CN111145605A - Multifunctional electronic blackboard system for teaching - Google Patents
Multifunctional electronic blackboard system for teaching Download PDFInfo
- Publication number
- CN111145605A CN111145605A CN202010068673.6A CN202010068673A CN111145605A CN 111145605 A CN111145605 A CN 111145605A CN 202010068673 A CN202010068673 A CN 202010068673A CN 111145605 A CN111145605 A CN 111145605A
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- display screen
- screen device
- slide rail
- support frame
- back plate
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- Pending
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 7
- 239000002023 wood Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
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Classifications
-
- 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
- G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention relates to the technical field of teaching equipment, in particular to a multifunctional electronic blackboard system for teaching, which comprises a board blackboard, a computer, a multi-screen splicing controller, a first display screen device and a second display screen device, wherein the board blackboard is provided with a plurality of display screens; an upper support frame and a lower support frame are respectively arranged on the upper side edge and the lower side edge of the board blackboard, a first slide rail and a second slide rail are arranged on the lower support frame, a first slide block used for mounting a first display screen device is arranged on the first slide rail, a second slide block used for mounting a second display screen device is arranged on the second slide rail, and a first sliding groove and a second sliding groove are formed in the upper support frame; the first display screen device and the second display screen device comprise a back plate, display screens arranged on the back plate, a power supply interface and switch keys, a lithium battery module, a charging protection module, a processor and a display screen wireless communication module are arranged between the back plate and the display screens, and all circuit modules are connected in a matched mode. The invention can not only write on the board by hand, but also support the network media to carry out teaching.
Description
Technical Field
The invention relates to the technical field of teaching equipment, in particular to a multifunctional electronic blackboard system for teaching.
Background
The traditional teaching blackboard comprises a board blackboard, a cement board blackboard, a novel material composite board and the like, and can be written on by using special writing materials such as chalks. The teaching blackboard is not particularly limited to a black board surface, and can also be white, beige or dark green. The traditional teaching blackboard has the advantages that a teacher can write on the blackboard conveniently, the writing hand feeling is good, the chalk is used for writing, the eyes of a person are not stimulated, and the traditional teaching blackboard is a mainstream teaching device at present. The main disadvantage of the traditional teaching blackboard is that the teaching can not be carried out by means of network media.
Disclosure of Invention
Therefore, in order to solve the above problems, the present invention provides a multifunctional electronic blackboard system for teaching, which can not only write a blackboard-writing, but also support network media to perform teaching.
In order to achieve the purpose, the invention adopts the following technical scheme: a multifunctional electronic blackboard system for teaching also comprises a computer, a multi-screen splicing controller, a first display screen device and a second display screen device; the multi-screen splicing controller comprises a multi-screen splicing processor provided with splicing screen control software, a power module, a first HDMI wireless transmitter and a second HDMI wireless transmitter, wherein the multi-screen splicing processor comprises a power end, a communication interface and a plurality of HDMI output ends;
an upper support frame is arranged on the upper side edge of the board blackboard, a lower support frame is arranged on the lower side edge of the board blackboard, a first slide rail and a second slide rail which are parallel to each other are arranged on the lower support frame along the length direction of the lower support frame, the second slide rail is close to one side of the board blackboard, anti-slip blocks are arranged at two ends of the first slide rail and the second slide rail on the lower support frame, a first slide block capable of sliding on the first slide rail is arranged on the first slide rail, a second slide block capable of sliding on the second slide rail is arranged on the second slide rail, a first slide groove matched with the first slide rail is formed in the upper support frame along the length direction of the upper support frame, and a second slide groove matched with the second slide rail is formed in the upper support frame along the length direction of the upper support frame;
the first display screen device and the second display screen device both comprise a back plate and a display screen arranged on the back plate, the back plate is provided with a power interface and a switch key, an installation cavity is formed between the back plate and the display screen, a lithium battery module, a charging protection module, a processor and a display screen wireless communication module are arranged in the mounting cavity, the power interface is connected with a lithium battery module through a charging protection module, the lithium battery module is respectively and electrically connected with the power end of the processor and the power end of the display screen, the key switch is electrically connected with the processor, the display screen and the display screen wireless communication module are respectively in communication connection with the processor, the display screen wireless communication module of the first display screen device is in wireless communication connection with the first HDMI wireless transmitter of the multi-screen splicing controller, the display screen wireless communication module of the second display screen device is in wireless communication connection with the second HDMI wireless transmitter of the multi-screen splicing controller;
the bottom of the back plate of the first display screen device is fixedly arranged on the first sliding block, the top of the back plate of the first display screen device is limited in the first sliding groove, the bottom of the back plate of the second display screen device is fixedly arranged on the second sliding block, the top of the back plate of the second display screen device is limited in the second sliding groove, and the first display screen device and the second display screen device are not in contact with each other when sliding.
