CN108877324A - A kind of smart electronic blackboard - Google Patents
A kind of smart electronic blackboard Download PDFInfo
- Publication number
- CN108877324A CN108877324A CN201811041459.0A CN201811041459A CN108877324A CN 108877324 A CN108877324 A CN 108877324A CN 201811041459 A CN201811041459 A CN 201811041459A CN 108877324 A CN108877324 A CN 108877324A
- Authority
- CN
- China
- Prior art keywords
- touch
- shell
- groove
- machine
- fixedly connected
- 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.)
- Pending
Links
Classifications
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The present invention relates to intelligent blackboard technical fields, and disclose a kind of smart electronic blackboard, including the shell being fixed on the wall, touch-control all-in-one machine is connected in the shell, the surface of the touch-control all-in-one machine is fixedly installed with one layer of writing glass, function button area is equipped at the bottom corners of the touch-control all-in-one machine, a key screen capture module is successively arranged in the function button area, memory module and communication module, the lower end of the touch-control all-in-one machine is fixedly connected with the USB interface connecting with memory module signal, the USB interface is stretched out outside shell by the opening that shell rear surface opens up.The smart electronic blackboard has a key screenshotss function, lightens the burden for academics and students, improves teaching efficiency and efficiency of teaching.
Description
Technical field
The present invention relates to intelligent blackboard technical field, specially a kind of smart electronic blackboard.
Background technique
In multi-media classroom, intelligent blackboard is core product, currently, intelligent blackboard on the market is often traditional
On touch-control all-in-one machine, increase by one layer of AG glass, then be equipped with black glass subplate on the both sides of AG glass, when touch-control all-in-one machine is closed
When, AG glass is as real Glass blackboard, the habit of reservation teacher's full screen chalk-writing, and touch-control all-in-one machine screen point
When bright, that is, touch screen operation can be used, touch-control use is interacted on classroom, while carrying out the broadcasting of multimedia file, exhibition
Show, operate.
Intelligent blackboard in the prior art, using the part of multimedia teaching, courseware storage can be stored in multimedia computer or
In the mobile store tools of person, is checked for the subsequent review of student or teacher imparts knowledge to students again to correlated curriculum uses, however teacher's warp
It can often be imparted knowledge to students by writing on the blackboard, multimedia courseware content is supplemented, to facilitate classmate to understand, when blackboard is write completely
After will do it erasing, student then needs by recording, and facilitates understanding and subsequent review, and the classmate also having is using shining
After camera is shot, used for subsequent review, however this mode is troublesome in poeration, and can miss content, and teacher
When carrying out identical content teaching to different classes, it is also necessary to which the writing for carrying out identical writing on the blackboard again so not only increases teacher
Workload and teacher can be made to suck more dusts due to excessive writing, influence the health of instructors.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of smart electronic blackboards, and it is excellent to have key screenshotss function etc.
Point, solve when blackboard write it is full after will do it erasing, student then needs by recording, facilitate understand with it is subsequent multiple
It practises, after the classmate also having is shot using camera, is used for subsequent review, however this mode is troublesome in poeration, and
Content can be missed, and teacher is when carrying out identical content teaching to different classes, it is also necessary to the writing of identical writing on the blackboard is carried out again,
It so not only increases the workload of teacher and teacher can be made to suck more dusts due to excessive writing, influence instructors
The problem of health.
To realize that the purpose for capableing of a key screenshotss, the present invention provide the following technical solutions：A kind of smart electronic blackboard, including
The shell being fixed on the wall is connected with touch-control all-in-one machine in the shell, and the surface of the touch-control all-in-one machine is fixedly installed with
One layer of writing glass is equipped with function button area at the bottom corners of the touch-control all-in-one machine, successively sets in the function button area
There are a key screen capture module, memory module and communication module, the lower end of the touch-control all-in-one machine is fixedly connected with believes with memory module
The USB interface of number connection, outside the opening stretching shell that the USB interface is opened up by shell rear surface；The one key screenshotss
The output end of module and the input end signal of memory module connect, the output end of the memory module and the input terminal of communication module
Signal connection, the communication module signal are connected with mobile intelligent terminal.
