CN105373754A - Information interaction method and information interaction system - Google Patents
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- CN105373754A CN105373754A CN201410432964.3A CN201410432964A CN105373754A CN 105373754 A CN105373754 A CN 105373754A CN 201410432964 A CN201410432964 A CN 201410432964A CN 105373754 A CN105373754 A CN 105373754A
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- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
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Abstract
The invention provides an information interaction method and an information interaction system. The method comprises the steps of generating at least one element composed of single row or single column of geometric figure elements, wherein the at least one element is related to the information of an electronic display screen or the information related to the broadcast content of the electronic display screen; displaying the at least one element on at least one edge part of the upper, lower, left and right edge parts of the display region of the electronic display screen; a user normally viewing the image of the at least one element on the electronic display screen by means of the image unit of a mobile terminal; processing the image contained at least one element of all elements; and decoding the at least one element according to a preset rule to obtain the information related to the electronic display screen or the information related to the broadcast content of the electronic display screen. Based on the invention, a user can scan a two-dimensional code at a normal viewing distance, so that the operation experience of the user is greatly improved.
Description
Technical field
The present invention relates to information interacting method and information interaction system, especially, relate to the information interacting method and information interaction system that allow user mutual at a distance.
Background technology
Nowadays, Quick Response Code is widely used in daily life.Such as, TV screen or billboard can strengthen the interaction with spectators by two-dimensional code display.
But, Quick Response Code (such as QR code) shown on the display screens such as current TV screen or billboard is all a certain position (such as the lower right corner) being arranged on screen, if the size of Quick Response Code is less, then need spectators by mobile device (such as smart mobile phone etc.) near TV screen or billboard to carry out barcode scanning, very inconvenient in use.If increased to by the area of Quick Response Code very large, valuable effective display area will inevitably be sacrificed again.
In some cases, shown Quick Response Code and user apart from each other, such as outdoor advertising column etc., and user near shown Quick Response Code, thus cannot not scan this Quick Response Code by mobile device, affects the operating experience of user.
Therefore, information interacting method and information interaction system solve the problems referred to above easily to need to provide one.
Summary of the invention
For solving the problem, the invention provides a kind of information interacting method and information interaction system.
The invention provides a kind of information interacting method, for the information interaction between the electronic curtain and user of substantial rectangular, the method comprises: generate at least one yard of figure be made up of single or single-row geometric figure code element, and described at least one yard of figure is associated with described electronic curtain or relevant with the information that the content that described electronic curtain is play is associated; Described at least one yard of figure be shown at least one marginal portion in the upper rim of the viewing area of electronic curtain, lower limb part, left hand edge part and right hand edge part according to predetermined rule; Described user takes the image in the region described electronic curtain comprising all described at least one yard of figure at normal viewing distance by the image unit of mobile terminal; Process described image, described process comprises acquisition all described at least one yard of figure; And according to described at least one code figure of described predetermined rule decoding, to obtain the described information being associated with described electronic curtain or being associated with the content that described electronic curtain is play.
The invention provides a kind of information interaction system, this system comprises: electronic curtain, and described electronic curtain is essentially rectangle, for the information interaction between user; Mobile terminal; Code figure generating apparatus, described generating apparatus generates at least one yard of figure be made up of single or single-row geometric figure code element, and described at least one yard of figure is associated with described electronic curtain or relevant with the information that the content that described electronic curtain is play is associated; Display control unit, described at least one yard of figure to be shown at least one marginal portion in the upper rim of the viewing area of electronic curtain, lower limb part, left hand edge part and right hand edge part according to predetermined rule by described display control unit, wherein, described user takes the image in the region described electronic curtain comprising all described at least one yard of figure at normal viewing distance by the image unit of described mobile terminal; Treating apparatus, image described in described treating apparatus process, obtains all described at least one code figure; And decoding device, described decoding device according to described at least one code figure of described predetermined rule decoding, to obtain the described information being associated with described electronic curtain or being associated with the content that described electronic curtain is play.
Information interacting method of the present invention and information interaction system can allow user to carry out barcode scanning at normal viewing distance to Quick Response Code, achieve remote barcode scanning interactive, greatly improve the operating experience of user.
