CN202142049U - Electromagnetic induction interactive electronic white board - Google Patents
Electromagnetic induction interactive electronic white board Download PDFInfo
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- CN202142049U CN202142049U CN201120235774U CN201120235774U CN202142049U CN 202142049 U CN202142049 U CN 202142049U CN 201120235774 U CN201120235774 U CN 201120235774U CN 201120235774 U CN201120235774 U CN 201120235774U CN 202142049 U CN202142049 U CN 202142049U
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- electromagnetic induction
- electronic whiteboard
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Abstract
The utility model relates to an electromagnetic induction interactive electronic white board. The electronic white board comprises a central processing module and a display module in mutual connection, and further comprises an electromagnetic induction input module connected with the central processing module. As the electromagnetic induction interactive electronic white board comprises the electromagnetic induction input module connected with the central processing module, the operation action of a user on the electromagnetic induction interactive electronic white board can be accurately positioned through the electromagnetic induction input module, so as to improve the service efficiency of the electronic white board and ensure the normal proceeding of educations or conferences adopting the electronic white board. The electromagnetic induction interactive electronic white board provided by the utility model has the advantages of a simple structure, a low cost and a wider application range.
Description
Technical field
The utility model relates to e-education and tele-conferencing system technical field, and particularly the electronic whiteboard technical field specifically is meant a kind of electromagnetic induction interactive formula electronic whiteboard.
Background technology
In the modern society, people more and more pay attention to education, and simultaneously, various facilities and the fund put in the education are also more and more.But; Traditional teaching is paid attention to the class in the pattern, often is exactly the blackboard in a classroom, and the classmate who is sitting in the back can't clearly see the literal on the blackboard; Cause eye fatigue; Form easily myopia, simultaneously also can't be complete carry out note taking, so just influenced the efficient and the quality of listening to the teacher greatly.
Along with development of electronic technology, electronic whiteboard has appearred in recent years.Through continuous development for many years, the electronic whiteboard technology has obtained very big progress.On the International or National market of present stage; Multiple interactive electric whiteboard has appearred; It is a kind of advanced person's the auxiliary human-computer interaction device of education and meeting, and it can cooperate instruments such as projector, computer, realizes dust-free writing, arbitrarily writes, function such as long-range interchange.
In existing various interactive electric whiteboards, its locator meams mostly for resistance membrane type electronic whiteboard write more painstaking, when dynamics is not enough; Writing will can not show, thereby need firmly write, thereby cause writing speed slower; In addition, the resistance membrane type also scratches easily, and in case scuffing is arranged; Just can not use, need time-consuming repairing.Therefore, it is impaired that above-mentioned electronic whiteboard exists locating device to be prone to, and the repairing trouble is time-consuming, in repair procedures, and the problem that electronic whiteboard can't continue to use.
The utility model content
The purpose of the utility model is to have overcome above-mentioned shortcoming of the prior art, provide a kind of have locating accuracy higher, improve plant factor, guarantee to use the education of this equipment or meeting is unaffected, simple in structure, with low cost, stable and reliable working performance, scope of application electromagnetic induction interactive formula electronic whiteboard comparatively widely.
In order to realize above-mentioned purpose, the electromagnetic induction interactive formula electronic whiteboard of the utility model has following formation:
This electromagnetic induction interactive formula electronic whiteboard; It comprises central processing module and display module; Described display module connects described central processing module; It is main specificly to be, described electronic whiteboard also comprises the electromagnetic induction load module, and described electromagnetic induction load module connects described central processing module.
Electromagnetic induction load module in this electromagnetic induction interactive formula electronic whiteboard comprises electromagnetic wave emission-type stylus, the distributed and arranged electromagnetic induction unit on described display module, and described electromagnetic induction unit is connected with described central processing module.
Electromagnetic induction unit in this electromagnetic induction interactive formula electronic whiteboard comprises the induction receiving coil film of arranging according to level and vertical both direction respectively; The size of this induction receiving coil film is identical with the viewing area in the described display module, and the signal output part of described induction receiving coil film all is connected with described central processing module circuitry phase.
Central processing module in this electromagnetic induction interactive formula electronic whiteboard has a signal input part, and described CPU connects described electromagnetic induction load module through this signal input part.
CPU in this electromagnetic induction interactive formula electronic whiteboard also comprises a load module selected cell, and described signal input part connects described electromagnetic induction load module through this load module selected cell one.
Adopted the electromagnetic induction interactive formula electronic whiteboard of this utility model; Because it comprises the electromagnetic induction load module; Described electromagnetic induction load module connects described central processing module, thereby can utilize this electromagnetic induction load module accurately to locate for the action that the user operates this electromagnetic induction interactive formula electronic whiteboard, thereby improves the service efficiency of this electronic whiteboard; Guarantee to use the education of this electronic whiteboard or normally carrying out of meeting; And the electromagnetic induction interactive formula electronic whiteboard of the utility model is simple in structure, with low cost, and range of application is comparatively extensive.
Description of drawings
Fig. 1 is the functional module structure synoptic diagram of the electromagnetic induction interactive formula electronic whiteboard of the utility model.
Fig. 2 is the structural representation of main apparent direction of the electromagnetic induction interactive formula electronic whiteboard of the utility model.
Fig. 3 is the structural representation of left apparent direction of the electromagnetic induction interactive formula electronic whiteboard of the utility model.
Embodiment
In order more to be expressly understood the technology contents of the utility model, the special following examples of lifting specify.
See also shown in Figure 1ly, be the functional module structure synoptic diagram of the electromagnetic induction interactive formula electronic whiteboard of the utility model.