Preferably, the upper end bilateral symmetry of the shell is opened up there are two cylinder groove, and the cylinder groove is interior to pass through ball axis
Hold and be rotatably connected to telescopic rod, one end of the telescopic rod is stretched out outside cylinder groove, and is fixedly connected with switch block, the shell it is upper
End offers fixing groove corresponding with switch block, and the telescopic rod is located at the uniform fixing sleeve of bar wall in cylinder groove and is connected to multiple actives
Helical gear, the inner sidewall of the shell is offered to be connected to cylinder groove, and through slot corresponding with drive bevel gear, in the through slot
It is connected with screw rod by ball bearing rotational, one end of the screw rod is fixedly connected with the driven helical teeth engaged with drive bevel gear
Wheel, the other end of the screw rod are threaded with limit barrel, and the side wall of the touch-control all-in-one machine offers and limit barrel pair
The limiting slot answered, the side wall of the switch block offer accommodating groove, are equipped with thrust spring in the accommodating groove, the thrust spring
One end is fixedly connected with the inner wall of accommodating groove, and the other end of the thrust spring is fixedly connected with kelly, the side of the fixing groove
Wall offers card slot corresponding with kelly, and the surface of the switch block offers reseting groove corresponding with accommodating groove, the kelly position
It is fixedly connected with release link in one end in accommodating groove, the release link passes through logical through what is opened up between accommodating groove and reseting groove
Hole is protruded into reseting groove, and is fixedly connected with T shape pull rod.
Preferably, the outer wall of the limit barrel is symmetrically fixedly connected there are two the first position limiting slide block, the through slot it is interior
Wall offers the first limit sliding chutes to match with the first position limiting slide block.
Preferably, the bar wall of the kelly is symmetrically fixedly connected there are two the second position limiting slide block, the inner wall of the accommodating groove
Offer the second limit sliding chutes to match with the second position limiting slide block.
Preferably, one end that the T shape pull rod is located in reseting groove is fixedly connected with third position limiting slide block, the reseting groove
Inner wall offer the third limit sliding chutes to match with third position limiting slide block.
Preferably, the specific material of the limit barrel, screw rod and kelly is stainless steel.
Preferably, the writing glass is specially AG glass.
Compared with prior art, the present invention provides a kind of smart electronic blackboards, have following beneficial effect：
1, the smart electronic blackboard passes through the key screen capture module being equipped with, when writing glass plate writes full, touch key-press starting one
Key screen capture module carries out screenshotss to writing on the blackboard, carries out storage backup to the writing on the blackboard that screenshotss get off by storage module, and pass through communication
Module sends it to mobile intelligent terminal, and teachers and students can obtain the writing on the blackboard notes and multimedia of backup by mobile intelligent terminal
Courseware, can also directly with mobile store tools copy, do not need it is duplicate identical writing on the blackboard is write, subtract for academics and students
It is negative, improve teaching efficiency and efficiency of teaching.
2, the smart electronic blackboard inside the shell by touch-control all-in-one machine card, rotates switch block, switch block by the shell being equipped with
Telescopic rod rotation is driven, drives drive bevel gear to rotate using the effect that is fixedly attached of telescopic rod and drive bevel gear, recycles
The engagement of drive bevel gear and follow bevel gear drives screw rod rotation, and screw rod and the threaded connection of limit barrel is recycled to make
The relative limit effect of limit barrel is made to limit barrel and stretch out to lead to the cooperation with the first position limiting slide block and the first limit sliding chutes
Outside slot, and engage with limiting slot, the inside for being connected to shell that can quickly and easily consolidate touch-control all-in-one machine, and is needing
When removing touch-control all-in-one machine, rotating backward switch block can be released to the locking of the relative limit of touch-control all-in-one machine, be substantially increased pair
The disassembly efficiency of touch-control all-in-one machine uses convenient for people.