Accompanying drawing explanation
By referring to illustrating that the present invention may be better understood to embodiment of the present invention, in the accompanying drawings:
Fig. 1 is the indicative flowchart of the information interacting method according to embodiment of the present invention;
Fig. 2 is the schematic diagram be presented at by code figure according to embodiment of the present invention on electronic curtain;
Fig. 3 a-Fig. 3 c is the code graph code version schematic diagram according to embodiment of the present invention; And
Fig. 4 is the schematic diagram of the information interaction system according to embodiment of the present invention.
Embodiment
In the following description, in order to reach purpose of explanation there to be a comprehensively understanding to the present invention, set forth a large amount of details, but, clearly, to those skilled in the art, also can the present invention be realized without the need to these details.In other examples, known construction and device is shown in square frame chart.In this respect, the illustrative example embodiment of lifting, only in order to illustrate, does not cause restriction to the present invention.Therefore, protection scope of the present invention not limit by above-mentioned specific embodiments, is only as the criterion with the scope of appending claims.
With reference to Fig. 1, according to the indicative flowchart of the information interacting method 100 of embodiment of the present invention shown in it.Information interacting method 100 is for the information interaction between the electronic curtain and user of substantial rectangular, and the method 100 comprises: generate at least one yard of figure (step 10), show at least one code figure (step 30) described in described at least one code figure (step 20), shooting, obtain whole described at least one code figure and process at least one code figure (step 50) described in (step 40) and decoding.
Wherein, electronic curtain can be indoor display screen curtain, as TV screen or indoor electronic billboard etc., also can be large-scale outdoor signboard.Particularly, according to information interacting method 100, first generate at least one yard of figure be made up of single or single-row geometric figure code element, described at least one yard of figure is associated with electronic curtain or relevant with the information that the content that electronic curtain is play is associated; Then, according to predetermined rule, at least one yard of figure is shown at least one marginal portion in the upper rim of the viewing area of electronic curtain, lower limb part, left hand edge part and right hand edge part; Subsequently, user comprises the image in a region of all at least one yard of figure on normal viewing distance shooting electronic curtain by the image unit of mobile terminal; Then, process described image, described process comprises acquisition all at least one yard of figure; Finally, according to predetermined rule decode at least one yard figure, to obtain the described information being associated with electronic curtain or being associated with the content that electronic curtain is play.
Those skilled in the art will readily understand, the number of yard figure and its display position on electronic curtain can be adjusted according to actual needs.Such as, multiple yards of figure can be placed on arbitrary marginal portion of electronic curtain in the mode be spaced apart from each other, or be placed on the different marginal portions of electronic curtain respectively by multiple yards of figure, the present invention is not as limit.In preferred embodiments, generate two code figure in step 10, and in step 20 described two code figure are shown on the different marginal portion of in the upper rim of the viewing area of electronic curtain, lower limb part, left hand edge part and right hand edge part two.In other embodiments, generate three or four code figure in step 10, and on three that in step 20 described three or four code figure are shown in the upper rim of the viewing area of electronic curtain, lower limb part, left hand edge part and right hand edge part or four different marginal portions.
As shown in Figure 2, illustrated therein is a kind of embodiment of the present invention, wherein generate four code figure and these four code figure are separately positioned on four marginal portions of electronic curtain.In addition, with reference to Fig. 1, step 20 can comprise on the roughly middle part of the different marginal portion of in upper rim, lower limb part, left hand edge part and the right hand edge part two code figure being shown in the viewing area of electronic curtain two.See figures.1.and.2, step 20 can comprise on the roughly middle part of in upper rim, lower limb part, left hand edge part and the right hand edge part three or four code figure being shown in the viewing area of electronic curtain three or four different marginal portions.But those skilled in the art will readily understand, the position of code figure can be arranged on any position of electronic curtain, such as, near corner.
In addition, it is easily understood that the scope of the marginal portion of electronic curtain can sets itself as required.Such as, the height of upper rim or lower limb part can be less than 1/7 of the height of electronic curtain, and the width of left hand edge part or right hand edge part can be less than 1/7 of the width of electronic curtain.But the present invention is not as limit, those skilled in the art can adjust.Such as, the height of upper rim or lower limb part can be less than 1/10 of the height of the viewing area of electronic curtain, and the width of left hand edge part or right hand edge part can be less than 1/10 of the width of the viewing area of electronic curtain.Further, in preferred embodiments, the height of upper rim and lower limb part can be equal, and the width of left hand edge part and right hand edge part can be equal.In further embodiment, the height of upper rim and lower limb part can be equal, and the width of left hand edge part and right hand edge part can be equal, meanwhile, the height of upper rim and lower limb part equals the width of left hand edge part and right hand edge part.