In one embodiment, this electromagnetic induction interactive formula electronic whiteboard comprises central processing module and display module, and described display module connects described central processing module.Described electromagnetic induction interactive formula electronic whiteboard also comprises the electromagnetic induction load module, and described electromagnetic induction load module connects described central processing module.
Wherein, the electromagnetic induction load module in this electromagnetic induction interactive formula electronic whiteboard comprises electromagnetic wave emission-type stylus, the distributed and arranged electromagnetic induction unit on described display module, and described electromagnetic induction unit is connected with described central processing module.
Simultaneously; Described electromagnetic induction unit comprises the induction receiving coil film of arranging according to level and vertical both direction respectively; The size of this induction receiving coil film is identical with the viewing area in the described display module, and the signal output part of described induction receiving coil film all is connected with described central processing module circuitry phase.
Its principle of work is following:
Electromagnetic wave can be propagated through air and insulating bodies, induction be adopt one can launching electromagnetic wave pen, the receiving coil film composition that the horizontal vertical both direction is arranged, the size of film is identical with the viewing area.Positioning principle be the pen of launching electromagnetic wave by the intermittent mode launching electromagnetic wave, when pen during, can sense the electromagnetic wave of pen emission on the coil near the film of receiving coil.High more from the electromotive force sensed of the nearest coil groups of pen, the electromotive force according to horizontal direction and vertical direction are sensed can obtain X, the Y coordinate position that pen belongs to through calculating.
The advantage of electromagnetic induction technology is:
Locate relatively accurate; Pressure sensitivity is arranged in the writing process, and promptly different according to the weight of writing, the thickness of person's handwriting can be different; The uniformity coefficient of viewing area is better.
A kind of comparatively preferred embodiment in, described central processing module has a signal input part, described CPU connects described electromagnetic induction load module through this signal input part.
In more preferred embodiment; Described CPU also comprises a load module selected cell; Described signal input part connects described electromagnetic induction load module through this load module selected cell one, thereby makes described CPU and this interactive electric whiteboard, power amplification unit, loudspeaker connect into as a whole.
In the application of the utility model, shown in Fig. 2 and 3, electromagnetic induction interactive formula electronic whiteboard 1 comprises central processing module (not shown) and display module, and display module comprises blank 11 and projector 12.Described electromagnetic induction interactive formula electronic whiteboard 1 comprises electromagnetic induction load module 2, and wherein the electromagnetic induction load module has and is swift in response, the characteristics of accurate positioning, and also because it is simple in structure, technology maturation so serviceable life is very long, is difficult for impaired.Therefore, can guarantee the normal use of this electromagnetic induction interactive formula electronic whiteboard at the electromagnetic induction load module of the utility model.
Adopted above-mentioned electromagnetic induction interactive formula electronic whiteboard; Because it comprises the electromagnetic induction load module; Described electromagnetic induction load module connects described central processing module, thereby can utilize this electromagnetic induction load module accurately to locate for the action that the user operates this electromagnetic induction interactive formula electronic whiteboard, thereby improves the service efficiency of this electronic whiteboard; Guarantee to use the education of this electronic whiteboard or normally carrying out of meeting; And the electromagnetic induction interactive formula electronic whiteboard of the utility model is simple in structure, with low cost, and range of application is comparatively extensive.
In this instructions, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and the scope of the utility model.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (5)
1. electromagnetic induction interactive formula electronic whiteboard; It comprises central processing module and display module; Described display module connects described central processing module; It is characterized in that described electronic whiteboard also comprises the electromagnetic induction load module, described electromagnetic induction load module connects described central processing module.
2. electromagnetic induction interactive formula electronic whiteboard according to claim 1; It is characterized in that; Described electromagnetic induction load module comprises electromagnetic wave emission-type stylus, the distributed and arranged electromagnetic induction unit on described display module, and described electromagnetic induction unit is connected with described central processing module.
3. electromagnetic induction interactive formula electronic whiteboard according to claim 2; It is characterized in that; Described electromagnetic induction unit comprises the induction receiving coil film of arranging according to level and vertical both direction respectively; The size of this induction receiving coil film is identical with the viewing area in the described display module, and the signal output part of described induction receiving coil film all is connected with described central processing module circuitry phase.
4. according to each described electromagnetic induction interactive formula electronic whiteboard in the claim 1 to 3; It is characterized in that; Described central processing module has a signal input part, and described CPU connects described electromagnetic induction load module through this signal input part.
5. electromagnetic induction interactive formula electronic whiteboard according to claim 4; It is characterized in that; Described CPU also comprises a load module selected cell, and described signal input part connects described electromagnetic induction load module through this load module selected cell one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120235774U CN202142049U (en) | 2011-07-05 | 2011-07-05 | Electromagnetic induction interactive electronic white board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120235774U CN202142049U (en) | 2011-07-05 | 2011-07-05 | Electromagnetic induction interactive electronic white board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202142049U true CN202142049U (en) | 2012-02-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120235774U Expired - Fee Related CN202142049U (en) | 2011-07-05 | 2011-07-05 | Electromagnetic induction interactive electronic white board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202142049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109901331A (en) * | 2019-03-20 | 2019-06-18 | 深圳市恒开源电子有限公司 | Liquid crystal handwriting pad and liquid crystal tablet system |
-
2011
- 2011-07-05 CN CN201120235774U patent/CN202142049U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109901331A (en) * | 2019-03-20 | 2019-06-18 | 深圳市恒开源电子有限公司 | Liquid crystal handwriting pad and liquid crystal tablet system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120208 Termination date: 20120705 |