CN108682192A - A kind of English teaching multimedia device easy to use - Google Patents
A kind of English teaching multimedia device easy to use Download PDFInfo
- Publication number
- CN108682192A CN108682192A CN201810346426.0A CN201810346426A CN108682192A CN 108682192 A CN108682192 A CN 108682192A CN 201810346426 A CN201810346426 A CN 201810346426A CN 108682192 A CN108682192 A CN 108682192A
- Authority
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- China
- Prior art keywords
- fixedly connected
- plate
- plate body
- multimedia device
- english teaching
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- 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.)
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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
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic 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)
Abstract
The present invention provides a kind of English teaching multimedia device easy to use, is related to English teaching apparatus field.The English teaching multimedia device easy to use, including plate body, it is provided with dust-proof mechanism at the top of the plate body, the bottom of the plate body is fixed to be connected with regulating mechanism, the one end of the regulating mechanism far from plate body is fixedly connected with support plate, and the upper surface of support plate is fixedly connected with positioning reducing mechanism.The English teaching multimedia device easy to use, pass through the mutual cooperation between the first spring, clamping plate and lifting leg, reach the promotion using the first spring, so that convenient for the height of plate body is adjusted, so that plate body height is more convenient when the different teacher of height uses, solves existing English teaching multimedia device during use, since the process for adjusting height is complicated, it is not easy to be adjusted so as to cause multimedia device, makes different height teachers unusual inconvenient problem when in use.
Description
Technical field
The present invention relates to English teaching equipment technical field, specially a kind of English teaching easy to use is filled with multimedia
It sets.
Background technology
English teaching is an incremental process, be either for English or be not first language people come
Say, English study in globalization is all vital fast-developing today, with the rapid development of science and technology, English teaching with
Differed widely in the past, teaching can be digitized by multimedia device during teaching, the teaching multimedia device
Also referred to as electronic whiteboard.
Electronic whiteboard is a newer product, it summarizes a variety of high-tech hands such as sophisticated electronic technology, software technology
Paperless office and teaching may be implemented in conjunction with computer and projector in the new high-tech product of Duan Yanfa, it can be as common
Blank or blackboard for education are equally directly write with pen, and then defeated to going in computer, relative to projector, common blank, electronics is white
The advantages of plate has its own, but existing English teaching with multimedia device during use, due to adjusting height
Process is complicated, is not easy to be adjusted so as to cause multimedia device, keeps different height teachers very inconvenient when in use.
Invention content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of English teaching multimedia device easy to use, solutions
Existing English teaching multimedia device determined during use, since the process for adjusting height is complicated, so as to cause
Multimedia device is not easy to be adjusted, and makes different height teachers unusual inconvenient problem when in use.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of English teaching easy to use
With multimedia device, including plate body, dust-proof mechanism is provided at the top of the plate body, the bottom of the plate body is fixed to be connected with
Regulating mechanism, the one end of the regulating mechanism far from plate body are fixedly connected with support plate, and the upper surface of the support plate, which is fixed, to be connected
It is connected to positioning reducing mechanism, the described positioning one end of reducing mechanism far from support plate is fixedly connected with the bottom of plate body.
Preferably, the inside of the dust-proof mechanism includes fixed block, and the quantity of the fixed block is two, two fixations
It is fixedly connected at the top of the lower surface of block and plate body, the opposite one side of two fixed blocks offers two loose slots of loose slot
Inside is connected with movable block, and two opposite one sides of movable block are fixedly connected by roll shaft, and the surface of the roll shaft twines
It is wound with dustproof membrane, the upper surface of the dustproof membrane is fixedly connected with inserted block.When without using plate body, can catch inserted block downwards into
Row pulls, and inserted block can drive dustproof membrane to be detached from downwards from the surface of roll shaft at this time, as dustproof membrane pulls downward on, the two of dustproof membrane
Side can be moved down in the inside of auxiliary tank, and when inserted block is moved to the position of limited block, inserted block can be inserted into card slot
Dustproof membrane can be fixed at this time for portion, prevent dustproof membrane from occurring loosening influence dust-proof effect.
Preferably, the inside of the regulating mechanism includes lifting leg, and the bottom and the top of lifting leg of the plate body are solid
The left and right sides of fixed connection, the lifting leg is overlapped with clamping plate, and two clamping plates are upper far from the one end and support plate for lifting leg
Surface is fixedly connected, and the lift span being connected with right side, the internal activity of the lift span are offered on the left of the lifting leg
It is connected with motion bar, the left and right sides of the motion bar is opposite with two clamping plates respectively to be fixedly connected on one side, the lifting leg
One end far from plate body is fixedly connected with the first spring, the upper surface of first spring one end and support plate far from lifting leg
It is fixedly connected.When the first spring discharges elastic force, the first spring can push lifting leg upwards so that lifting leg can be with
The height of plate body is adjusted upwards so that the height of plate body uses enhanced convenience for the different teacher of height.