In actual applications, user can by mobile terminal with server or specify network address to communicate, thus obtaining with after the information being associated or being associated with the content that electronic curtain is play with electronic curtain, can perform the operation that this information characterizes.In embodiments, mobile terminal, server can be intercoupled by communication network.
Code figure is herein made up of the information word of coding (" code element " namely alleged by this paper), particularly, code figure can be made up of single or single-row geometric figure code element, described code element can have any shape (as circle, ellipse, rectangle, triangle, polygon, irregular figure etc.), color, can carry out coding/decoding process according to the shape of code element, color and residing position.In embodiments, code element can be monochromatic, also can be colored, can have different geometric characteristic, also can have identical geometric characteristic, can also be letter or symbol.In other embodiments, same code element can also be set to the combination of multiple color, such as code element is concentric circles figure, at least one in inner circle and cylindrical can be colored, when inner circle and cylindrical are all colored, the color of the two can be the same or different, or inner circle and cylindrical not painted.In addition, in same code figure, the size of code element also can change, and such as, multiple code element is all rectangle, but its width is change.The present invention is not limited in this regard, and those skilled in the art can arrange the shape of code element, color, pattern, size and position etc. residing in code figure as required flexibly.
In addition, for improving security, the process of Error Correction of Coding and mask can be carried out in an encoding process.In embodiments, code figure can have two regions, i.e. functional graphic district and code area.Functional graphic district comprises the information such as locating information, version information, error-correction level, and code area comprises data and error correction code word, can according to coded data determination coded system, version information, error-correction level.Wherein, the common code element of in code figure can be appointed as finger URL, thus be contained in wherein by locating information, also can arrange special finger URL in code figure, namely its function is location and does not provide other information.The version of aforementioned version information prompting coding, according to code graph code version schematic diagram of the present invention shown in Fig. 3 a-Fig. 3 c.As shown in Figure 2, four code figure are distributed with in the rectangle frame surrounding of electronic curtain, have 16 code elements, wherein go up the solid painted code element of the first triangle from left to right in code figure and the hollow not painted code element of the first triangle from left to right in lower code figure and be used as functional areas, all the other 14 code elements are used as code area.
Code figure can be located by finger URL included in code figure, also can be located by the frame of code figure itself, can also be located by the border of electronic curtain.When the finger URL included by being schemed by code carrys out alignment code figure, in the embodiment depicted in fig. 1, step 40 can comprise the code element being set to finger URL by least one in the whole code element of identification and locates at least one yard of figure.When the frame by code figure itself carrys out alignment code figure, in the embodiment depicted in fig. 1, step 40 can comprise and locates at least one yard of figure by the frame of identification at least one yard of figure itself (simultaneously see Fig. 2).When alignment code figure is carried out on the border by electronic curtain, in the embodiment depicted in fig. 1, step 40 can comprise and locates at least one yard of figure by least one in upper and lower, the border, left and right of the viewing area of identification electronic curtain.Those skilled in the art will readily understand, the location of the code figure described in the present invention is not limited with foregoing, and the combination of aforesaid way or other modes can also be adopted to have come the location of yard figure.
In the embodiment depicted in fig. 1, step 40 can also comprise the version determining at least one yard of figure, and this at least one comprising in the whole code element of identification is set to the code element of version indicator.In further embodiment, step 40 can also comprise the error-correction level confirming at least one yard of figure, and this at least one comprising in the whole code element of identification is set to the code element of error-correction level designator.
