CN103279232B - A kind of showcase interaction device and interactive implementation thereof - Google Patents
A kind of showcase interaction device and interactive implementation thereof Download PDFInfo
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- CN103279232B CN103279232B CN201210225022.9A CN201210225022A CN103279232B CN 103279232 B CN103279232 B CN 103279232B CN 201210225022 A CN201210225022 A CN 201210225022A CN 103279232 B CN103279232 B CN 103279232B
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Abstract
The invention discloses a kind of showcase interaction device, including at least two pieces of photosensitive touch screens, positioning units, described positioning unit is for determining pointed article according to the location coordinate information pointing to described in the light penetration of article at least two breakthrough point that at least two pieces of photosensitive touch screens are formed.In the interactive process using showcase interaction device of the present invention, it is only necessary to light is pointed to it should be understood that article, described display just can show it should be understood that the relevant information of article, is truly realized convenient directly interaction.
Description
Technical field
The present invention relates to flat panel display, particularly to a kind of showcase interaction device and interactive implementation thereof.
Background technology
Various department stores, market and sales field etc., for campaign material and advertising campaign, all can provide a large amount of
Sales promotion personnel for consumer introduce Item Information with reach publicize sales promotion purpose, but long term maintenance is a large amount of
Sales promotion personnel need the highest human cost.It is complete that the showcase interaction device occurred at present can substitute for sales promotion personnel
Become part objects informative presentations function and the function of publicity sales promotion, show window interactive with its can and consumer interaction,
Can provide the most targetedly information and of increased attention.
As it is shown in figure 1, traditional showcase interaction device 100 includes transparent display 101, touch screen
102 and locating unit 103, described touch screen 102 is placed on described transparent display 101 near consumer
Side, through described touch screen 102 it can be seen that on described transparent display 101 display information.Institute
State positioning unit 103 and connect touch screen 102 and transparent display 101.
In the show window being provided with showcase interaction device 100, display have article A, article B, article C and
Article D etc., contain described article A, article B, article C and article at described positioning unit 103 internal memory
The relevant information of the article such as D, shows corresponding article A, article B, thing on described transparent display 101
The icon of the article such as product C and article D: icon A, icon B, icon C and icon D etc..Work as consumer
To when certain part article A of display is interested inside show window, the figure of display on transparent display 101 can be touched
The position that mark A is corresponding on touch screen 102, described positioning unit 103 is touched according to institute's touch screen 102
The position touched, determine consumer it is to be understood that article be article A, positioning unit 103 can by article A's
Relevant information is transferred to transparent display 101, and Transparence Display 101 can show the relevant information of described article A.
So, the relevant information of corresponding article just can be understood by point touching article icon by consumer, with
This realizes display content and the interaction of consumer.
This showcase interaction device, because dynamic image mode, more can attract the attention of consumer, its advertisement
The effect of publicity is more preferable, but in actual applications, still suffers from inconvenience and the puzzlement of many.Such as, to one
For not touching the new consumer of experience, it is impossible to the most skilled operation touch screen, for consumers,
The process of skilled touch operation needs the ancillary cost time.For another example, if inside show window display article number
When measuring more, the corresponding article icon on corresponding transparent display also can compare many, and consumer needs
Numerous article icons find the article icon of needs, find icon for consumer uninteresting time-consumingly, reduce
The consumer interest to article.The most numerous article figure rotating savings occupies the bulk area of transparent display,
Transparent display is reduced for the effective area showing Item Information.To sum up, traditional show window interaction dress
Putting for consumers, it is the most convenient to use, and interaction is the most direct.
Summary of the invention
The present invention provides a kind of showcase interaction device and interactive implementation thereof, to solve to use in prior art
Inconvenient and interactive roundabout technical problem.
For solving above-mentioned technical problem, the present invention provides a kind of showcase interaction device, it is characterised in that including:
At least two pieces of photosensitive touch screens, positioning units, described positioning unit is for according to the light penetration pointing to article
The location coordinate information of at least two breakthrough point that described at least two pieces of photosensitive touch screens are formed determines pointed
Article.
Optionally, described positioning unit includes coordinate collecting circuit and analysis processor, wherein,
Described coordinate collecting circuit is used for collecting at least two pieces of photosensitive touch screen breakthrough points described in described light penetration
Location coordinate information, and by the transmission of described location coordinate information to described analysis processor；
Described analysis processor is for being analyzed determining pointed thing according to described location coordinate information
Product.