3, the smart electronic blackboard, being released kelly by thrust spring engages kelly with card slot outside accommodating groove, can
Make switch block is firm to be fixed in fixing groove, avoiding switch block is influenced to generate rotation by extraneous factor, and then drives driving tooth
The problem of firm clamping influence shell and touch-control all-in-one machine of wheel and screw rod rotation influence limit barrel and limiting slot are bonded,
Improve the stability of structure.
Detailed description of the invention
Fig. 1 is a kind of smart electronic blackboard structural schematic diagram proposed by the present invention；
Fig. 2 is the partial structurtes enlarged drawing in the portion A in a kind of smart electronic blackboard Fig. 1 proposed by the present invention；
Fig. 3 is the partial structurtes enlarged drawing in the portion B in a kind of smart electronic blackboard Fig. 1 proposed by the present invention；
Fig. 4 is the structural schematic diagram that a kind of touch-control all-in-one machine of smart electronic blackboard proposed by the present invention is connect with writing glass；
Fig. 5 is a kind of flowage structure schematic diagram of a key screenshotss function of smart electronic blackboard proposed by the present invention.
In figure：1 shell, 2 touch-control all-in-one machines, 3 write glass, 4 function button areas, 5 one key screen capture modules, 6 memory modules,
7 communication modules, 8 USB interfaces, 9 cylinder grooves, 10 telescopic rods, 11 switch blocks, 12 fixing grooves, 13 drive bevel gears, 14 through slots, 15 spiral shells
Bar, 16 follow bevel gears, 17 limit barrels, 18 limiting slots, 19 accommodating grooves, 20 thrust springs, 21 kellies, 22 card slots, 23 reset
Slot, 24 release links, 25T shape pull rod.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, a kind of smart electronic blackboard is connected with touching in shell 1 including the shell 1 being fixed on the wall
All-in-one machine 2 is controlled, the surface of touch-control all-in-one machine 2 is fixedly installed with one layer of writing glass 3, sets at the bottom corners of touch-control all-in-one machine 2
Functional key zone 4 is successively arranged a key screen capture module 5, memory module 6 and communication module 7, touch-control one in function button area 4
The lower end of body machine 2 is fixedly connected with the USB interface 8 connecting with 6 signal of memory module, and USB interface 8 passes through 1 rear surface of shell
The opening that opens up is stretched out outside shell 1, and the upper end bilateral symmetry of shell 1 is opened up there are two cylinder groove 9, passes through ball in cylinder groove 9
Bearing is rotatably connected to telescopic rod 10, and one end of telescopic rod 10 is stretched out outside cylinder groove 9, and is fixedly connected with switch block 11, shell 1
Upper end offers fixing groove 12 corresponding with switch block 11, telescopic rod 10 be located at the uniform fixing sleeve of bar wall in cylinder groove 9 be connected to it is more
A drive bevel gear 13, the inner sidewall of shell 1 is offered to be connected to cylinder groove 9, and through slot 14 corresponding with drive bevel gear 13,
Screw rod 15 is connected with by ball bearing rotational in through slot 14, one end of screw rod 15 is fixedly connected with engages with drive bevel gear 13
Follow bevel gear 16, the other end of screw rod 15 be threaded with limit barrel 17, substantially increase tearing open to touch-control all-in-one machine 2
Efficiency is filled, is used convenient for people, the side wall of touch-control all-in-one machine 2 offers limiting slot 18 corresponding with limit barrel 17, switch block 11
Side wall offer accommodating groove 19, be equipped with thrust spring 20 in accommodating groove 19, one end of thrust spring 20 is interior with accommodating groove 19
Wall is fixedly connected, and the other end of thrust spring 20 is fixedly connected with kelly 21, and the side wall of fixing groove 12 offers right with kelly 21
The card slot 22 answered can make switch block 11 is firm to be fixed in fixing groove 12, and avoid switch block 11 is influenced to produce by extraneous factor
Raw rotation, and then it is outer to drive the firm clamping of driving gear 13 and the rotation influence limit barrel 17 of screw rod 15 and limiting slot 18 to influence
The problem of shell 1 and touch-control all-in-one machine 2 are bonded, improves the stability of structure, the surface of switch block 11 offers and accommodating groove
19 corresponding reseting grooves 23, one end that kelly 21 is located in accommodating groove 19 are fixedly connected with release link 24, and release link 24 passes through receipts
It receives and is protruded into reseting groove 23 between slot 19 and reseting groove 23 through the through-hole opened up, and be fixedly connected with T shape pull rod 25.