With reference to Fig. 4, according to the schematic diagram of information interaction system 400 of the present invention shown in it.Information interaction system 400 is for realizing various information interacting method disclosed in this invention, and this system 100 comprises: electronic curtain 401, mobile terminal 402, code figure generating apparatus 403, display control unit 404, treating apparatus 405 and decoding device 406.Particularly, electronic curtain 401 is essentially rectangle, for the information interaction between user; Code figure generating apparatus 403 generates at least one yard of figure be made up of single or single-row geometric figure code element, and at least one yard of figure is associated with electronic curtain 401 or relevant with the information that the content that electronic curtain 401 is play is associated; At least one yard of figure is shown at least one marginal portion in the upper rim of the viewing area of electronic curtain 401, lower limb part, left hand edge part and right hand edge part by display control unit 404 according to predetermined rule; Wherein, user comprises the image in a region of all at least one yard of figure on normal viewing distance shooting electronic curtain 401 by the image unit of mobile terminal 402; Treating apparatus 405 processes described image, obtains all at least one code figure; Decoding device 406 according to predetermined rule decode at least one yard figure, to obtain the information being associated with electronic curtain 401 or being associated with the content that electronic curtain 401 is play.
In further embodiment, information interaction system 400 can also comprise locating device (not shown), and at least one yard of figure located by described locating device, and at least one wherein in the whole code element of locating device identification is set to the code element of finger URL.In other embodiments, the frame of locating device identification at least one yard of figure itself.In another embodiment, at least one in upper and lower, the border, left and right of the viewing area of locating device identification electronic curtain 401.
In further embodiment, information interaction system 400 can also comprise version determining device (not shown), described version determining device determines the version of at least one yard of figure, and at least one wherein in the whole code element of version determining device identification is set to the code element of version indicator.
In further embodiment, information interaction system 400 can also comprise error-correction level and confirm device (not shown), described error-correction level confirms that device confirms the error-correction level of at least one yard of figure, wherein error-correction level confirm in the whole code element of device identification at least one be set to the code element of error-correction level designator.
What those skilled in the art will readily understand is, mentionedly in this article show at least one yard of figure according to predetermined rule and can carry out showing and/or decoding for the counter clockwise direction along upper rim, left hand edge part, lower limb part and right hand edge part, or carry out showing and/or decoding along the clockwise direction of upper rim, right hand edge part, lower limb part and left hand edge part.But the present invention is not as limit, and those skilled in the art can arrange aforementioned predetermined rule according to actual needs flexibly, such as with non-sequential and meet certain display of specifying the mode of rule to carry out and/or decoding, as first up and down after left and right etc.
Normal viewing distance described in this article meets people's general viewing distance in daily life, in embodiments, this viewing distance can be 1 to 10 times of the catercorner length of the viewing area of electronic curtain, also can be 1.5 to 4 times of the catercorner length of the viewing area of electronic curtain.
Compare existing small size, high density Quick Response Code, information interacting method of the present invention and information interaction system utilize low-density code figure to allow user to carry out barcode scanning at normal viewing distance to Quick Response Code, achieve remote barcode scanning interactive, greatly improve the operating experience of user.
Although describe several exemplary above with details, but disclosed embodiment is only exemplary and nonrestrictive, and those skilled in the art will easily recognize, other amendments a lot, change and/or replacement are possible in an exemplary embodiment, and essence does not depart from novel teachings of the present disclosure and advantage.Therefore, all such modifications, change and/or replace intention be included in as appended claims in the scope of the present disclosure of limiting.
Claims (34)
1. an information interacting method, for the information interaction between the electronic curtain and user of substantial rectangular, the method comprises:
Generate at least one yard of figure be made up of single or single-row geometric figure code element, described at least one yard of figure is associated with described electronic curtain or relevant with the information that the content that described electronic curtain is play is associated;
Described at least one yard of figure be shown at least one marginal portion in the upper rim of the viewing area of electronic curtain, lower limb part, left hand edge part and right hand edge part according to predetermined rule;
Described user takes the image in the region described electronic curtain comprising all described at least one yard of figure at normal viewing distance by the image unit of mobile terminal;
Process described image, described process comprises acquisition all described at least one yard of figure; And
According to described at least one code figure of described predetermined rule decoding, to obtain the described information being associated with described electronic curtain or being associated with the content that described electronic curtain is play.
2. the method for claim 1, wherein, the step of at least one yard of figure that described generation is made up of single or single-row geometric figure code element comprises generation two code figure, and wherein, described at least one yard of figure is shown in the described upper rim of the viewing area of electronic curtain, described lower limb part, step at least one in described left hand edge part and described right hand edge part also comprises the described upper rim described two code figure being shown in the viewing area of described electronic curtain, described lower limb part, on two in described left hand edge part and described right hand edge part different marginal portions.