Preferably, the inside of the positioning reducing mechanism includes bottom plate, the lower surface of the bottom plate and support plate it is upper
Surface is fixedly connected, side plate is fixedly connected on the right side of the bottom plate, is offered on the left of the side plate and is connected with right side
The internal activity of movable span, the movable span is connected with movable axis, and the right end of the movable axis is fixedly connected with handle, the work
The left end of moving axis is fixedly connected with idler wheel, and the surface wrap of the idler wheel has rope, the rope one end and plate far from idler wheel
The bottom of body is fixedly connected, and the upper surface of the bottom plate is fixedly connected with supporting rod, is offered on the left of the supporting rod and the right side
The left-hand face of the moving hole that side is connected, the idler wheel is connected with snap-gauge, and pull lever is fixedly connected on the left of the snap-gauge,
The surface of the pull lever is socketed with second spring, and the internal activity of the pull lever one end and moving hole far from snap-gauge connects
It connects, handle is overlapped on the left of the supporting rod, the right side of the handle is fixedly connected with the left end of pull lever.Second spring can
Snap-gauge to be pushed to the right using the elastic force of itself so that idler wheel can be fixed for snap-gauge, while be also by plate body
Height is fixed, and avoids plate body from being loosened after regulating height, when being rotated handle, handle can to roll
Wheel rotated, rope can be pulled downward on and be wrapped in the surface of idler wheel by idler wheel, it is possible thereby to by the height of plate body downwards into
Row is adjusted so that more convenient for teacher's use of different heights.
Preferably, the front of the plate body is fixedly connected with limited block, and the upper surface of the limited block offers card slot.It inserts
Inserted block can be inserted into the inside of card slot, at this time can be consolidated dustproof membrane by block when pulling downward on to the position of limited block
It is fixed so that dustproof membrane, which avoids the occurrence of loosening, influences dust-proof effect.
Preferably, the quantity of the regulating mechanism is two, and two regulating mechanisms are symmetrical arranged with the central axes of support plate.
Regulating mechanism is used to be adjusted the height of plate body upwards, and the height of plate body is adjusted simultaneously can be with for two regulating mechanisms
So that plate body is more steady, plate body tilts when preventing from adjusting.
Preferably, the lower surface of the support plate opens up fluted, and the inside of the groove is inlaid with gravity block.Gravity block
Material be stainless steel manufacture, can with anti-corrosion, while using the gravity of itself increase support plate ground stability,
It is the increase in the stability of plate body.
Preferably, the lower surface of the support plate offers firm slot, and the inside of the firm slot is inlaid with rubber slab.Profit
With the contact between rubber slab and ground, it can effectively increase the frictional force between support plate and ground, to increase plate body
Stability.
Preferably, the positive both sides of the plate body have been fixedly connected with fixed plate, and two opposite one sides of fixed plate are opened
Equipped with auxiliary tank.When pulling downward on dustproof membrane, the left and right sides of dustproof membrane can be moved down in the inside of auxiliary tank, in this way
It can so that dustproof membrane is more preferable for the front sealing of plate body, to which dust-proof effect also can be more preferable.
Operation principle：In use, handle is pulled to the left, handle can pass through pull lever and snap-gauge is driven to be moved to the left, snap-gauge
Being moved to the left can detach from the surface of idler wheel, and the first spring can discharge elastic force and be pushed leg is lifted upwards at this time, lift leg
Plate body can be driven to move up when pushing up, plate body, which moves up, can make motion bar be moved down in the inside of lift span,
When the height of plate body reaches suitable height, by handle release, second spring can discharge elastic force and be pushed to the right, the second bullet
Spring can drive snap-gauge to move right when pushing to the right, and snap-gauge, which moves right, can be stuck in the left-hand face of idler wheel.
(3) advantageous effect
1, the English teaching multimedia device easy to use passes through the phase between the first spring, clamping plate and lifting leg
Mutually cooperation, reaches the promotion using the first spring so that convenient for the height of plate body to be adjusted so that plate body height is in height
Different teachers is more convenient when using, and solves existing English teaching multimedia device during use, by
It is complicated in the process for adjusting height, it is not easy to be adjusted so as to cause multimedia device, makes different height teachers when in use
Very inconvenient problem.
