CN109358775A - Super large screen touch-control infrared electronic white board all-in-one machine - Google Patents
Super large screen touch-control infrared electronic white board all-in-one machine Download PDFInfo
- Publication number
- CN109358775A CN109358775A CN201811515049.5A CN201811515049A CN109358775A CN 109358775 A CN109358775 A CN 109358775A CN 201811515049 A CN201811515049 A CN 201811515049A CN 109358775 A CN109358775 A CN 109358775A
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- Prior art keywords
- touch
- infrared
- interface
- control
- white board
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0428—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by sensing at the edges of the touch surface the interruption of optical paths, e.g. an illumination plane, parallel to the touch surface which may be virtual
-
- 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
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/067—Combinations of audio and projected visual presentation, e.g. film, slides
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
A kind of super large screen touch-control infrared electronic white board all-in-one machine, including infrared touch electronic whiteboard, border component, projector and monolithic processor control device；The infrared touch electronic whiteboard is rectangle structure and including high-strength steel sheet base and honeycomb aluminium interlayer, and the outer surface of the honeycomb aluminium interlayer is coated with compound wear-resistant material layer and surrounding is equipped with infrared touch item；The border component includes left frame, correct frame, upper frame and lower frame and the surrounding for being disposed around the infrared touch electronic whiteboard；Compared with prior art, the beneficial effects of the present invention are: realize multi-point touch and dustlessization teaching, a plate is multi-purpose, and wear-resistant pressure-resistant can be applied in combination with a variety of other equipment；A key touch-proof is realized, common written plate mode is switched fast with hand touch-control multimedia mode；Integrated design is realized, is occupied little space, screen accounting is high, visual appearance.
Description
[technical field]
The present invention relates to Teaching Technology of Multimedia fields, are specifically related to a kind of super large screen touch-control infrared electronic white board one
Machine.
[background technique]
In modern society, people increasingly pay attention to education, meanwhile, the various facilities and fund put into education are also got over
Come more.But traditional teaching is paid attention to the class in mode, is often exactly one, classroom blackboard, content of largely preparing lessons can not
It is all shown on blackboard, because all writing is time-consuming and laborious, and tells about if most contents are oral, only write on blackboard
Few content, then classmates often can not completely carry out note taking, leverage the efficiency and quality listened to the teacher, and
For needing to play the information of prompting participant, such as some notices or emphasis of giving lessons repeatedly, if stayed on blackboard always,
Occupy and write space, influence is attended class efficiency, and if wiped, can not play the role of repeatedly reminding, and traditional blackboard without
Method plays text, picture and video, this teaching pattern and is still domestic mainstream.The multimedia educational model, using calculating owner
The composite structure of machine, projector and shadow screen, shadow screen is lifting pattern or the left side is shadow screen and the right is the mode of blackboard, two
Person is high for the space requirement in classroom, and only simple that projection device is applied in teaching, failing really will be traditional
It is intelligent that education combines realization with modern multimedia equipment；In addition, electronic whiteboard the multimedia educational model is used there are also a kind of,
But since the equipment that the teaching pattern needs to use is numerous, screen accounting is small, meeting insufficient space after general classroom installation, function list
One, cumbersome, electronic whiteboard can only be used as touch screen, be also easy to damage, also standby when using paintbrush or chalk-writing
With other blackboard.
In consideration of it, it is really necessary to provide a kind of super large screen touch-control infrared electronic white board all-in-one machine to overcome the prior art not
Foot.
[summary of the invention]
The object of the present invention is to provide a kind of super large screen touch-control infrared electronic white board all-in-one machines, it is intended to realize multi-point touch and
Dustlessization teaching, a plate is multi-purpose, and wear-resistant pressure-resistant can be applied in combination with a variety of other equipment；A key touch-proof is aimed at, commonly
Plate mode is write to be switched fast with hand touch-control multimedia mode；Integrated design is aimed at, is occupied little space, screen accounting is high,
Visual appearance.