Optionally, also include display, for showing the information of pointed article.
Optionally, described display is nontransparent display.
Optionally, described display is transparent display.
Optionally, described display is arranged on described light penetration path.
Optionally, described at least two pieces of photosensitive touch screens are arranged at the both sides of described display.
Optionally, described at least two pieces of photosensitive touch screens are arranged at the same side of described display.
Optionally, also include light pen, described in go out light pen can for sending the photosensitive touch screen of described at least two
The light of sensing is to point to respective articles.
The interactive implementation of a kind of corresponding showcase interaction device, including:
The photosensitive touch screen of light penetration at least two pieces of article in sensing show window, respectively at described at least two blocks of light
Breakthrough point is formed on quick touch screen；
Location coordinate information according to described breakthrough point goes out the article pointed by light pen described in determining.
Optionally, the described location coordinate information according to breakthrough point determine described in go out the article bag pointed by light pen
Include:
Collect the location coordinate information of described breakthrough point；
Determine the coordinate of article pointed by described light according to described location coordinate information, thus position this article.
Optionally, the information of described article transmitted to display and show.
Optionally, described display is nontransparent display.
Optionally, described display is transparent display.
Optionally, described display is arranged on described light penetration path.
Optionally, described at least two pieces of photosensitive touch screens are arranged at the both sides of described display.
Optionally, described at least two pieces of photosensitive touch screens are arranged at the same side of described display.
The present invention uses out the photosensitive touch screen of light penetration at least two pieces of light pen, and coordinate collecting circuit can obtain
Obtaining the coordinate of at least two breakthrough point and pass to analysis processor, analysis processor is by least two breakthrough point
Determined by straight line determine the object pointed by light, then the relevant information of article pointed by light is transmitted extremely
Display.In said process, consumer has only to press out the switch of light pen, and the light using light pen points to
It should be understood that article, showcase interaction device be just capable of determining that consumer it should be understood that article and by described
The information of article is shown on display, thus realizes showing content and the interaction of consumer.Consumer is not required to
Want the using method of skilled touch screen, it is not required that find it should be understood that the icon of article, it is only necessary to light will be gone out
The light of pen point to it should be understood that article, described display just can show it should be understood that the relevant letter of article
Breath, is truly realized convenient the most interactive.
Accompanying drawing explanation
Fig. 1 is the structural representation of traditional showcase interaction device；
Fig. 2 is the structural representation of showcase interaction device in the embodiment of the present invention one；
Fig. 3 is the structural representation of the optical touch screen in the embodiment of the present invention one；
Fig. 4 is the fundamental diagram of showcase interaction device in the embodiment of the present invention one；
Fig. 5 is the structural representation of showcase interaction device in the embodiment of the present invention two；
Fig. 6 is the structural representation of showcase interaction device in the embodiment of the present invention three；
Fig. 7 is the structural representation of showcase interaction device in the embodiment of the present invention four.
Detailed description of the invention
The core concept of the present invention is, arranges at least two pieces of photosensitive touch screens and go out in showcase interaction device
Light pen, when the light going out light pen transmitting points to the article in show window through described at least two pieces of photosensitive touch screens,
Described optical touch screen can perceive the position of described light penetration point, and the position coordinates of described breakthrough point
Information is transferred to positioning unit, and positioning unit is according to described in light penetration at least two pieces photosensitive touch screen breakthrough points
Location coordinate information determine described in go out the article pointed by light pen.Consumer has only to press out opening of light pen
Close, use light pen light point to it should be understood that article, showcase interaction device is just capable of determining that consumer
It should be understood that article and the information of described article is shown on display, thus realize showing content and disappearing
The interaction of the person of expense.In above-mentioned interactive process, consumer need not the using method of skilled touch screen, the most not
Need to find it should be understood that the icon of article, it is only necessary to the light that will go out light pen point to it should be understood that article,
Described display just can show it should be understood that the relevant information of article, is truly realized convenient the most interactive.
In order to make the purpose of the present invention, technical scheme and advantage are clearer, come below in conjunction with the accompanying drawings further
Elaborate.