2, the English teaching multimedia device easy to use is reached by the mutual cooperation between dustproof membrane and roll shaft
It is rotated to roll shaft so that dustproof membrane can pull downward on and be sealed plate body front, prevent dust in plate body
Surface causes to accumulate, and by the mutual cooperation between inserted block and card slot, reaching can will be prevented using the inside of inserted block insertion card slot
Dirt film is limited, and dustproof membrane is avoided to occur loosening influence dust-proof effect from plate body front.
3, the English teaching multimedia device easy to use, passes through the phase between second spring, pull lever and snap-gauge
Mutually cooperation reaches convenient for making snap-gauge that idler wheel is fixed using the promotion of second spring, to be also by the height of plate body
It is fixed.
4, the English teaching multimedia device easy to use, by the mutual cooperation between idler wheel, rope and handle,
Reach by rotating handle, to be adjusted the height of plate body downwards in the winding of roller surface using rope so that religion
Teacher's enhanced convenience when being imparted knowledge to students using plate body.
5, the English teaching multimedia device easy to use reaches profit by consolidating the rubber slab being arranged inside slot
With the contact between rubber slab and ground, it can effectively increase the frictional force between support plate and ground, to increase plate body
Stability, the gravity block being arranged by inside grooves reaches and increases support plate in the firm of ground using the gravity of gravity block
Property, to also be the increase in the stability of plate body.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is dust-proof mechanism partial structurtes enlarged drawing in Fig. 1 of the present invention；
Fig. 3 is regulating mechanism partial structurtes enlarged drawing in Fig. 1 of the present invention；
Fig. 4 is that reducing mechanism partial structurtes enlarged drawing is positioned in Fig. 1 of the present invention.
Wherein, 1 plate body, 2 dust-proof mechanisms, 201 fixed blocks, 202 loose slots, 203 movable blocks, 204 inserted blocks, 205 dustproof membranes,
206 roll shafts, 3 regulating mechanisms, 301 motion bars, 302 clamping plates, 303 lifting legs, 304 first springs, 305 lift spans, 4 positioning reduce
Mechanism, 401 bottom plates, 402 side plates, 403 handles, 404 movable axis, 405 movable spans, 406 idler wheels, 407 ropes, 408 snap-gauges, 409
Second spring, 410 supporting rods, 411 handles, 412 moving hole, 413 pull lever, 5 auxiliary tanks, 6 fixed plates, 7 card slots, 8 limited blocks,
9 grooves, 10 gravity blocks, 11 support plates, 12 firm slots, 13 rubber slabs.
Specific implementation mode
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 describes, 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.
As shown in Figs 1-4, the embodiment of the present invention provides a kind of English teaching multimedia device easy to use, including plate
The front of body 1, plate body 1 is fixedly connected with limited block 8, and the upper surface of limited block 8 offers card slot 7, and the positive both sides of plate body 1 are equal
It is fixedly connected with fixed plate 6, the opposite one side of two fixed plates 6 offers auxiliary tank 5, and the top of plate body 1 is provided with dust-proof
The inside of mechanism 2, dust-proof mechanism 2 includes fixed block 201, and the quantity of fixed block 201 is two, under two fixed blocks 201
Surface is fixedly connected with the top of plate body 1, and the opposite one side of two fixed blocks 201 offers 202 two loose slots of loose slot
202 inside is connected with movable block 203, and the opposite one side of two movable blocks 203 is fixedly connected by roll shaft 206, roller
The surface wrap of axis 206 has dustproof membrane 205, the upper surface of dustproof membrane 205 to be fixedly connected with inserted block 204；
The bottom of plate body 1 is fixed to be connected with regulating mechanism 3, and the inside of regulating mechanism 3 includes lifting leg 303, plate body 1
Bottom with lifting leg 303 top be fixedly connected, lifting leg 303 the left and right sides be overlapped with clamping plate 302, two clamping plates
302 one end far from lifting leg 303 are fixedly connected with the upper surface of support plate 11, and the left side of lifting leg 303 offers and right side
The internal activity of the lift span 305 being connected, lift span 305 is connected with motion bar 301, the left and right sides difference of motion bar 301
Opposite with two clamping plates 302 is fixedly connected on one side, and the one end of lifting leg 303 far from plate body 1 is fixedly connected with the first spring
304, the one end of the first spring 304 far from lifting leg 303 is fixedly connected with the upper surface of support plate 11, the quantity of regulating mechanism 3
It it is two, two regulating mechanisms 3 are symmetrical arranged with the central axes of support plate 11；
The one end of regulating mechanism 3 far from plate body 1 is fixedly connected with support plate 11, and the lower surface of support plate 11 opens up fluted
9, the inside of groove 9 is inlaid with gravity block 10, and the lower surface of support plate 11 offers firm slot 12, and the inside of firm slot 12 is inlayed
There are rubber slab 13, the upper surface of support plate 11 to be fixedly connected with positioning reducing mechanism 4, the inside of positioning reducing mechanism 4 includes