To achieve the goals above, the present invention provides a kind of super large screen touch-control infrared electronic white board all-in-one machine, by with based on
Calculate machine host connection, including infrared touch electronic whiteboard, border component, projector and monolithic processor control device；
The infrared touch electronic whiteboard is rectangle structure and including high-strength steel sheet base and honeycomb aluminium interlayer, described
The outer surface of honeycomb aluminium interlayer is coated with compound wear-resistant material layer and surrounding is equipped with infrared touch item；
The border component includes left frame, correct frame, upper frame and lower frame and is disposed around the infrared touch electronics
The surrounding of blank, the left frame are equipped with left stereo speaker and folded-optics real object exhibition booth, and the correct frame is equipped with right vertical
Body sound case, control panel and infrared touch switch；
The projector is mounted on the top of the infrared touch electronic whiteboard by fixed frame；
The monolithic processor control device respectively with the projector, infrared touch item, left stereo speaker, folded-optics
Real object exhibition booth, right stereo speaker and control panel electrical connection, the monolithic processor control device are equipped with:
For supply input and for the power module of electricity output；
For incoming video signal and connection projector and/or the video transmission module of dais tabletop display；
For connecting the control interface of main frame；
For main frame to be connected to the network interface of network；
For connecting the USB interface of hardware device；
Audio interface for audio input and output；And
Cable TV signal interface.
In a preferred embodiment, the power module includes AC input plug interface and AC output interface；
The video transmission module includes the first output interface of VGA, the second output interface of VGA and VGA digital code exhibiting platform
Input interface；
The control interface includes RS232 control line interface；
The network interface includes RJ45 network interface；
The USB interface includes the first USB interface and second for connecting peripheral hardware and/or infrared touch electronic whiteboard
USB interface；
The audio interface includes microphone input interface and for connecting right stereo speaker and left stereo speaker
Audio output interface.
In a preferred embodiment, the monolithic processor control device is additionally provided with remote controler receiving module, the remote controler
Receiving module is used to be wirelessly connected with remote controller.
In a preferred embodiment, the folded-optics real object exhibition booth includes installation pedestal and the installation pedestal
The objective table and shooting frame, the installation pedestal for rotating connection are equipped with container, and the objective table is located at the installation pedestal
Bottom and two sides are equipped with folded sheet, and the shooting frame is located at the top of the installation pedestal and bottom surface is equipped with LED light and camera
Device.
In a preferred embodiment, the control panel is equipped with several virtual keys.
In a preferred embodiment, the super large screen touch-control infrared electronic white board all-in-one machine is additionally provided with several hook knots
Structure, each hook structure include " u " type hook and " n " type hook, and " u " the type hook is fixed on the wall, " n " the type hook
Part is fixed on the back side of the super large screen touch-control infrared electronic white board all-in-one machine, passes through " u " the type hook and " n " type hook
Cooperation is so that the large-size screen monitors infrared electronic white board is integrally hung on wall.
In a preferred embodiment, four right angles of the infrared touch electronic whiteboard are additionally provided with structure bullnose.
Compared with prior art, the beneficial effect of a kind of super large screen touch-control infrared electronic white board all-in-one machine provided by the invention
It is:
The infrared touch electronic whiteboard is both common written plate, and cooperating the projector also is the multimedia load of hand touch-control
Body can realize that multi-point touch and dustlessization are imparted knowledge to students using interactive infrared induction technology, have the characteristics that wear-resistant pressure-resistant, a plate are more
With can be also applied in combination with a variety of other equipment；
The infrared touch switch, a key touch-proof realize that common written plate mode and hand touch-control multimedia mode are quick
Switching is opened constantly, and infrared touch function is opened, it can be achieved that functions such as hand touch-control and electronic writings；When closing, infrared touch-control function
It can close, no error contact can be prevented, lettering pen is write on projected picture in the infrared touch electronic whiteboard surface without influence；
By by the left stereo speaker, folded-optics real object exhibition booth, right stereo speaker, control panel and infrared
Soft-touch control is integrated on the border component, is realized integrated design, is occupied little space, and screen accounting is high, visual appearance；
The monolithic processor control device is equipped with multiple input/output interfaces, can facilitate a variety of different equipment of connection, energy
The functions such as video switching, benign mutual between teachers and students between video playing, projection, different input sources enough in the realization content of courses
It is dynamic that necessary user interface is provided；The use of various teaching resources can be improved to greatest extent in limited instructional blocks of time
Efficiency；
The folded-optics real object exhibition booth can be by the project objects on objective table to infrared touch by cam device
On electronic whiteboard, the LED light can increase brightness, by the cargo area of the expansible objective table of the folded sheet, not make
Used time is foldable in the container of the installation pedestal；
By the way that several virtual keys are arranged on the control panel, it can be achieved that high frequency uses one key operation of function, fast
It is convenient；It is when not in use smooth flat, in the hiding and border component, so that front is more succinct, beauty；
The super large screen touch-control infrared electronic white board all-in-one machine is made to facilitate installation or tear open by several hook structures
It unloads.
[Detailed description of the invention]
Fig. 1 is the perspective view of super large screen touch-control infrared electronic white board all-in-one machine provided by the invention.