Writing glass 3 is specially AG glass, and AG glass retains teacher's full screen chalk book as real Glass blackboard
The habit write, and when touch-control all-in-one machine screen is lighted, that is, touch screen operation can be used, touch-control use is interacted on classroom,
Broadcasting, displaying, operation of multimedia file etc. are carried out simultaneously.
The output end of one key screen capture module 5 is connect with the input end signal of memory module 6, the output end of memory module 6 with
The input end signal of communication module 7 connects, and 7 signal of communication module is connected with mobile intelligent terminal, and touch key-press starts a key and cuts
Panel module 5 carries out screenshotss to writing on the blackboard, carries out storage backup to the writing on the blackboard that screenshotss get off by storage module 6, and pass through communication mould
Block 7 sends it to mobile intelligent terminal, and teachers and students can obtain the writing on the blackboard notes and multimedia of backup by mobile intelligent terminal
Courseware, can also directly with mobile store tools copy, do not need it is duplicate identical writing on the blackboard is write, subtract for academics and students
It is negative, improve teaching efficiency and efficiency of teaching.
The outer wall of limit barrel 17 is symmetrically fixedly connected there are two the first position limiting slide block, and the inner wall of through slot 14 offers and the
The first limit sliding chutes that one position limiting slide block matches to limit barrel 17 can preferably limit and be fixed, and then avoid
Limit barrel 17 and screw rod 15 rotate the function of carrying out influencing limit 17 horizontal displacement of barrel together.
The bar wall of kelly 21 is symmetrically fixedly connected there are two the second position limiting slide block, and the inner wall of accommodating groove 19 offers and second
The second limit sliding chutes that position limiting slide block matches, can make the sliding of kelly 21 more smooth, and avoid kelly 21 and skid off receipts
The problem of slot 19 of receiving influences its use outside.
One end that T shape pull rod 25 is located in reseting groove 23 is fixedly connected with third position limiting slide block, and the inner wall of reseting groove 23 is opened
Equipped with the third limit sliding chutes to match with third position limiting slide block, sliding of the T shape pull rod 25 in reseting groove 23 can be made more
It is smooth, convenient for being pulled out kelly 21 outside accommodating groove 19 by release link 24, used convenient for people.
The specific material of limit barrel 17, screw rod 15 and kelly 21 is stainless steel, and stainless steel has preferable anticorrosion
Property, and then preferably ensure that the whole service life of device, it is easy to use.