Embodiment one
As in figure 2 it is shown, the showcase interaction device 200 of the present embodiment includes: the first photosensitive touch screen 201
Two optical touch screens 203 and positioning unit 204, wherein, positioning unit 204 includes coordinate collecting circuit 206 He
Analysis processor 207.Showcase interaction device 200 also includes transparent display 202 and goes out light pen 205, wherein
Transparent display 202, for showing the information of pointed article, goes out light pen 205 described photosensitive tactile for sending
Touch and shield the light that can sense to point to respective articles.
As in figure 2 it is shown, the first photosensitive touch screen 201 and the second optical touch screen 203 be arranged in parallel and distinguish position
In the both sides of transparent display 202, and the first photosensitive touch screen 201 and the second optical touch screen 203 are with described
Transparent display 202 is parallel.First photosensitive touch screen the 201, second optical touch screen 203 and transparent display
202 are placed in parallel, and are the most space-saving when arranging structure.Certainly, in order to adapt to the special construction of show window,
The positional structure of described first photosensitive touch screen the 201, second optical touch screen 203 and transparent display 202 does not limits
In being placed in parallel.
The photosensitive touch screen that in the present embodiment, the first photosensitive touch screen 201 and the second optical touch screen 203 are used
For can realize the touch screen of touch function according to external irradiation.Fig. 3 is the structural representation of optical touch screen,
As it is shown on figure 3, optical touch screen includes array basal plate, described array base palte includes multi-strip scanning line 211,
Limit with scan line 211 cross arrangement a plurality of data lines 212 and by described scan line 211 and data wire 212
Fixed photosensitive region 213.Light-sensitive element 214, switch element 215 it is formed with in described photosensitive region 213
And charge storage elements 216.One end of light-sensitive element 214 is connected to charge storage elements 216, photosensitive unit
The other end of part 214 is connected to scan line 211.When the scan line 211 being connected to switch element 215 is applied
During voltage, charge storage elements 216 is charged to the data wire 212 that switch element 215 connected to be provided
Voltage.When incidence of external light to photosensitive region, after light-sensitive element 214 is illuminated, have electric current stream
Through light-sensitive element 214.When light-sensitive element 214 shines according to exterior light and turns on, it is stored in charge storage elements
Electric charge in 216 is leaked to scan line 211 as leakage current.By measuring detection charge storage elements 216
Whether the photosensitive region 213 that electricity can determine receives external irradiation, it may be determined that go out which photosensitive region
Receive irradiation, so that it is determined that the position coordinates of exposure point.Certainly, the present invention is not to optical touch screen
Structure specifically limits, and other can realize the touch screen of touch function according to external irradiation and all may be used on this
In invention.
Matching used with above-mentioned optical touch screen also have light pen.The light pen 205 that goes out in the present embodiment includes pen
Body, power supply, switch and light-emitting component, wherein said light-emitting component can launch visible ray.Described go out light pen
The frequency of 205 light sent should the induction frequencies scope of light-sensitive element 214 in described photosensitive touch screen
In, i.e. go out the light that light pen sent and want to change because playing the electric current of light-sensitive element 214.
Above-mentioned photosensitive touch screen and go out light pen and broadly fall into prior art, is the common knowledge of those skilled in the art,
Therefore above-mentioned photosensitive touch screen and the operation principle going out light pen are not elaborated at this.
Below in conjunction with detailed to the interactive implementation of the showcase interaction device in the embodiment of the present invention one of Fig. 4
Process is described in detail.
As shown in Figure 4, transparent display 202 is placed at show window mouth, described first photosensitive touch screen 201
The distance of centre-to-centre spacing show window mouth (i.e. the center of transparent display 202) be d1, the second photosensitive touch screen 203
The distance of centre-to-centre spacing show window mouth (i.e. the center of transparent display 202) be d2, the article of display in show window
The distance of centre distance show window mouth (i.e. the center of transparent display 202) be D.In the present embodiment,
The coordinate system in Fig. 4 such as that sets of coordinate system identifies shown in 208, if the position O of show window mouth is x, and z coordinate
Initial point in system.In analysis processor 207, the information of storage includes: the ginseng of displayed all items in show window
Examine coordinate information, the reference coordinate information (x of such as article AA,yB, D) and the reference coordinate information of article B
(xB,yB, D) etc., in show window the relevant information of displayed all items, two pieces of photosensitive touch screens away from show window mouth
Distance and each display product distance cupboard window distance D information etc..