Fig. 2 is the rearview of super large screen touch-control infrared electronic white board all-in-one machine shown in Fig. 1.
Fig. 3 is the right view of super large screen touch-control infrared electronic white board all-in-one machine shown in Fig. 1.
Fig. 4 is the exploded view of super large screen touch-control infrared electronic white board all-in-one machine shown in Fig. 1.
Fig. 5 is the cross-sectional view of infrared touch electronic whiteboard shown in Fig. 1.
Fig. 6 is the module diagram of monolithic processor control device shown in Fig. 4.
Fig. 7 is the exploded view of folded-optics real object exhibition booth shown in Fig. 4.
Fig. 8 is the schematic diagram of control panel shown in Fig. 4.
Fig. 9 is the perspective view of hook structure shown in Fig. 4.
[specific embodiment]
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited by the specific embodiments disclosed below.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be with
It is directly to another element or may be simultaneously present centering elements.Term as used herein " vertically ", " level
", "left", "right" and similar statement for illustrative purposes only, be not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more
Any and all combinations of relevant listed item.
It please refers to Fig.1 to Fig.3, the present invention provides a kind of super large screen touch-control infrared electronic white board all-in-one machine 100, by with based on
Machine host connection is calculated, multimedia teaching is applied to.
Simultaneously referring to Fig. 4, in an embodiment of the present invention, the super large screen touch-control infrared electronic white board all-in-one machine 100
Including infrared touch electronic whiteboard 10, border component 20, projector 30 and monolithic processor control device 40.
Simultaneously referring to Fig. 5, the infrared touch electronic whiteboard 10 is rectangle structure and including high-strength steel sheet base
11 and honeycomb aluminium interlayer 12, the outer surface of the honeycomb aluminium interlayer 12 is coated with compound wear-resistant material layer 13 and surrounding is equipped with
Infrared touch item 14；
The border component 20 includes left frame 21, correct frame 22, upper frame 23 and lower frame 24 and is disposed around described red
The surrounding of outer touch electronic whiteboard 10, the left frame 21 are equipped with left stereo speaker 25 and folded-optics real object exhibition booth 26,
The correct frame 22 is equipped with right stereo speaker 27, control panel 28 and infrared touch switch 29；
The projector 30 is mounted on the top of the infrared touch electronic whiteboard 10 by fixed frame (not shown)；
The monolithic processor control device 40 respectively with the projector 30, infrared touch item 14, left stereo speaker 25, folding
Stacked optics real object exhibition booth 26, right stereo speaker 27 and control panel 28 are electrically connected, referring to Fig. 6, the single-chip microcontroller controls
Device 40 is equipped with:
For supply input and for the power module 41 of electricity output；
For incoming video signal and connection projector 30 and/or the video transmission module 42 of dais tabletop display；
For connecting the control interface 43 of main frame；
For main frame to be connected to the network interface 44 of network；
For connecting the USB interface 45 of hardware device；
For audio input and the audio interface of output 46；And
Cable TV signal interface 47.
It is understood that the infrared touch electronic whiteboard 10 is both common written plate, cooperate the projector 30 also
It is the multimedia carrier of hand touch-control, can realizes that multi-point touch and dustlessization are imparted knowledge to students using interactive infrared induction technology, have resistance to
The characteristics of grinding resistance to compression, a plate is multi-purpose, can also be applied in combination with a variety of other equipment.
It is understood that the infrared touch switch 29, a key touch-proof realize common written plate mode and hand touch-control
Multimedia mode is switched fast.When unlatching, infrared touch function is opened, it can be achieved that functions such as hand touch-control and electronic writings；It closes
When, infrared touch function is closed, and can prevent from accidentally touching, and lettering pen is write on 10 surface of infrared touch electronic whiteboard to shadowgraph
Face is without influence.
It is understood that by by the left stereo speaker 25, folded-optics real object exhibition booth 26, right stereo sound
Case 27, control panel 28 and infrared touch switch 29 are integrated on the border component 20, realize integrated design, occupied space
Small, screen accounting is high, visual appearance.
In a preferred embodiment, please continue to refer to Fig. 6, the power module 41 includes AC input plug interface 411
With AC output interface 412；
The video transmission module 42 includes the first output interface of VGA 421, the second output interface of VGA 422 and VGA number
Code show stand input interface 423；
The control interface 43 includes that RS232 controls line interface 431；
The network interface 44 includes RJ45 network interface 441；
The USB interface 45 includes the first USB interface 451 for connecting peripheral hardware and/or infrared touch electronic whiteboard 10
With secondary USB interface 452；
The audio interface 46 includes microphone input interface 461 and stereo for connecting right stereo speaker 27 and a left side
The audio output interface 462 of speaker 25.
Further, the monolithic processor control device 40 is additionally provided with remote controler receiving module 48, and the remote controler receives mould
Block 48 is used to be wirelessly connected with remote controller 49.
It is understood that the monolithic processor control device 40 is equipped with multiple input/output interfaces, connection can be facilitated each
Kind different equipment can be realized the functions such as video switching between video playing in the content of courses, projection, different input sources, be
Good interaction between teachers and students provides necessary user interface；It can be improved to greatest extent each in limited instructional blocks of time
The service efficiency of kind teaching resource.
In a preferred embodiment, referring to Fig. 7, the folded-optics real object exhibition booth 26 include installation pedestal 261,
Container is equipped with the objective table 262 and shooting frame 263, the installation pedestal 261 of the installation pedestal 261 rotation connection
2611, the objective table 262 is located at the bottom of the installation pedestal 261 and two sides and is equipped with folded sheet 2621, the shooting frame 263
Positioned at the installation pedestal 261 top and bottom surface be equipped with LED light 2631 and cam device 2632.
It is understood that the folded-optics real object exhibition booth 26 can be by objective table 262 by cam device 2632
On project objects to infrared touch electronic whiteboard 10 on, the LED light 2631 can increase brightness, pass through the folded sheet 2621
The cargo area of the expansible objective table 262 is foldable to when not in use in the container 2611 of the installation pedestal 261.
In a preferred embodiment, referring to Fig. 8, the control panel 28 is equipped with several virtual keys 281, such as it is
System switch key, computer switch key, key is opened in projection, key, signal switching key, mute button, volume are closed in projection
Add key and volume down key.
It is understood that by the way that several virtual keys 281 are arranged on the control panel 28, it can be achieved that high frequency uses
One key operation of function, it is efficient and convenient；It is when not in use smooth flat, in the hiding and border component 20, so that front is more
Succinctly, beautiful.
In a preferred embodiment, referring to Fig. 9, the super large screen touch-control infrared electronic white board all-in-one machine 100 is also set
There are several hook structures 50, each hook structure 50 includes " u " type hook 51 and " n " type hook 52, and " u " the type hook 51 is solid
It is scheduled on wall, " n " the type hook 52 is fixed on the back side of the super large screen touch-control infrared electronic white board all-in-one machine 100, leads to
Cooperation of " u " the type hook 51 with " n " type hook 52 is crossed so that the large-size screen monitors infrared electronic white board is integrally hung on wall.
It is understood that several hook structures 50 make the super large screen touch-control infrared electronic white board all-in-one machine
100 facilitate installation or removal.
In a preferred embodiment, referring to Fig. 3, four right angles of the infrared touch electronic whiteboard 10 are additionally provided with knot
Structure bullnose 60.
It is understood that the structure bullnose 60 can reinforce the connection border component 20, the super large screen is prevented
Touch-control infrared electronic white board all-in-one machine 100 damages when transporting, while also acting as beautiful effect.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (7)
1. a kind of super large screen touch-control infrared electronic white board all-in-one machine, for being connect with main frame, it is characterised in that: including red
Outer touch electronic whiteboard, border component, projector and monolithic processor control device；
The infrared touch electronic whiteboard is rectangle structure and including high-strength steel sheet base and honeycomb aluminium interlayer, the honeycomb
The outer surface of aluminium interlayer is coated with compound wear-resistant material layer and surrounding is equipped with infrared touch item；
The border component includes left frame, correct frame, upper frame and lower frame and is disposed around the infrared touch electronic whiteboard
Surrounding, the left frame is equipped with left stereo speaker and folded-optics real object exhibition booth, and the correct frame is equipped with right stereo
Speaker, control panel and infrared touch switch；
The projector is mounted on the top of the infrared touch electronic whiteboard by fixed frame；
The monolithic processor control device is in kind with the projector, infrared touch item, left stereo speaker, folded-optics respectively
Exhibition booth, right stereo speaker and control panel electrical connection, the monolithic processor control device are equipped with:
For supply input and for the power module of electricity output；
For incoming video signal and connection projector and/or the video transmission module of dais tabletop display；
For connecting the control interface of main frame；
For main frame to be connected to the network interface of network；
For connecting the USB interface of hardware device；
Audio interface for audio input and output；And
Cable TV signal interface.
2. super large screen touch-control infrared electronic white board all-in-one machine as described in claim 1, it is characterised in that: the power module packet
Include AC input plug interface and AC output interface；
The video transmission module includes the first output interface of VGA, the second output interface of VGA and the input of VGA digital code exhibiting platform
Interface；
The control interface includes RS232 control line interface；
The network interface includes RJ45 network interface；
The USB interface includes that the first USB interface for connecting peripheral hardware and/or infrared touch electronic whiteboard and the 2nd USB connect
Mouthful；
The audio interface includes microphone input interface and the audio for connecting right stereo speaker Yu left stereo speaker
Output interface.
3. super large screen touch-control infrared electronic white board all-in-one machine as claimed in claim 2, it is characterised in that: the single-chip microcontroller control
Device is additionally provided with remote controler receiving module, and the remote controler receiving module is used to be wirelessly connected with remote controller.
4. super large screen touch-control infrared electronic white board all-in-one machine as described in claim 1, it is characterised in that: the folded-optics
Real object exhibition booth includes that installation pedestal, the objective table connected with installation pedestal rotation and shooting frame, the installation pedestal are equipped with
Container, the objective table are located at the bottom of the installation pedestal and two sides and are equipped with folded sheet, and the shooting frame is located at the peace
It fills the top of pedestal and bottom surface and is equipped with LED light and cam device.
5. super large screen touch-control infrared electronic white board all-in-one machine as described in claim 1, it is characterised in that: the control panel is set
There are several virtual keys.
6. super large screen touch-control infrared electronic white board all-in-one machine as described in claim 1, it is characterised in that: be additionally provided with several hooks
Structure, each hook structure include " u " type hook and " n " type hook, and " u " the type hook is fixed on the wall, " n " type
Hook is fixed on the back side of the super large screen touch-control infrared electronic white board all-in-one machine, passes through " u " the type hook and " n " type hook
Cooperation so that the large-size screen monitors infrared electronic white board is integrally hung on wall.
7. super large screen touch-control infrared electronic white board all-in-one machine as described in claim 1, it is characterised in that: the infrared touch electricity
Four right angles of sub- blank are additionally provided with structure bullnose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515049.5A CN109358775A (en) | 2018-12-12 | 2018-12-12 | Super large screen touch-control infrared electronic white board all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515049.5A CN109358775A (en) | 2018-12-12 | 2018-12-12 | Super large screen touch-control infrared electronic white board all-in-one machine |
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| Publication Number | Publication Date |
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| CN109358775A true CN109358775A (en) | 2019-02-19 |
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ID=65332090
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811515049.5A Pending CN109358775A (en) | 2018-12-12 | 2018-12-12 | Super large screen touch-control infrared electronic white board all-in-one machine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202694606U (en) * | 2012-05-11 | 2013-01-23 | 武汉智脑通科技有限公司 | Movable integrated electronic whiteboard |
| CN203552489U (en) * | 2013-09-25 | 2014-04-16 | 武汉智脑通科技有限公司 | Ultrathin multimedia liquid crystal electronic whiteboard all-in-one machine |
| CN206348774U (en) * | 2016-12-07 | 2017-07-21 | 林格实业(深圳)有限公司 | It is easy to the band infrared touch switch electronic blank safeguarded |
| CN206920990U (en) * | 2017-06-19 | 2018-01-23 | 深圳市方成教学设备有限公司 | Multi-media whiteboard all-in-one |
| CN209417709U (en) * | 2018-12-12 | 2019-09-20 | 深圳市林格实业发展有限公司 | Super large screen touch-control infrared electronic white board all-in-one machine |
-
2018
- 2018-12-12 CN CN201811515049.5A patent/CN109358775A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202694606U (en) * | 2012-05-11 | 2013-01-23 | 武汉智脑通科技有限公司 | Movable integrated electronic whiteboard |
| CN203552489U (en) * | 2013-09-25 | 2014-04-16 | 武汉智脑通科技有限公司 | Ultrathin multimedia liquid crystal electronic whiteboard all-in-one machine |
| CN206348774U (en) * | 2016-12-07 | 2017-07-21 | 林格实业(深圳)有限公司 | It is easy to the band infrared touch switch electronic blank safeguarded |
| CN206920990U (en) * | 2017-06-19 | 2018-01-23 | 深圳市方成教学设备有限公司 | Multi-media whiteboard all-in-one |
| CN209417709U (en) * | 2018-12-12 | 2019-09-20 | 深圳市林格实业发展有限公司 | Super large screen touch-control infrared electronic white board all-in-one machine |
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