In conclusion the smart electronic blackboard, in use, writing glass plate 3 by the key screen capture module 5 being equipped with
When writing full, touch key-press starts a key screen capture module 5 and carries out screenshotss, the writing on the blackboard got off by storage module 6 to screenshotss to writing on the blackboard
Storage backup is carried out, and mobile intelligent terminal is sent it to by communication module 7, teachers and students can be obtained by mobile intelligent terminal
The writing on the blackboard notes of backup and multimedia courseware can not also need duplicate to same plate directly with mobile store tools copy
Book is write, and lightens the burden for academics and students, teaching efficiency and efficiency of teaching is improved, by the shell 1 being equipped with, by touch-control one
Body machine 2 is stuck in shell 1, rotates switch block 11, and switch block 11 drives telescopic rod 10 to rotate, utilizes telescopic rod 10 and drive bevel gear 13
Be fixedly attached effect drive drive bevel gear 13 rotate, recycle drive bevel gear 13 and follow bevel gear 16 engagement
It drives screw rod 15 to rotate, recycles screw rod 15 and the threaded connection effect and the first position limiting slide block that limit barrel 17 and the first limit
The cooperation of sliding slot makes to limit outside the stretching through slot 14 of barrel 17 to the relative limit effect of limit barrel 17, and blocks with limiting slot 18
It closes, the inside for being connected to shell 1 that can quickly and easily consolidate touch-control all-in-one machine 2, and is needing to remove touch-control all-in-one machine 2
When, rotating backward switch block 11 can release to the locking of the relative limit of touch-control all-in-one machine 2, substantially increase to touch-control all-in-one machine 2
Disassembly efficiency, used convenient for people, being released kelly 21 by thrust spring 20 makes kelly 21 and card slot 22 outside accommodating groove 19
Engaging can make switch block 11 is firm to be fixed in fixing groove 12, and avoiding switch block 11 is influenced to generate rotation by extraneous factor,
And then driving gear 13 and the firm clamping of the rotation influence limit barrel 17 of screw rod 15 and limiting slot 18 is driven to influence shell 1 and touch
The problem of control all-in-one machine 2 is bonded, improves the stability of structure.
It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability
Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including
Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device.
In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, article or equipment in there is also other identical elements.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of smart electronic blackboard, including the shell being fixed on the wall（1）, it is characterised in that：The shell（1）Interior clamping
There is touch-control all-in-one machine（2）, the touch-control all-in-one machine（2）Surface be fixedly installed with one layer of writing glass（3）, described touch control integrated
Machine（2）Bottom corners at be equipped with function button area（4）, the function button area（4）Inside it is successively arranged a key screen capture module
（5）, memory module（6）And communication module（7）, the touch-control all-in-one machine（2）Lower end be fixedly connected with and memory module（6）Letter
Number connection USB interface（8）, the USB interface（8）Pass through shell（1）The opening that rear surface opens up stretches out shell（1）Outside；
The one key screen capture module（5）Output end and memory module（6）Input end signal connection, the memory module（6）It is defeated
Outlet and communication module（7）Input end signal connection, the communication module（7）Signal is connected with mobile intelligent terminal.
2. smart electronic blackboard according to claim 1, it is characterised in that：The shell（1）Upper end bilateral symmetry open
If there are two cylinder grooves（9）, the cylinder groove（9）It is interior that telescopic rod is connected with by ball bearing rotational（10）, the telescopic rod
（10）One end stretch out cylinder groove（9）Outside, and it is fixedly connected with switch block（11）, the shell（1）Upper end offer and switch block
（11）Corresponding fixing groove（12）, the telescopic rod（10）Positioned at cylinder groove（9）The interior uniform fixing sleeve of bar wall is connected to multiple masters
Dynamic helical gear（13）, the shell（1）Inner sidewall offer and cylinder groove（9）Connection, and and drive bevel gear（13）It is corresponding
Through slot（14）, the through slot（14）It is interior that screw rod is connected with by ball bearing rotational（15）, the screw rod（15）One end it is solid
Surely it is connected with and drive bevel gear（13）The follow bevel gear of engagement（16）, the screw rod（15）The other end be threadedly coupled it is limited
Position barrel（17）, the touch-control all-in-one machine（2）Side wall offer with limit barrel（17）Corresponding limiting slot（18）, described turn
Block（11）Side wall offer accommodating groove（19）, the accommodating groove（19）It is interior to be equipped with thrust spring（20）, the thrust spring
（20）One end and accommodating groove（19）Inner wall be fixedly connected, the thrust spring（20）The other end be fixedly connected with kelly
（21）, the fixing groove（12）Side wall offer and kelly（21）Corresponding card slot（22）, the switch block（11）Surface open
It is equipped with and accommodating groove（19）Corresponding reseting groove（23）, the kelly（21）Positioned at accommodating groove（19）Interior one end is fixedly connected with
Release link（24）, the release link（24）Pass through accommodating groove（19）With reseting groove（23）Between through the through-hole that opens up protrude into reset
Slot（23）It is interior, and it is fixedly connected with T shape pull rod（25）.