Further, the device also comprises a loudspeaker which is electrically connected with the processor.
Further, the microphone is further included, and the microphone is electrically connected with the processor.
Further, the system also comprises a keyboard and a mouse, wherein the keyboard and the mouse are electrically connected with the computer respectively.
Further, still include the camera, the camera is connected with the treater electricity.
Furthermore, the display screens of the first display screen device and the second display screen device are both touch screens.
Furthermore, the sum of the areas of the display screens of the first display screen device and the second display screen device is smaller than the area of the wood board blackboard.
By adopting the technical scheme, the invention has the beneficial effects that: this a multi-functional electronic blackboard system for teaching has set up two gliding first display screen devices and second display screen device through the basis at the plank blackboard to first display screen device and second display screen device divide the screen through many screen splice controller control, open the courseware with the computer. When the writing of the writing board is not needed, the picture opened by the computer can be split by the multi-screen splicing controller through the first display screen device and the second display screen device, so that a larger picture can be obtained; when the blackboard writing is needed, the second display screen device can be closed, the first display screen device independently displays the picture opened by the computer, and the teacher can freely move the first display screen device and the second display screen device and write the blackboard writing on the board blackboard. Furthermore, a loudspeaker and a microphone are arranged for playing audio courseware, and the microphone picks up audio and amplifies the audio through the loudspeaker. The computer can be further provided with a recording teaching video, a camera is used for shooting video images, a microphone is used for picking up teaching audio information, the teaching audio information is stored in the computer, the computer uploads the teaching video to a corresponding video learning website for storage, and students can access the video learning website to obtain the teaching video for review.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a first slide rail and a second slide rail according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an upper support frame of an embodiment of the present invention;
FIG. 4 is a sectional view showing an installation structure of a blackboard made of wood, a first display screen device and a second display screen device according to an embodiment of the present invention;
FIG. 5 is a block diagram of the circuit connections of an embodiment of the present invention.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and detailed description.
Referring to fig. 1, 2, 3, 4, and 5, the present embodiment provides a multifunctional electronic blackboard system for teaching, including a wooden blackboard 1, an upper support frame 2, a lower support frame 3, a first display screen device 4, a second display screen device 5, a first slide rail 6, a second slide rail 7, two non-slip blocks 8, a multi-screen splicing controller 9, a computer 10, a speaker 11, a microphone 12, a camera 13, a keyboard 14, and a mouse 15. The board blackboard 1 is fixedly arranged on a wall, and the loudspeaker 11, the microphone 12, the camera 13, the keyboard 14 and the mouse 15 are respectively and electrically connected with the computer 10. The teacher may copy the courseware onto the computer 10.
The upper supporting frame 2 is arranged on the upper side edge of the wood blackboard 1, and the lower supporting frame 3 is arranged on the lower side edge of the wood blackboard 1. First slide rail 6 and second slide rail 7 are along 3 length direction parallel arrangement of under bracing frame, just second slide rail 7 is close to 1 one side of plank blackboard, first slide rail 6 is for being close to human one side. The two anti-slip blocks 8 are respectively arranged on the lower support frame and positioned at two ends of the first slide rail 6 and the second slide rail 7. The slide rail structure is characterized in that a first slide block 61 capable of sliding on the first slide rail 6 is arranged on the first slide rail 6, a second slide block 71 capable of sliding on the second slide rail 7 is arranged on the second slide rail 7, a first slide groove 21 matched with the first slide rail 6 for use is formed in the upper support frame 2 along the length direction of the upper support frame 2, and a second slide groove 22 matched with the second slide rail 7 for use is formed in the upper support frame 2 along the length direction of the upper support frame 2.