3. the method for claim 1, wherein, the step of at least one yard of figure that described generation is made up of single or single-row geometric figure code element comprises generation three or four code figure, and wherein, described at least one yard of figure is shown in the described upper rim of the viewing area of electronic curtain, described lower limb part, step at least one in described left hand edge part and described right hand edge part also comprises the described upper rim described three or four code figure being shown in the viewing area of described electronic curtain, described lower limb part, on three in described left hand edge part and described right hand edge part or four different marginal portions.
4. the method for claim 1, the height of described upper rim or described lower limb part is less than 1/7 of the height of described electronic curtain.
5. the method for claim 1, the width of described left hand edge part or described right hand edge part is less than 1/7 of the width of described electronic curtain.
6. the method for claim 1, the height of described upper rim or described lower limb part is less than 1/10 of the height of the viewing area of described electronic curtain.
7. the method for claim 1, the width of described left hand edge part or right hand edge part is less than 1/10 of the width of the viewing area of described electronic curtain.
8. the method as described in claim 4,5,6 or 7, wherein, the height of described upper rim and described lower limb part is equal, and the width of described left hand edge part and described right hand edge part is equal.
9. the method as described in claim 4,5,6 or 7, the height of described upper rim and described lower limb part is equal, and the width of described left hand edge part and described right hand edge part is equal, and the height of described upper rim and described lower limb part equals the width of described left hand edge part and described right hand edge part.
10. the method for claim 1, also comprises:
Described user by mobile terminal with server or specify network address to communicate, to perform the operation that the described information that is associated with described electronic curtain or is associated with the content that described electronic curtain is play characterizes;
Wherein, described mobile terminal, described server are intercoupled by communication network.
11. the method for claim 1, the step processing described image also comprises:
Described at least one code figure in location, at least one comprising in the whole code element of identification of described location is set to the code element of finger URL.
12. the method for claim 1, the step processing described image also comprises:
Described at least one code figure in location, described location comprises the frame of at least one yard of figure described in identification itself.
13. the method for claim 1, the step processing described image also comprises:
Described at least one code figure in location, described location comprises at least one in upper and lower, the border, left and right of the viewing area of electronic curtain described in identification.
14. the method for claim 1, the step processing described image also comprises:
Determine the version of described at least one yard of figure, describedly determine the code element that at least one comprising in the whole code element of identification is set to version indicator.
15. the method for claim 1, the step processing described image also comprises:
Confirm the error-correction level of described at least one yard of figure, at least one comprising in the whole code element of identification of described confirmation is set to the code element of error-correction level designator.
16. the method for claim 1, wherein said predetermined rule is carry out showing and/or decoding along the counter clockwise direction of described upper rim, described left hand edge part, described lower limb part and described right hand edge part, or carries out showing and/or decoding along the clockwise direction of described upper rim, described right hand edge part, described lower limb part and described left hand edge part.
17. methods as claimed in claim 2, wherein, the step be shown in by described two code figure on the different marginal portion of in the described upper rim of the viewing area of described electronic curtain, described lower limb part, described left hand edge part and described right hand edge part two comprises on the roughly middle part of the different marginal portion of two of to be shown in by described two code figure in the described upper rim of the viewing area of described electronic curtain, described lower limb part, described left hand edge part and described right hand edge part.
18. methods as claimed in claim 3, wherein, the step described three or four code figure are shown in the described upper rim of the viewing area of described electronic curtain, described lower limb part, described left hand edge part and described right hand edge part three or four different marginal portions comprise described three or four code figure be shown in the described upper rim of the viewing area of described electronic curtain, described lower limb part, described left hand edge part and described right hand edge part three or four different marginal portions roughly middle part on.
19. the method for claim 1, wherein described normal viewing distance be 1 to 10 times of the catercorner length of the viewing area of described electronic curtain.
20. methods as claimed in claim 19, wherein, described normal viewing distance is 1.5 to 4 times of the catercorner length of the viewing area of described electronic curtain.
21. the method for claim 1, wherein described geometric figure code element comprise colored geometric figure code element.
22. the method for claim 1, wherein described geometric figure code element comprise letter or symbol geometric figure code element.