The lower surface of bottom plate 401, bottom plate 401 is fixedly connected with the upper surface of support plate 11, and the right side of bottom plate 401 is fixedly connected with side plate
402, the left side of side plate 402 offers the movable span 405 being connected with right side, and the internal activity of movable span 405 is connected with activity
The right end of axis 404, movable axis 404 is fixedly connected with handle 403, and the left end of movable axis 404 is fixedly connected with idler wheel 406, idler wheel
406 surface wrap has rope 407, the one end of rope 407 far from idler wheel 406 to be fixedly connected with the bottom of plate body 1, bottom plate 401
Upper surface be fixedly connected with supporting rod 410, the left side of supporting rod 410 offers the moving hole 412 being connected with right side, idler wheel
406 left-hand face is connected with snap-gauge 408, and the left side of snap-gauge 408 is fixedly connected with pull lever 413, the surface set of pull lever 413
It is connected to second spring 409, the one end of pull lever 413 far from snap-gauge 408 is connect with the internal activity of moving hole 412, supporting rod 410
Left side be overlapped with handle 411, the right side of handle 411 is fixedly connected with the left end of pull lever 413, positioning reducing mechanism 4 it is separate
One end of support plate 11 is fixedly connected with the bottom of plate body 1.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of English teaching multimedia device easy to use, including plate body (1), it is characterised in that：The plate body (1)
Top is provided with dust-proof mechanism (2), and the bottom of the plate body (1) is fixed to be connected with regulating mechanism (3), the regulating mechanism
(3) one end far from plate body (1) is fixedly connected with support plate (11), and the upper surface of the support plate (11) is fixedly connected with positioning
Reducing mechanism (4), the described one end of positioning reducing mechanism (4) far from support plate (11) are fixedly connected with the bottom of plate body (1).
2. a kind of English teaching multimedia device easy to use according to claim 1, it is characterised in that：It is described anti-
The inside of dirt mechanism (2) includes fixed block (201), and the quantity of the fixed block (201) is two, two fixed blocks (201)
Lower surface and plate body (1) at the top of be fixedly connected, two opposite one sides of fixed block (201) offer loose slot (202)
The inside of two loose slots (202) is connected with movable block (203), two movable blocks (203) it is opposite pass through roller on one side
Axis (206) is fixedly connected, and the surface wrap of the roll shaft (206) has dustproof membrane (205), the upper surface of the dustproof membrane (205)
It is fixedly connected with inserted block (204).
3. a kind of English teaching multimedia device easy to use according to claim 1, it is characterised in that：The tune
The inside of section mechanism (3) includes lifting leg (303), and the bottom of the plate body (1) is fixed with the top of lifting leg (303) to be connected
It connects, the left and right sides of the lifting leg (303) is overlapped with clamping plate (302), and two clamping plates (302) are far from lifting leg (303)
One end is fixedly connected with the upper surface of support plate (11), and the liter being connected with right side is offered on the left of the lifting leg (303)
It drops hole (305), the internal activity of the lift span (305) is connected with motion bar (301), the left and right two of the motion bar (301)
Side respectively with two clamping plates (302) are opposite is fixedly connected on one side, the described one end of lifting leg (303) far from plate body (1) is fixed
It is connected with the first spring (304), the upper table of first spring (304) one end and support plate (11) far from lifting leg (303)
Face is fixedly connected.
4. a kind of English teaching multimedia device easy to use according to claim 1, it is characterised in that：It is described fixed
The inside of position reducing mechanism (4) includes bottom plate (401), the upper surface of the lower surface and support plate (11) of the bottom plate (401)
It is fixedly connected, side plate (402) is fixedly connected on the right side of the bottom plate (401), offered on the left of the side plate (402) and the right side
The internal activity of the movable span (405) that side is connected, the movable span (405) is connected with movable axis (404), the movable axis
(404) right end is fixedly connected with handle (403), and the left end of the movable axis (404) is fixedly connected with idler wheel (406), described
The surface wrap of idler wheel (406) has rope (407), the bottom of the rope (407) one end and plate body (1) far from idler wheel (406)
Portion is fixedly connected, and the upper surface of the bottom plate (401) is fixedly connected with supporting rod (410), is opened on the left of the supporting rod (410)
Equipped with the moving hole (412) being connected with right side, the left-hand face of the idler wheel (406) is connected with snap-gauge (408), the snap-gauge
(408) pull lever (413) is fixedly connected on the left of, the surface of the pull lever (413) is socketed with second spring (409), institute
The one end of pull lever (413) far from snap-gauge (408) is stated to connect with the internal activity of moving hole (412), the supporting rod (410)
Left side is overlapped with handle (411), and the right side of the handle (411) is fixedly connected with the left end of pull lever (413).
