instrument 8 and laser instrument 9, are located at the bottom and upper segment of giant-screen respectively, and so boundary member light intensity in laser instrument is folded
Plus form complementary relationship it is ensured that one layer of iraser parallel to screen being sent by laser instrument can be covered in the range of giant-screen
Ray, so ensures that and can get laser beam in single-touch and multiple point touching.
As shown in Figure 10, if screen is bigger or touch required precision is higher, can increase on the basis of Fig. 8 shown device
Four laser instrument 8, laser instrument 9, laser instrument 10 and laser instrument 11, laser instrument 8 and laser instrument 9 are located at the top of giant-screen, laser
Device 10 and laser instrument 11 are located at the following of giant-screen, and so boundary member light intensity superposition in laser instrument forms complementary relationship, really
Protect and can cover one layer of infrared laser radiation parallel to screen being sent by laser instrument in the range of giant-screen, so ensure that
Laser beam can be got in single-touch and multiple point touching.
The light source emission port installation site of above-mentioned laser instrument is higher than giant-screen plane, if require that laser instrument sends parallel to
The infrared laser radiation of giant-screen is located in same level, then each laser instrument is arranged in same level；If requiring laser
The infrared laser radiation parallel to giant-screen that device sends is located on different level, then each laser instrument is arranged on different levels
On face, multi-layered infrared laser beam can be formed, form multilamellar lasing area.
In sum, a kind of giant-screen touch interactive system proposed by the present invention, using the depth of parallelism launching light with by force
Degree be better than LED laser instrument, overcome subregion detection insensitive, image quality is not high, during multiple touch points operate simultaneously
Between the problem that can't detect of partial touch point.Big using its fan-out angle, light intensity is concentrated, the feature being evenly distributed, and reduces and installs
In the number of lasers at giant-screen edge, thus reducing installation cost.
Above embodiment is the preferred embodiment of the present invention, not thereby limits the patent protection model of the present invention
Enclose.Those skilled in the art belonging to any present invention, in the premise without departing from spirit and scope disclosed in this invention
Under, equivalent structure and the conversion of equivalent step that present disclosure is done each fall within claimed the scope of the claims
Within.
Claims (10)
1. a kind of giant-screen touch interactive system, including：
There is the giant-screen that multiple display units are spliced；
It is installed on the laser instrument on described giant-screen edge,
It is characterized in that, described giant-screen at least on laser instrument is installed, make whole giant-screen surface uniform fold by
The infrared laser radiation parallel to giant-screen that laser instrument sends.
2. a kind of giant-screen touch interactive system according to claim 1 is it is characterised in that a line of described giant-screen
On one or more laser instrument are installed.
3. a kind of giant-screen touch interactive system according to claim 1 is it is characterised in that two sides of described giant-screen
On one or more laser instrument are installed.
4. a kind of giant-screen touch interactive system according to claim 1 is it is characterised in that three sides of described giant-screen
On one or more laser instrument are installed.
5. a kind of giant-screen touch interactive system according to claim 1 is it is characterised in that the four edges of described giant-screen
On one or more laser instrument are installed.
6. a kind of giant-screen touch interactive system according to claim 1 is it is characterised in that the display list of described giant-screen
The stitching portion of unit shares laser instrument.
7. a kind of giant-screen touch interactive system according to any one of claim 1 to 6 claim, its feature exists
In described laser instrument is installed in giant-screen plane, and wherein the light source emission port installation site of laser instrument is higher than giant-screen plane.
8. a kind of giant-screen touch interactive system according to any one of claim 1 to 6 claim, its feature exists
In described each laser instrument is arranged in same level, and the infrared laser radiation parallel to giant-screen that each laser instrument sends is located at
In same level.
9. a kind of giant-screen touch interactive system according to any one of claim 1 to 6 claim, its feature exists
In described each laser instrument is installed on different levels, the infrared laser radiation position parallel to giant-screen that each laser instrument sends
On different level.
10. a kind of giant-screen touch interactive system according to claim 2 is it is characterised in that the opposite side of described laser instrument
Or adjacent side is provided with reflection bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610912575.XA CN106383619A (en) | 2016-10-19 | 2016-10-19 | Large-screen touch interaction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610912575.XA CN106383619A (en) | 2016-10-19 | 2016-10-19 | Large-screen touch interaction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106383619A true CN106383619A (en) | 2017-02-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610912575.XA Pending CN106383619A (en) | 2016-10-19 | 2016-10-19 | Large-screen touch interaction system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108196728A (en) * | 2017-12-18 | 2018-06-22 | 嘉兴仁光乌镇科技有限公司 | Regulating part, the method for detecting infrared light curtain, the method for generating infrared light curtain |
| WO2022057080A1 (en) * | 2020-09-15 | 2022-03-24 | 深圳市奥拓电子股份有限公司 | Interactive cob display module and led display screen |
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| CN201974791U (en) * | 2010-09-21 | 2011-09-14 | 广东威创视讯科技股份有限公司 | Touch screen positioning device supporting multi-dot mergence |
| US20120224188A1 (en) * | 2011-03-01 | 2012-09-06 | National Tsing Hua University | Laser-Optical Position Detecting Module |
| CN206421364U (en) * | 2016-10-19 | 2017-08-18 | 南京仁光电子科技有限公司 | A kind of giant-screen touch interactive system |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201725313U (en) * | 2010-07-02 | 2011-01-26 | 广东威创视讯科技股份有限公司 | Positioning device of splicing touch screen |
| CN201974791U (en) * | 2010-09-21 | 2011-09-14 | 广东威创视讯科技股份有限公司 | Touch screen positioning device supporting multi-dot mergence |
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| US20120224188A1 (en) * | 2011-03-01 | 2012-09-06 | National Tsing Hua University | Laser-Optical Position Detecting Module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108196728A (en) * | 2017-12-18 | 2018-06-22 | 嘉兴仁光乌镇科技有限公司 | Regulating part, the method for detecting infrared light curtain, the method for generating infrared light curtain |
| WO2022057080A1 (en) * | 2020-09-15 | 2022-03-24 | 深圳市奥拓电子股份有限公司 | Interactive cob display module and led display screen |
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Application publication date: 20170208 |
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