In the present embodiment, the interactive process of showcase interaction device is as follows:
First, open out the switch of light pen 205, use light pen 205 and send visible ray, and rotate out light pen
The 205 article A making its light launched display in two pieces of photosensitive touch screens point to show window；When going out light pen
205 two pieces of photosensitive touch screens of light penetration time, photosensitive on the breakthrough point A1 of the first photosensitive touch screen 201
After element is illuminated, conducting can cause storage electric capacity electric discharge, and described coordinate collecting circuit 206 is examined by measurement
Which photosensitive region that the electricity of survey charge storage elements can determine receives external irradiation, so that it is determined that wear
Thoroughly put the position coordinates (x of A11,y1,d1), the most also can determine that the breakthrough point A2 of the second photosensitive touch screen 203
Position coordinates (x2,y2,d2)；
Then, two pieces of photosensitive touch screen breakthrough point A1 and A2 that described coordinate collecting circuit 206 will be collected
Location coordinate information transmission is to described analysis processor 207.Described analysis processor 207 is according to breakthrough point A1
With A2 determined by straight line, in conjunction with in it storage information, utilize similar triangles corresponding sides proportional
Principle, i.e. can determine that the article pointed by light pen.Specifically, the first photosensitive touch screen 201 and the second light
Distance L1 of touch screen 203 can be known according to distance d1 and distance d2, the first photosensitive touch screen 201 and thing
Distance L2 of product A can be known according to distance d1 and distance D, Δ x=| x1-x2|, thus, according to distance L1,
L2 and Δ x can calculate Δ xA, in like manner, can calculate Δ yA, thus know breakthrough point A1 and A2
Determined by straight line be (x at the coordinate information given directions of distance show window window distance D position2-Δ xA,
y2-Δ yA, D), by all items at distance D of interior with analysis processor 207 for this coordinate information storage
Reference coordinate information contrast, when certain article stored in this coordinate information and analysis processor 207
Reference coordinate information consistent, i.e. can determine that pointed by light pen to be exactly these article A.
It follows that the relevant information of article A is transmitted to transparent display 202 by described analysis processor 207,
And control the relevant information that transparent display 202 shows article A.So far, complete out light pen 205 to point to
Article A shows the interactive process of the relevant information of article A to transparent display 202.
The core of the present invention obtains two breakthrough point A1 and A2 by two pieces of photosensitive touch screens of light penetration
Coordinate, is then determined the object pointed by light by straight line determined by two breakthrough point A1 and A2.Permissible
It is understood by, according to 2 principles determining straight line, only it is to be understood that two breakthrough points just would know that out light
Which article that pen is directed to, the above-mentioned one of which merely illustrated under a kind of putting position calculates and determines thing
The method of product A, it is known that, even if the position of the display product in show window and two pieces of photosensitive touch screens and transparent
The mutual alignment of display 202 changes, but as long as the position of display product and two pieces of photosensitive touches
The mutual alignment of screen and transparent display 202 determines that, utilizes above-mentioned principle, by two breakthrough point A1
All can determine that the article pointed by light pen with the coordinate of A2, here is omitted.
Further, since article have certain volume, correspondingly these article of storage in analysis processor 207
Reference coordinate be a scope, even if going out the light that light pen 205 sent to penetrate two pieces of photosensitive touch screens
Time there occurs that some reflect, because the produced error of refraction is all the least in millimeter magnitude, then logical
Cross the coordinate information that straight line determined by two breakthrough points given directions can fall in the reference coordinate scope of these article
In, the most still may determine that out which the article that light pen wants to refer to are.It is, of course, also possible to pass through
The less substrate of refractive index is used to reduce this error as the substrate of photosensitive touch screen.Because photosensitive touch
Screen refractive index be known, in the occasion that precision is the highest, can by index meter calculate reflect with
After light place straight line solve the problems referred to above.
Embodiment two
As it is shown in figure 5, the showcase interaction device 300 in the present embodiment includes: the first photosensitive touch screen 301,
Transparent display the 302, second optical touch screen 303, positioning unit 304 and go out light pen 305, wherein, fixed
Bit location 304 includes coordinate collecting circuit 306 and analysis processor 307.Transparent display 302 is placed on cupboard
At window, the first photosensitive touch screen 301 and the second optical touch screen 303 be arranged in parallel and are positioned at transparent display
The same side of 202, so goes out the light that light pen 305 sends and only have passed through when arriving the second optical touch screen 303
First photosensitive touch screen 301, so can make the light decay when arriving the second optical touch screen 303 minimum,
Ensure that the second optical touch screen 303 can be with actual induction passing to light.