5. a kind of English teaching multimedia device easy to use according to claim 1, it is characterised in that：The plate
The front of body (1) is fixedly connected with limited block (8), and the upper surface of the limited block (8) offers card slot (7).
6. a kind of English teaching multimedia device easy to use according to claim 1, it is characterised in that：The tune
The quantity for saving mechanism (3) is two, and two regulating mechanisms (3) are symmetrical arranged with the central axes of support plate (11).
7. a kind of English teaching multimedia device easy to use according to claim 1, it is characterised in that：The branch
The lower surface of fagging (11) opens up fluted (9), and the inside of the groove (9) is inlaid with gravity block (10).
8. a kind of English teaching multimedia device easy to use according to claim 1, it is characterised in that：The branch
The lower surface of fagging (11) offers firm slot (12), and the inside of the firm slot (12) is inlaid with rubber slab (13).
9. a kind of English teaching multimedia device easy to use according to claim 1, it is characterised in that：The plate
The positive both sides of body (1) have been fixedly connected with fixed plate (6), and two opposite one sides of fixed plate (6) offer auxiliary tank
(5)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810346426.0A CN108682192A (en) | 2018-04-17 | 2018-04-17 | A kind of English teaching multimedia device easy to use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810346426.0A CN108682192A (en) | 2018-04-17 | 2018-04-17 | A kind of English teaching multimedia device easy to use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108682192A true CN108682192A (en) | 2018-10-19 |
Family
ID=63801052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810346426.0A Pending CN108682192A (en) | 2018-04-17 | 2018-04-17 | A kind of English teaching multimedia device easy to use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108682192A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111798705A (en) * | 2020-07-14 | 2020-10-20 | 江苏电子信息职业学院 | English learning auxiliary teaching aid and English word pronunciation training method |
| US11723465B2 (en) * | 2020-07-10 | 2023-08-15 | Nadun Gajapala | Automatically adjusting writing board |
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|---|---|---|---|---|
| WO2017014537A1 (en) * | 2015-07-22 | 2017-01-26 | 오준석 | Whiteboard lifting device |
| CN206480234U (en) * | 2017-02-28 | 2017-09-08 | 福州外语外贸学院 | A kind of Multi-functional English teaching board |
| CN206649718U (en) * | 2017-04-05 | 2017-11-17 | 江西财经职业学院 | A kind of Oral English Training device |
| CN107455963A (en) * | 2017-08-28 | 2017-12-12 | 肖述盛 | A kind of Multifunctional mathematics teaching equipment |
| CN107692599A (en) * | 2017-10-19 | 2018-02-16 | 绍兴柯桥韩玉电子科技有限公司 | A kind of teaching Graphic Panel for being easy to adjust height |
-
2018
- 2018-04-17 CN CN201810346426.0A patent/CN108682192A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017014537A1 (en) * | 2015-07-22 | 2017-01-26 | 오준석 | Whiteboard lifting device |
| CN206480234U (en) * | 2017-02-28 | 2017-09-08 | 福州外语外贸学院 | A kind of Multi-functional English teaching board |
| CN206649718U (en) * | 2017-04-05 | 2017-11-17 | 江西财经职业学院 | A kind of Oral English Training device |
| CN107455963A (en) * | 2017-08-28 | 2017-12-12 | 肖述盛 | A kind of Multifunctional mathematics teaching equipment |
| CN107692599A (en) * | 2017-10-19 | 2018-02-16 | 绍兴柯桥韩玉电子科技有限公司 | A kind of teaching Graphic Panel for being easy to adjust height |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11723465B2 (en) * | 2020-07-10 | 2023-08-15 | Nadun Gajapala | Automatically adjusting writing board |
| CN111798705A (en) * | 2020-07-14 | 2020-10-20 | 江苏电子信息职业学院 | English learning auxiliary teaching aid and English word pronunciation training method |
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Application publication date: 20181019 |