3. a kind of smart electronic blackboard according to claim 1, it is characterised in that：The limit barrel（17）Outer wall pair
Title is fixedly connected there are two the first position limiting slide block, the through slot（14）Inner wall offer to match with the first position limiting slide block
One limit sliding chutes.
4. a kind of smart electronic blackboard according to claim 1, it is characterised in that：The kelly（21）Bar wall it is symmetrically solid
There are two the second position limiting slide block, the accommodating grooves for fixed connection（19）Inner wall offer second to match with the second position limiting slide block
Limit sliding chutes.
5. a kind of smart electronic blackboard according to claim 1, it is characterised in that：The T shape pull rod（25）Positioned at reset
Slot（23）Interior one end is fixedly connected with third position limiting slide block, the reseting groove（23）Inner wall offer and third position limiting slide block
The third limit sliding chutes to match.
6. a kind of smart electronic blackboard according to claim 1, it is characterised in that：The limit barrel（17）, screw rod
（15）And kelly（21）Specific material be stainless steel.
7. according to a kind of smart electronic blackboard described in claim 1, it is characterised in that：The writing glass（3）Specially AG glass
Glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811041459.0A CN108877324A (en) | 2018-09-07 | 2018-09-07 | A kind of smart electronic blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811041459.0A CN108877324A (en) | 2018-09-07 | 2018-09-07 | A kind of smart electronic blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108877324A true CN108877324A (en) | 2018-11-23 |
Family
ID=64323333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811041459.0A Pending CN108877324A (en) | 2018-09-07 | 2018-09-07 | A kind of smart electronic blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108877324A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112051939A (en) * | 2020-08-28 | 2020-12-08 | 芜湖宏嘉科技有限公司 | Network teaching system for electronic screen |
-
2018
- 2018-09-07 CN CN201811041459.0A patent/CN108877324A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112051939A (en) * | 2020-08-28 | 2020-12-08 | 芜湖宏嘉科技有限公司 | Network teaching system for electronic screen |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206564045U (en) | A kind of Multifunctional English teaching demonstrating board | |
| CN108564832A (en) | A kind of multimedia automation education instructional device | |
| CN206400796U (en) | The exhibiting device that financial Teaching reform is used | |
| CN208064836U (en) | A kind of student's textbook storage device | |
| CN108995447A (en) | Roller shutter type blackboard and its control method with rotation | |
| CN206194154U (en) | Novel multi -media of economics teaching usefulness device | |
| CN211222765U (en) | Blackboard for English teaching | |
| CN207587225U (en) | A kind of auxiliary of junior middle school Chinese classic poetry recites device | |
| CN108877324A (en) | A kind of smart electronic blackboard | |
| CN107403570A (en) | A kind of Fun English learning device for helping to strengthen teenager's memory | |
| CN208515243U (en) | A kind of multifunctional artistic class instructional device | |
| CN214279196U (en) | Novel demonstration device for multimedia | |
| CN209947110U (en) | Teaching all-in-one machine | |
| CN210076934U (en) | Chinese teaching is with special religion table | |
| CN207425173U (en) | A kind of English teaching showing stand | |
| CN109935115A (en) | A kind of Applied Writing apparatus for demonstrating | |
| CN206423779U (en) | A kind of Chinese teaching lectern | |
| CN206040028U (en) | Special teaching board of electromechanical specialty | |
| CN212840517U (en) | Wisdom image teaching device | |
| CN202345149U (en) | Mobile blackboard teaching system | |
| CN206179275U (en) | Multi -functional english teaching display device | |
| CN215007082U (en) | Teaching pole is used in computer teaching | |
| CN215868297U (en) | Think political affairs class teaching display device | |
| CN216435190U (en) | Intelligent learning device is used in 5G teleeducation training | |
| CN111477039A (en) | Surrounding type multi-screen three-dimensional display teaching flat plate mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |