CN108986560A - A kind of electronic blackboard - Google Patents
A kind of electronic blackboard Download PDFInfo
- Publication number
- CN108986560A CN108986560A CN201810856752.6A CN201810856752A CN108986560A CN 108986560 A CN108986560 A CN 108986560A CN 201810856752 A CN201810856752 A CN 201810856752A CN 108986560 A CN108986560 A CN 108986560A
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- screen
- display
- extension
- viewing area
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Classifications
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- 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
-
- 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
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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)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Drawing Aids And Blackboards (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The invention discloses a kind of electronic blackboard, including main screen, main screen includes main viewing area and first point of viewing area, second point of viewing area positioned at main viewing area two sides；The side that first point of viewing area is closed on outside main screen is provided with the first extension screen, and the other side that second point of viewing area is closed on outside main screen is provided with the second extension screen；The display content of first point of viewing area can extend screen display second, and the display content of second point of viewing area can extend screen display first.The present invention can be realized the duplication of screen, so as to change the angular field of view of student's upper class hour, avoids the problem that student is used for a long time and squints.
Description
Technical field
The present invention relates to teaching equipment fields, particularly relate to a kind of electronic blackboard.
Background technique
In modernizing teaching training, tradition is gradually taken by electronic blackboard using the blackboard for education that chalk is write
It is generation, increasing to the demand of electronic blackboard in the market.In the prior art, general electronic blackboard is similar with traditional blackboard,
The student for being sitting in both sides sees that the writing on the blackboard on sides different from oneself is relatively difficult.Shown in referring to Fig.1, due to viewing angle problem,
It is sitting in the student of especially former rows on the left side, the writing to look at the blackboard on rightmost is more difficult, is similarly sitting in the former rows in the right
Student's leftmost writing that looks at the blackboard it is also highly difficult, the problem of being likely to cause student's strabismus for a long time.And it is because invisible
The upper content of the right blackboard, student are easy to miss the emphasis that teacher said, cause the decline of quality of instruction.
Summary of the invention
In view of this, avoiding the problem that student squints it is an object of the invention to propose a kind of electronic blackboard, make to learn
Life can easily see the content shown on electronic blackboard clearly.
Based on a kind of above-mentioned purpose electronic blackboard provided by the invention, including main screen, the main screen include main viewing area with
And first point of viewing area, second point of viewing area positioned at the main viewing area two sides；Described first point is closed on outside the main screen
The side of viewing area is provided with the first extension screen, and the other side that second point of viewing area is closed on outside the main screen is provided with
Two extension screens；The display content of first point of viewing area can be in the second extension screen display, second point of display
The display content in area can be in the first extension screen display.
It preferably, further include the first sliding rail and the second sliding rail, first sliding rail makes the first extension screen relative to institute
Main screen sliding is stated, and is located at the first extension screen on the outside of the main screen when pulling out, described first is located at when withdrawing
Divide the back side of viewing area；Second sliding rail slides the second extension screen relative to the main screen, and makes described second
Extension screen is located on the outside of the main screen when pulling out, when withdrawing positioned at the back side of second point of viewing area.
Preferably, first sliding rail includes that the first sliding groove being arranged in the main screen and setting are expanded described first
The first sliding block on Zhan Ping, first sliding block can be slided along the first sliding groove；First sliding block and described first expands
It opens up screen hingedly, the first extension screen is enable to extend the hinged of screen with described first along first sliding block when being completely pulled out
Place's rotation；
Second sliding rail includes the second sliding slot being arranged in the main screen and setting on the second extension screen
The second sliding block, second sliding block can slide along the second sliding slot；Second sliding block and the second extension screen hinge
It connects, the second extension screen is enable to turn when being completely pulled out along the hinged place of second sliding block and the second extension screen
It is dynamic.
Preferably, the main screen includes display screen and the display screen surface is arranged in for realizing the touching of touch function
Layer is touched, the display screen includes display area and non-display area, and the non-display area is by the tempering glass of the touch layer
Glass black silk-screen blocks.
Preferably, the touch screen is infrared touch layer, capacitance touch layer, electromagnetic touch layer, one in resistive touch layer
Kind.
Preferably, the first extension screen, the second extension screen include display screen.
It preferably, further include host, the host is arranged at the main screen back side and is electrically connected with the main screen.
Preferably, the host is provided at least three video cards, the first video card for realizing the main viewing area content
Display；Second video card shows for realizing the content of first point of viewing area and the second extension screen；Third video card is used for
Realize that second point of viewing area and the content of the first extension screen are shown.
Preferably, second video card, the third video card include at least two output ports.
Preferably, the host receives the print screen request of the first display subregion, by the first display subregion
Make the second extension screen display described first by the second extension screen labeled as duplication display screen labeled as main display
Show the display content of subregion；The host receives the print screen request of the second display subregion, and described second is shown
Labelling Regions are main display, by the first extension screen labeled as duplication display screen, are made described in the first extension screen display
The display content of second display subregion.
From the above it can be seen that a kind of electronic blackboard provided by the invention, by being respectively set in main screen two sides
One extension screen and the second extension screen, and the first extension screen is made show the content of second point of viewing area, so that second extends screen display
Show the content of first point of viewing area, so as to change the angular field of view of student, avoid student be used for a long time occur squinting ask
Topic, teacher write content be all in be listed in the front of student, be conducive to student see clearly and record teacher teach and write it is interior
Hold.
Detailed description of the invention
Fig. 1 is existing electronic blackboard use state diagram；
Fig. 2 is a kind of electronic blackboard structural schematic diagram of the embodiment of the present invention；
Fig. 3 is electronic blackboard of embodiment of the present invention use state diagram；
Fig. 4 is the top view of electronic blackboard of embodiment of the present invention part-structure.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in more detail.
It should be noted that all statements for using " first " and " second " are for differentiation two in the embodiment of the present invention
The non-equal entity of a same names or non-equal parameter, it is seen that " first " " second " only for the convenience of statement, does not answer
It is interpreted as the restriction to the embodiment of the present invention, subsequent embodiment no longer illustrates this one by one.
Fig. 2 is a kind of electronic blackboard structural schematic diagram of the embodiment of the present invention；Fig. 3 is the use of electronic blackboard of the embodiment of the present invention
Status diagram.
The embodiment of the present invention proposes that a kind of electronic blackboard, including main screen 1, main screen 1 include main viewing area 11 and difference position
In 12, second points of first point of viewing area viewing area 13 of main 11 two sides of viewing area.First point of viewing area 12 is closed on outside main screen 1
Side is provided with the first extension screen 2, and the other side that second point of viewing area 13 is closed on outside main screen 1 is provided with the second extension screen 2；The
The display content of one point of viewing area 12 can show on the second extension screen 3, and the display content of second point of viewing area 13 can be
It is shown on first extension screen 2.
In the above-described embodiments, by increasing the first extension screen 2 and the second extension screen 3, while first in the two sides of main screen 1
The display content of second point of viewing area 13 is shown on extension screen 2, is shown in the display of first point of viewing area 12 on the second extension screen 3
Hold, so that changed using the visual angle of student in the classroom of the electronic blackboard, as shown in Figure 1, Figure 3, the student of left column
Angular field of view b is become from a, the range of b is greater than a, it is not easy to student be made to lead to the problem of strabismus.The content that teacher writes simultaneously
All in the front for being listed in student, is conducive to student and sees and record the content that teacher teaches and writes clearly.
It in another embodiment of the present invention, further include the first sliding rail and the second sliding rail, the first sliding rail makes the first extension
Screen 2 is slided relative to main screen 1, and the first extension screen 2 is made to be located at 1 outside of main screen when pulling out, and first point is located at when withdrawing
The back side of viewing area 12.Second sliding rail slides the second extension screen 3 relative to main screen 1, and makes the second extension screen 3 when pulling out
Positioned at 1 outside of main screen, when withdrawing positioned at the back side of second point of viewing area 13.Preferably, the first sliding rail, the second sliding rail can be set
Set control panel, control panel controlled by remote terminal equipment, so as to easily realize the first extension screen 2,
The long-range control of pull-out, the withdrawal of second extension screen 3.
In the above-described embodiments, by the setting of the first sliding rail, the second sliding rail, so that first extension screen the 2, second extension screen
3 are drawn out when in use, and the back side of main screen 1, easy to use and saving space are withdrawn into after use.
Fig. 4 is the top view of electronic blackboard of embodiment of the present invention part-structure.
In other embodiments of the invention, the first sliding rail includes the first sliding groove 31 being arranged in main screen 1 and sets
The first sliding block 32 on the first extension screen 2 is set, the first sliding block 32 can be slided along first sliding groove 31.The both ends of first sliding groove 31
Be provided with baffle for stop the first sliding block 32, avoid the first sliding block 32 slide excessively disengaging first sliding groove 31.First sliding block
32 and first extend screen 2 hingedly, and the first extension screen 2 is enable to shield 2 along the first sliding block 32 and the first extension when being completely pulled out
Hinged place rotation, so as to shield 2 deflection angle according to the extension of the visual angle appropriate adjustment first of student, convenient for the sight of student
It sees.In an alternative embodiment, the first sliding block 32 is connect with the first extension screen 2 by first rotating shaft 33.Optionally, first
Sliding block 32 can also be connect with the first extension screen 2 by other structures such as hinges.
In the present embodiment, the second sliding rail can have structure identical with the first sliding rail.Second sliding rail includes that setting exists
Second sliding slot in main screen 1 and the second sliding block being arranged on the second extension screen 3, the second sliding block can be sliding along second sliding slot
It is dynamic.The both ends of second sliding slot be provided with baffle for stop the second sliding block, avoid the second sliding block sliding excessively be detached from second slide
Slot.Second sliding block and the second extension screen 3 are hinged, and the second extension screen 3 is enable to expand when being completely pulled out along the second sliding block and second
The hinged place rotation of exhibition screen 3, so as to shield 3 deflection angle according to the extension of the visual angle appropriate adjustment second of student, convenient for learning
Raw viewing.In an alternative embodiment, the second sliding block is connect with the second extension screen 3 by the second shaft.Optionally,
Two sliding blocks can also be connect with the second extension screen 3 by other structures such as hinges.
In some embodiments, main screen 1 includes display screen and display screen surface is arranged in for realizing touch function
Touch layer, touch layer, display screen are electrically connected with host, carry out data exchange and processing.Display screen is three, is respectively used to
Realize that the content of 11, the first points of viewing areas in main viewing area, 12, second points of viewing areas 13 is shown.Display screen include display area and
Non-display area, non-display area are blocked by the tempered glass black silk-screen of touch layer.First the 2, second extension of extension screen screen 3
Including display screen.In some alternative embodiments, 11, first points of main viewing area, 12, second points of viewing area viewing area 13 is not
Same screen, and respectively include different touch layer and display screen.
Preferably, touch layer is one of infrared touch layer, capacitance touch layer, electromagnetic touch layer, resistive touch layer.
In above-described embodiment, main screen 1 had not only included display screen but also had included touch layer, and first the 2, second extension of extension screen screen 3
Display screen is only included, upper class hour teacher can give lessons in main screen 1, and lecture contents may map to the first extension screen 2,
On two extension screens 3.
It in further embodiments, further include host, host is arranged at 1 back side of main screen and is electrically connected with main screen 1.Wherein,
Host is provided at least three video cards, wherein the first video card shows for realizing the content of main viewing area 11；First point of viewing area
12 and second extend shared second video cards of screen 3, and the second video card shields 3 content for realizing first point of viewing area 12 and the second extension
Display.Second point of viewing area 13 and first extension screen 2 shared third video cards, third video card for realizing second point of viewing area 13 with
The content of first extension screen 2 is shown.Second video card, third video card include at least two output ports.Output port can be VGA
With the collocation such as DVI, VGA and HDMI, VGA and VGA.
Preferably, the control software of video card is installed on host, by controlling software realization print screen function, so that the
Two extension screens 3 can show the display content of first point of viewing area 12, and the first extension screen 2 can show second point of viewing area 13
Show content.In use, select and open video card software on the first extension screen 2, print screen function is selected, host receives the
The print screen request of one display subregion 12, it is main display that second point of viewing area 13, which is arranged, and the first extension of setting screen 2 is duplication
Display screen may make the first extension screen 2 and second point of viewing area 13 to show identical content.Likewise, in the second extension screen 3
Upper selection simultaneously opens video card software, selects print screen function, and host receives the print screen request of the second display subregion 13, if
Setting first point of viewing area 12 is main display, and the second extension of setting screen 3 is duplication display screen, that is, may make the second extension screen 3 with
First point of viewing area 12 shows identical content.
Electronic blackboard of the present invention by the way that the first extension screen and the second extension screen is respectively set in main screen two sides, and makes
The content of first second point of viewing area of extension screen display is obtained, so that the content of first point of viewing area of display is shielded in the second extension, thus
The angular field of view that can change student avoids the problem that student is used for a long time and squints that the content that teacher writes all is in be listed in
The front of student is conducive to student and sees and record the content that teacher teaches and writes clearly；First extension screen, the second extension simultaneously
Screen can be drawn out when in use, and the main screen back side can be withdrawn into after use, save use space.
It should be understood by those ordinary skilled in the art that: the discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under thinking of the invention, above embodiments
Or can also be combined between the technical characteristic in different embodiments, step can be realized with random order, and be existed such as
Many other variations of the upper different aspect of the invention, for simplicity, they are not provided in details.
The embodiment of the present invention be intended to cover fall into all such replacements within the broad range of appended claims,
Modifications and variations.Therefore, all within the spirits and principles of the present invention, any omission, modification, equivalent replacement, the improvement made
Deng should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of electronic blackboard, which is characterized in that including main screen, the main screen include main viewing area and be located at the main display
First point of viewing area, the second point of viewing area of area two sides；The side setting of first point of viewing area is closed on outside the main screen
There is the first extension screen, the other side that second point of viewing area is closed on outside the main screen is provided with the second extension screen；Described
The display content of one point of viewing area can be in the second extension screen display, and the display content of second point of viewing area can
In the first extension screen display.
2. electronic blackboard according to claim 1, which is characterized in that it further include the first sliding rail and the second sliding rail, described
One sliding rail shields first extension relative to main screen sliding, and makes the first extension screen when pulling out described in
On the outside of main screen, when withdrawing positioned at the back side of first point of viewing area；Second sliding rail keeps the second extension screen opposite
It is slided in the main screen, and is located at the second extension screen on the outside of the main screen when pulling out, be located at when withdrawing described
The back side of second point of viewing area.
3. electronic blackboard according to claim 2, which is characterized in that first sliding rail includes being arranged in the main screen
First sliding groove and be arranged in it is described first extension screen on the first sliding block, first sliding block can be along the first sliding groove
Sliding；First sliding block and the first extension screen are hinged, enable the first extension screen when being completely pulled out along described
The hinged place of first sliding block and the first extension screen rotates；
Second sliding rail include the second sliding slot being arranged in the main screen and be arranged on the second extension screen the
Two sliding blocks, second sliding block can be slided along the second sliding slot；Second sliding block and the second extension screen are hinged, make
The second extension screen can be rotated when being completely pulled out along the hinged place of second sliding block and the second extension screen.
4. electronic blackboard according to claim 1, which is characterized in that the main screen includes display screen and is arranged described
For display screen surface for realizing the touch layer of touch function, the display screen includes display area and non-display area, described
Non-display area is blocked by the tempered glass black silk-screen of the touch layer.
5. electronic blackboard according to claim 4, which is characterized in that the touch layer is infrared touch layer, capacitance touch
One of layer, electromagnetic touch layer, resistive touch layer.
6. electronic blackboard according to claim 1, which is characterized in that the first extension screen, the second extension screen packet
Include display screen.
7. electronic blackboard according to claim 1, which is characterized in that further include host, the host is arranged in the master
Shield the back side and is electrically connected with the main screen.
8. electronic blackboard according to claim 7, which is characterized in that the host is provided at least three video cards, and first
Video card shows for realizing the content of the main viewing area；Second video card is for realizing first point of viewing area and described second
The content of extension screen is shown；Third video card shows for realizing the content of second point of viewing area and the first extension screen.
9. electronic blackboard according to claim 8, which is characterized in that second video card, the third video card include extremely
Few two output ports.
10. electronic blackboard described in -9 any one according to claim 1, which is characterized in that the host receives described first
The first display Labelling Regions are main display by the print screen request for showing subregion, by the second extension screen label
To replicate display screen, make the display content of the second extension screen display the first display subregion；Described in the host receives
The second display Labelling Regions are main display by the print screen request of the second display subregion, and first extension is shielded
Labeled as duplication display screen, make the display content of the first extension screen display the second display subregion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810856752.6A CN108986560B (en) | 2018-07-31 | 2018-07-31 | Electronic blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810856752.6A CN108986560B (en) | 2018-07-31 | 2018-07-31 | Electronic blackboard |
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| Publication Number | Publication Date |
|---|---|
| CN108986560A true CN108986560A (en) | 2018-12-11 |
| CN108986560B CN108986560B (en) | 2021-04-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810856752.6A Active CN108986560B (en) | 2018-07-31 | 2018-07-31 | Electronic blackboard |
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| Country | Link |
|---|---|
| CN (1) | CN108986560B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111127961A (en) * | 2020-01-02 | 2020-05-08 | 河南牧业经济学院 | Adjustable news is propagated with education exhibition frame |
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| CN103559847A (en) * | 2013-11-14 | 2014-02-05 | 北京先韬科技发展有限公司 | Intelligent double opening and closing LED display screen |
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| Publication number | Publication date |
|---|---|
| CN108986560B (en) | 2021-04-06 |
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Address after: No.1088 Dajing Road, Wujiang Economic and Technological Development Zone, Suzhou City, Jiangsu Province Applicant after: Gaochuang (Suzhou) Electronics Co.,Ltd. Applicant after: BOE TECHNOLOGY GROUP Co.,Ltd. Address before: 100015 No. 10, Jiuxianqiao Road, Beijing, Chaoyang District Applicant before: BOE TECHNOLOGY GROUP Co.,Ltd. Applicant before: Gaochuang (Suzhou) Electronics Co.,Ltd. |
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