The photosensitive touch screen of the present embodiment, go out light pen and the interactive implementation of showcase interaction device and enforcement
Identical in example one, does not repeats them here.
Embodiment three
As shown in Figure 6, the showcase interaction device 400 in the present embodiment includes: the first photosensitive touch screen 401,
Transparent display the 402, second optical touch screen 403, positioning unit 404 and go out light pen 405, wherein, fixed
Bit location 404 includes coordinate collecting circuit 406 and analysis processor 407.First photosensitive touch screen 401 and
Two optical touch screens 403 be arranged in parallel, and described transparent display 402 is arranged on out the light of light pen 405 will not
On the position of process.Transparent display 402 be arranged on out the light of light pen 405 without going past position on,
Decrease the interference of viewing other article follow-up to consumer after transparent display 402 shows item related information,
Make consumer more convenient, more directly when watching the article of display in show window.
In the present embodiment, because transparent display 402 is not arranged on out the optical link warp of light pen 405
On, therefore, in order to reduce the production cost of showcase interaction device, nontransparent display can be used to replace
Transparent display.
The photosensitive touch screen of the present embodiment, go out light pen and the interactive implementation of showcase interaction device and enforcement
Identical in example one, does not repeats them here.
Embodiment four
As it is shown in fig. 7, the showcase interaction device 500 in the present embodiment includes: the first photosensitive touch screen 501,
Transparent display the 502, second optical touch screen the 503, the 3rd photosensitive touch screen 50, positioning unit 504 and going out
Light pen 505, wherein, positioning unit 504 includes coordinate collecting circuit 506 and analysis processor 507.
Below in conjunction with Fig. 7, the detailed process of the interactive implementation of the showcase interaction device in the present embodiment is entered
Row describes in detail.The described first photosensitive touch screen 501 distance away from show window mouth is d1, the second photosensitive touch screen
503 distances away from show window mouth are d2, and the 3rd photosensitive touch screen 508 distance away from show window mouth is d3, in show window
The article A of the display distance away from show window mouth is D.If the position O of show window mouth is x, initial point in z coordinate system.
In the present embodiment, the interactive process of showcase interaction device is as follows:
First, go out light pen 505 and send visible ray, rotate out light that light pen 505 makes it launch through three pieces
Photosensitive touch screen points to the article A of the display in show window；
When going out three pieces of photosensitive touch screens of light penetration of light pen 505, described coordinate collecting circuit 506 is permissible
Determine the position coordinates (x of the first photosensitive touch screen 501 breakthrough point A11,y1, d1), the second photosensitive touch screen 503
The position coordinates (x of breakthrough point A22,y2, d2) and the position of breakthrough point A3 of the 3rd photosensitive touch screen 508
Coordinate (x3,y3, d3)；
Then, three pieces of photosensitive touch screen breakthrough point A1, A2 that described coordinate collecting circuit 506 will be collected
With the transmission of the location coordinate information of A3 to described analysis processor 507.Analysis processor 507 meeting will be by arbitrarily
The coordinate information that two breakthrough points calculate and the reference seat of displayed all items in the show window of its storage inside
Mark information is compared, and i.e. can determine that the article pointed by light pen.
It follows that described analysis processor 507 is by this item related information transmission to transparent display 502, control
Transparent display 502 processed shows the relevant information of these article.So far, complete out light pen 505 and point to article A
The interactive process of the relevant information of article is shown to transparent display 502.
Use the showcase interaction device of this enforcement, penetrate even if arbitrary photosensitive touch screen breaks down to be given
The position coordinates of point or because other reason is collected less than the position coordinates of a certain breakthrough point, as long as at analysis
Reason device 507 can obtain the coordinate of any two breakthrough point, and whole showcase interaction device 500 just can be normal
Work.
In the present embodiment, transparent display is arranged on out on the opticpath of light pen, it should be appreciated that
Use transparent display or nontransparent display be placed in the region beyond opticpath can also realize above-mentioned mutually
Dynamic process.
It should be noted that each embodiment uses the mode gone forward one by one to describe in this specification, each embodiment
Stress is all the difference with other embodiments, and between each embodiment, identical similar portion is mutual
See.