The first display screen device 4 comprises a back plate 41 and a display screen 42 arranged on the back plate 41, wherein a switch key 43 and a power interface 44 are arranged on the back plate 41. The bottom of the back plate 41 of the first display screen device 4 is fixedly arranged on the first sliding block 61, and the top of the back plate 41 of the first display screen device 4 is limited in the first sliding groove 21. An installation cavity (not shown in the figure) is formed between the back plate 4 and the display screen 42, a processor 45, a charging protection module 46, a lithium battery module 47 and a display screen wireless communication module 48 are arranged in the installation cavity, the display screen wireless communication module 48 adopts a Wi-Fi module, and all the circuit modules are in the prior art. The power interface 43 is connected with a lithium battery module 47 through a charging protection module 46, the lithium battery module 47 is electrically connected with a power end of the processor 45 and a power end of the display screen 42, the key switch 44 is electrically connected with the processor 45, and the display screen 42 and the display screen wireless communication module 48 are respectively in communication connection with the processor 45.
The first display screen device 5 comprises a back plate 51 and a display screen 52 arranged on the back plate 51, wherein a switch button 53 and a power interface 54 are arranged on the back plate 51. The bottom of the back plate 51 of the second display screen device 5 is fixedly arranged on the second sliding block 71, and the top of the back plate 51 of the second display screen device 4 is limited in the second sliding groove 22. An installation cavity (not shown in the figure) is formed between the back plate 51 and the display screen 52, a processor 55, a charging protection module 56, a lithium battery module 57 and a display screen wireless communication module 58 are arranged in the installation cavity, the display screen wireless communication module 58 adopts a Wi-Fi module, and all the circuit modules are in the prior art. The power interface 53 is connected with a lithium battery module 57 through a charging protection module 56, the lithium battery module 57 is electrically connected with a power end of the processor 55 and a power end of the display screen 52, the key switch 54 is electrically connected with the processor 55, and the display screen 52 and the display screen wireless communication module 58 are respectively in communication connection with the processor 55. The first display screen device 4 and the second display screen device 5 do not contact with each other when sliding, and the sum of the areas of the display screen 42 of the first display screen device 4 and the display screen 52 of the second display screen device 5 is smaller than the area of the wooden blackboard 1.
The multi-screen splicing controller 9 includes a multi-screen splicing processor 91 installed with splicing screen control software, a power module 92, a first HDMI wireless transmitter 93, and a second HDMI wireless transmitter 94. In this embodiment, preferably, the multi-screen splicing processor 91 is a Kowil (KEWEILI) multi-screen splicing processor, the multi-screen splicing processor 9 has a power supply terminal, a communication port and a plurality of HDMI output terminals, the multi-screen splicing processor 9 is installed with splicing screen control software, the software is in the existing software technology, and the present invention does not relate to software improvement. The first HDMI wireless transmitter 94 and the second HDMI wireless transmitter 95 are both existing devices, and the first HDMI wireless transmitter 94 and the second HDMI wireless transmitter 95 both use Wi-Fi wireless transmission. The power module 92 is electrically connected to power terminals of the multi-screen splicing processor 9, a communication port of the multi-screen splicing processor 9 is connected to the computer 10 through a communication cable, and the first HDMI wireless transmitter 93 and the second HDMI wireless transmitter 94 are respectively connected to different HDMI output terminals of the multi-screen splicing processor 9. The multi-screen splicing controller 9 is configured to transmit a teaching courseware image opened by the computer 10 to the first display screen device 4 through the first HDMI wireless transmitter 93 for individual display; or split into two picture portions, and the video signals of the two picture portions send out wireless signals through the first HDMI wireless transmitter 94 and the second HDMI wireless transmitter 95, respectively. The display screen wireless communication module 48 of the first display screen device 4 is wirelessly communicatively connected to the first HDMI wireless transmitter 93 of the multi-screen splicing controller 9, and the display screen wireless communication module 58 of the second display screen device 5 is wirelessly communicatively connected to the second HDMI wireless transmitter 94 of the multi-screen splicing controller 9.
This a multi-functional electronic blackboard system for teaching has set up two gliding first display screen devices 4 and second display screen device 5 through on plank blackboard 1's basis to first display screen device 4 and second display screen device 5 divide the screen through many screen splice controller 9 control. The courseware is opened by a computer, and when the writing of the tablet is not needed, the picture opened by the computer can be split by the multi-screen splicing controller 9 through the first display screen device 4 and the second display screen device 5, so that a larger picture can be obtained; when the blackboard writing is needed, the second display screen device 5 can be closed, the first display screen device 4 independently displays the picture of the computer, a teacher can move the first display screen device 4 and the second display screen device 5 freely to expose the board blackboard 1, and the blackboard writing is written on the board blackboard 1.
By arranging a loudspeaker 11 and a microphone 12 for playing audio courseware, the microphone 12 picks up audio and amplifies the audio through the loudspeaker 11. The computer 10 can also be set to record teaching videos, video images are shot through the camera 13, teaching audio information is picked up through the microphone 12 and stored in the computer 10, the teaching videos are uploaded to the corresponding video learning websites through the computer 10 to be stored, and students can access the video learning websites to obtain the teaching videos for review.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides a multi-functional electronic blackboard system for teaching, is including fixing the plank blackboard on the wall, its characterized in that: the multi-screen splicing controller comprises a computer, a multi-screen splicing controller, a first display screen device and a second display screen device; the multi-screen splicing controller comprises a multi-screen splicing processor provided with splicing screen control software, a power module, a first HDMI wireless transmitter and a second HDMI wireless transmitter, wherein the multi-screen splicing processor comprises a power end, a communication interface and a plurality of HDMI output ends;
an upper support frame is arranged on the upper side edge of the board blackboard, a lower support frame is arranged on the lower side edge of the board blackboard, a first slide rail and a second slide rail which are parallel to each other are arranged on the lower support frame along the length direction of the lower support frame, the second slide rail is close to one side of the board blackboard, anti-slip blocks are arranged at two ends of the first slide rail and the second slide rail on the lower support frame, a first slide block capable of sliding on the first slide rail is arranged on the first slide rail, a second slide block capable of sliding on the second slide rail is arranged on the second slide rail, a first slide groove matched with the first slide rail is formed in the upper support frame along the length direction of the upper support frame, and a second slide groove matched with the second slide rail is formed in the upper support frame along the length direction of the upper support frame;
the first display screen device and the second display screen device both comprise a back plate and a display screen arranged on the back plate, the back plate is provided with a power interface and a switch key, an installation cavity is formed between the back plate and the display screen, a lithium battery module, a charging protection module, a processor and a display screen wireless communication module are arranged in the mounting cavity, the power interface is connected with a lithium battery module through a charging protection module, the lithium battery module is respectively and electrically connected with the power end of the processor and the power end of the display screen, the key switch is electrically connected with the processor, the display screen and the display screen wireless communication module are respectively in communication connection with the processor, the display screen wireless communication module of the first display screen device is in wireless communication connection with the first HDMI wireless transmitter of the multi-screen splicing controller, the display screen wireless communication module of the second display screen device is in wireless communication connection with the second HDMI wireless transmitter of the multi-screen splicing controller;
the bottom of the back plate of the first display screen device is fixedly arranged on the first sliding block, the top of the back plate of the first display screen device is limited in the first sliding groove, the bottom of the back plate of the second display screen device is fixedly arranged on the second sliding block, the top of the back plate of the second display screen device is limited in the second sliding groove, and the first display screen device and the second display screen device are not in contact with each other when sliding.
2. A multi-functional electronic blackboard system for teaching according to claim 1, wherein: the computer also comprises a loudspeaker which is electrically connected with the computer.
3. A multi-functional electronic blackboard system for teaching as claimed in claim 2, wherein: the computer also comprises a microphone which is electrically connected with the computer.
4. A multi-functional electronic blackboard system for teaching according to claim 3, wherein: the computer also comprises a keyboard and a mouse which are electrically connected with the computer respectively.
5. A multi-functional electronic blackboard system for teaching according to claim 4, wherein: still include the camera, the camera is connected with the computer electricity.
6. A multi-functional electronic blackboard system for teaching according to any one of claims 1 to 5, wherein: and the display screens of the first display screen device and the second display screen device are both touch screens.
7. A multi-functional electronic blackboard system for teaching according to claim 6, wherein: the sum of the areas of the display screens of the first display screen device and the second display screen device is smaller than the area of the wood board blackboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010068673.6A CN111145605A (en) | 2020-01-21 | 2020-01-21 | Multifunctional electronic blackboard system for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010068673.6A CN111145605A (en) | 2020-01-21 | 2020-01-21 | Multifunctional electronic blackboard system for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111145605A true CN111145605A (en) | 2020-05-12 |
Family
ID=70526533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010068673.6A Pending CN111145605A (en) | 2020-01-21 | 2020-01-21 | Multifunctional electronic blackboard system for teaching |
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| Country | Link |
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| CN (1) | CN111145605A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111477039A (en) * | 2020-05-19 | 2020-07-31 | 沈德磊 | Surrounding type multi-screen three-dimensional display teaching flat plate mechanism |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050000267A (en) * | 2003-06-23 | 2005-01-03 | 최해용 | Board with a projection screen in side. |
| CN202806064U (en) * | 2012-04-10 | 2013-03-20 | 肖菊 | Multimedia teaching blackboard |
| CN103226454A (en) * | 2013-03-28 | 2013-07-31 | 华中科技大学 | Method and system for achieving multiscreen display |
| CN105931499A (en) * | 2016-06-27 | 2016-09-07 | 山西大学 | Electronic blackboard system and method for using electronic teaching resources |
| CN105957411A (en) * | 2016-06-25 | 2016-09-21 | 陕西科技大学 | Wall-mounted type legal teaching electronic screen demonstration mechanism |
| CN206848994U (en) * | 2017-06-06 | 2018-01-05 | 天津青年职业学院 | Computer jacking system and computer room |
| CN207403438U (en) * | 2017-06-06 | 2018-05-25 | 沧州师范学院 | A kind of multi-screen clipboard |
| CN207676512U (en) * | 2016-12-28 | 2018-07-31 | 深圳安道云科股份有限公司 | Integration education blackboard |
| CN109597598A (en) * | 2018-10-26 | 2019-04-09 | 珠海中电数码科技有限公司 | A kind of multi-screen command processing method and its system shielding blackboard comprehensively for intelligence |
| CN109841155A (en) * | 2017-11-29 | 2019-06-04 | 谢小燕 | A kind of multi-screen display |
| CN209560744U (en) * | 2019-01-18 | 2019-10-29 | 无锡工艺职业技术学院 | A kind of image teaching displaying device |
| CN209641099U (en) * | 2018-07-19 | 2019-11-15 | 宁波极呈光电有限公司 | A kind of electronic blackboard and tutoring system |
| CN211375832U (en) * | 2020-01-21 | 2020-08-28 | 泉州安达电子有限公司 | Multifunctional electronic blackboard system for teaching |
-
2020
- 2020-01-21 CN CN202010068673.6A patent/CN111145605A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050000267A (en) * | 2003-06-23 | 2005-01-03 | 최해용 | Board with a projection screen in side. |
| CN202806064U (en) * | 2012-04-10 | 2013-03-20 | 肖菊 | Multimedia teaching blackboard |
| CN103226454A (en) * | 2013-03-28 | 2013-07-31 | 华中科技大学 | Method and system for achieving multiscreen display |
| CN105957411A (en) * | 2016-06-25 | 2016-09-21 | 陕西科技大学 | Wall-mounted type legal teaching electronic screen demonstration mechanism |
| CN105931499A (en) * | 2016-06-27 | 2016-09-07 | 山西大学 | Electronic blackboard system and method for using electronic teaching resources |
| CN207676512U (en) * | 2016-12-28 | 2018-07-31 | 深圳安道云科股份有限公司 | Integration education blackboard |
| CN207403438U (en) * | 2017-06-06 | 2018-05-25 | 沧州师范学院 | A kind of multi-screen clipboard |
| CN206848994U (en) * | 2017-06-06 | 2018-01-05 | 天津青年职业学院 | Computer jacking system and computer room |
| CN109841155A (en) * | 2017-11-29 | 2019-06-04 | 谢小燕 | A kind of multi-screen display |
| CN209641099U (en) * | 2018-07-19 | 2019-11-15 | 宁波极呈光电有限公司 | A kind of electronic blackboard and tutoring system |
| CN109597598A (en) * | 2018-10-26 | 2019-04-09 | 珠海中电数码科技有限公司 | A kind of multi-screen command processing method and its system shielding blackboard comprehensively for intelligence |
| CN209560744U (en) * | 2019-01-18 | 2019-10-29 | 无锡工艺职业技术学院 | A kind of image teaching displaying device |
| CN211375832U (en) * | 2020-01-21 | 2020-08-28 | 泉州安达电子有限公司 | Multifunctional electronic blackboard system for teaching |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111477039A (en) * | 2020-05-19 | 2020-07-31 | 沈德磊 | Surrounding type multi-screen three-dimensional display teaching flat plate mechanism |
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