23. 1 kinds of information interaction systems, this system comprises:
Electronic curtain, described electronic curtain is essentially rectangle, for the information interaction between user;
Mobile terminal;
Code figure generating apparatus, described code figure generating apparatus generates at least one yard of figure be made up of single or single-row geometric figure code element, and described at least one yard of figure is associated with described electronic curtain or relevant with the information that the content that described electronic curtain is play is associated;
Display control unit, described at least one yard of figure to be shown at least one marginal portion in the upper rim of the viewing area of electronic curtain, lower limb part, left hand edge part and right hand edge part according to predetermined rule by described display control unit, wherein, described user takes the image in the region described electronic curtain comprising all described at least one yard of figure at normal viewing distance by the image unit of described mobile terminal;
Treating apparatus, image described in described treating apparatus process, obtains all described at least one code figure; And
Decoding device, described decoding device according to described at least one code figure of described predetermined rule decoding, to obtain the described information being associated with described electronic curtain or being associated with the content that described electronic curtain is play.
24. systems as claimed in claim 23, wherein, described code figure generating apparatus generates two code figure, and described two code figure are shown on the different marginal portion of in the described upper rim of the viewing area of described electronic curtain, described lower limb part, described left hand edge part and described right hand edge part two by described display control unit.
25. systems as claimed in claim 23, wherein, described code figure generating apparatus generates three or four code figure, and described three or four code figure are shown in the described upper rim of the viewing area of described electronic curtain, described lower limb part, described left hand edge part and described right hand edge part three or four different marginal portions by described display control unit.
26. systems as claimed in claim 23, wherein said user by mobile terminal with server or specify network address to communicate, to perform the operation that the described information that is associated with described electronic curtain or is associated with the content that described electronic curtain is play characterizes; Wherein, described mobile terminal, described server are intercoupled by communication network.
27. systems as claimed in claim 23, also comprise:
Locating device, described at least one code figure in described locating device location, at least one in the whole code element of wherein said locating device identification is set to the code element of finger URL.
28. systems as claimed in claim 23, also comprise:
Locating device, described described at least one code figure in locating device location, the frame of at least one yard of figure itself described in wherein said locating device identification.
29. systems as claimed in claim 23, also comprise:
Locating device, described at least one code figure in described locating device location, at least one in upper and lower, the border, left and right of the viewing area of electronic curtain described in wherein said locating device identification.
30. systems as claimed in claim 23, also comprise:
Version determining device, described version determining device determines the version of described at least one yard of figure, and wherein, at least one in the whole code element of described version determining device identification is set to the code element of version indicator.
31. systems as claimed in claim 23, also comprise:
Error-correction level confirms device, and described error-correction level confirms that device confirms the error-correction level of described at least one yard of figure, wherein, described error-correction level confirm in the whole code element of device identification at least one be set to the code element of error-correction level designator.
32. systems as claimed in claim 23, wherein said predetermined rule is carry out showing and/or decoding along the counter clockwise direction of described upper rim, described left hand edge part, described lower limb part and described right hand edge part, or carries out showing and/or decoding along the clockwise direction of described upper rim, described right hand edge part, described lower limb part and described left hand edge part.
33. systems as claimed in claim 23, wherein, described geometric figure code element comprises colored geometric figure code element.
34. systems as claimed in claim 23, wherein, described geometric figure code element comprises letter or symbol geometric figure code element.
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CN201410432964.3A CN105373754A (en) | 2014-08-28 | 2014-08-28 | Information interaction method and information interaction system |
PCT/CN2015/088267 WO2016029860A1 (en) | 2014-08-28 | 2015-08-27 | Information interaction method and information interaction system |
HK16110187.4A HK1222022A1 (en) | 2014-08-28 | 2016-08-26 | Information interaction method and information interaction system |
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CN107301367A (en) * | 2017-05-31 | 2017-10-27 | 深圳Tcl数字技术有限公司 | Distance detection and display methods, terminal, display device and storage medium |
CN108984072A (en) * | 2018-06-29 | 2018-12-11 | 北京优屏科技服务有限公司 | Static interaction advertisement implementation method and system |
Also Published As
Publication number | Publication date |
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HK1222022A1 (en) | 2017-06-16 |
WO2016029860A1 (en) | 2016-03-03 |
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