To sum up, the present invention uses out the photosensitive touch screen of light penetration at least two pieces of light pen, coordinate collecting circuit
Can obtain the coordinate of at least two breakthrough point and pass to analysis processor, analysis processor is by least two
Straight line determined by breakthrough point determines the object pointed by light, then the relevant information by article pointed by light
Transmission is to display.In said process, consumer has only to press out the switch of light pen, uses the light of light pen
Line point to it should be understood that article, showcase interaction device be just capable of determining that consumer it should be understood that article also
The information of described article is shown on display, thus realizes showing content and the interaction of consumer.Upper
Stating in interactive process, consumer need not the using method of skilled touch screen, it is not required that find it should be understood that
The icon of article, it is only necessary to will go out light pen light point to it should be understood that article, described display is the most permissible
Display, it should be understood that the relevant information of article, is truly realized convenient the most interactive.
Obviously, those skilled in the art can carry out various change and modification without deviating from the present invention to invention
Spirit and scope.So, if the present invention these amendment and modification belong to the claims in the present invention and
Within the scope of equivalent technologies, then the present invention is also intended to change and including modification include these.
Claims (13)
1. a showcase interaction device, it is characterised in that including: at least two pieces of photosensitive touch screens, location lists
Unit and display, described positioning unit includes coordinate collecting circuit and analysis processor, and described coordinate is collected
Circuit is for collecting the position coordinates of at least two pieces of photosensitive touch screen breakthrough points described in the light penetration pointing to article
Information, and by described location coordinate information transmission to described analysis processor, described analysis processor is used for root
It is analyzed determining pointed article according to described location coordinate information；Described display is used for showing indication
To the information of article.
2. showcase interaction device as claimed in claim 1, it is characterised in that described display is nontransparent
Display, described display be arranged on described light without going past position on.
3. showcase interaction device as claimed in claim 1, it is characterised in that described display is transparent aobvious
Show device.
4. showcase interaction device as claimed in claim 3, it is characterised in that described display is arranged at institute
State on light penetration path.
5. showcase interaction device as claimed in claim 4, it is characterised in that described at least two pieces photosensitive are touched
Touch screen and be arranged at the both sides of described display.
6. showcase interaction device as claimed in claim 4, it is characterised in that described at least two pieces photosensitive are touched
Touch screen and be arranged at the same side of described display.
7. the showcase interaction device as described in any one of claim 1-6, it is characterised in that also include light pen,
Described go out the light that can sense for sending the photosensitive touch screen of described at least two of light pen to point to respective articles.
8. an interactive implementation for showcase interaction device, including:
The photosensitive touch screen of light penetration at least two pieces of article in sensing show window, respectively at described at least two blocks of light
Breakthrough point is formed on quick touch screen；
Collect the location coordinate information of described breakthrough point；
Determine the coordinate of article pointed by described light according to described location coordinate information, thus position this article；
The information of described article is transmitted to display and shows.
9. the interactive implementation of showcase interaction device as claimed in claim 8, it is characterised in that described
Display is nontransparent display, described display be arranged on described light without going past position on.
10. the interactive implementation of showcase interaction device as claimed in claim 8, it is characterised in that institute
Stating display is transparent display.
The interactive implementation of 11. showcase interaction device as claimed in claim 10, it is characterised in that
Described display is arranged on described light penetration path.
The interactive implementation of 12. showcase interaction device as claimed in claim 11, it is characterised in that
Described at least two pieces of photosensitive touch screens are arranged at the both sides of described display.
The interactive implementation of 13. showcase interaction device as claimed in claim 11, it is characterised in that
Described at least two pieces of photosensitive touch screens are arranged at the same side of described display.
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| CN201210225022.9A CN103279232B (en) | 2012-06-29 | 2012-06-29 | A kind of showcase interaction device and interactive implementation thereof |
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| CN103646587B (en) * | 2013-12-05 | 2017-02-22 | 北京京东方光电科技有限公司 | deaf-mute people |
| CN109782914B (en) * | 2019-01-13 | 2021-04-23 | 吉林大学 | Method for selecting target in virtual three-dimensional scene based on axial rotation of pen-type device |
| CN111738788A (en) * | 2019-06-14 | 2020-10-02 | 北京京东尚科信息技术有限公司 | Article information display method, device, system, equipment and storage medium |
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| JPS6288149A (en) * | 1985-10-14 | 1987-04-22 | Hitachi Ltd | Optical pickup |
| CN1940840A (en) * | 2005-09-26 | 2007-04-04 | 深圳市联思精密机器有限公司 | Optical-touched screen |
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