CN220526457U - Intelligent classroom is with melting media teaching device - Google Patents
Intelligent classroom is with melting media teaching device Download PDFInfo
- Publication number
- CN220526457U CN220526457U CN202322107826.5U CN202322107826U CN220526457U CN 220526457 U CN220526457 U CN 220526457U CN 202322107826 U CN202322107826 U CN 202322107826U CN 220526457 U CN220526457 U CN 220526457U
- Authority
- CN
- China
- Prior art keywords
- cabinet body
- rotating shaft
- plate
- scanner
- computer display
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002844 melting Methods 0.000 title claims description 12
- 230000008018 melting Effects 0.000 title claims description 12
- 239000000463 material Substances 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 23
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model belongs to the technical field of online teaching equipment, and particularly relates to a fused medium teaching device for an intelligent classroom, which comprises a device cabinet body, wherein a drawer is slidably arranged on one side surface of the inner side of the device cabinet body, the drawer is used for placing teaching materials, a scanner is fixedly arranged at the upper end of the drawer, a device platform is fixedly arranged on one side surface of the device cabinet body, a computer display screen is arranged on one side surface of the device platform and is connected with an electric signal of the scanner, the scanner is connected with the scanner through an external power supply, when the scanner is opened, the teaching materials on the drawer below are scanned by the scanner and then are transmitted to the computer display screen on the device platform through the electric signal, the computer display screen is connected with the Internet, and when the computer display screen receives the information transmitted by the scanner, the teaching materials required by staff can be automatically jumped out, so that the teaching of the staff is more convenient.
Description
Technical Field
The utility model belongs to the technical field of online teaching equipment, and particularly relates to a fused medium teaching device for an intelligent classroom.
Background
The fused media service platform generally refers to the reasonable integration of resources in aspects of manpower, content, propaganda and the like of the traditional media and the new media, and takes the improvement as a means to bring the advantages of the traditional media and the new media into play, so that the intentional contention of single media is changed into the common intentional contention of multimedia.
The existing teachers also need to write a lesson preparation scheme and a teaching plan before taking lessons, and multimedia courseware is also needed to be arranged, so that many teachers can search relevant information required in the Internet continuously in the rest time of lessons, and the teachers can use the relevant information after classifying and summarizing the relevant information, and therefore the time and effort of the teacher work are very long.
In view of this, we propose a fused medium teaching device for intelligent classrooms.
Disclosure of Invention
The utility model aims to provide a fused medium teaching device for a smart classroom, aiming at the technical problems.
In view of the above, the utility model provides a fused medium teaching device for a smart classroom, which comprises a device cabinet body, wherein a drawer is slidably arranged on one side surface of the inner side of the device cabinet body, the drawer is used for placing teaching materials, a scanner is fixedly arranged at the upper end of the drawer, a device platform is fixedly arranged on one side surface of the device cabinet body, and a computer display screen is arranged on one side surface of the device platform and is in electrical signal connection with the scanner.
Preferably, the book end mechanisms are fixedly arranged on one side surface inside the device cabinet body, the number of the book end mechanisms is two, the fixed blocks are fixedly arranged on one side surface inside the device cabinet body, the number of the fixed blocks is two, a first rotating shaft is rotatably arranged on one side surface of the fixed block, a first plate is rotatably arranged on the first rotating shaft, the number of the first plate is a plurality, a second rotating shaft is rotatably arranged on the first plate far away from the first rotating shaft, the number of the second rotating shaft is a plurality, a second plate is fixedly arranged on one side surface of the second rotating shaft, the second plate is used for pressing pages,
the book end mechanism comprises the fixing block, a first rotating shaft, a first plate, a second rotating shaft and a second plate.
Preferably, the device cabinet is internally and fixedly provided with a supporting plate, one side surface of the supporting plate is fixedly provided with a driving motor, the output end of the driving motor is rotationally connected with a third rotating shaft, a first gear is rotationally arranged on the third rotating shaft, and a second gear is engaged and connected on the first gear.
Preferably, the second gear is fixedly provided with a support column, one end of the support column, which is far away from the second gear, extends to the surface of one side of the device platform, the support column is fixedly provided with a disc, the disc is arranged above the device platform, and the disc is fixedly provided with a computer display screen.
Preferably, a camera is fixedly arranged on one side surface of the computer display screen, an infrared signal emitter is arranged on one side surface of the camera, and the camera is electrically connected with the driving motor.
Preferably, a device platform is fixedly arranged on one side surface of the device cabinet body, a microphone is arranged on one side surface of the device platform, and an infrared signal receiver is fixedly arranged on a base of the microphone.
Preferably, the lower surface of the device cabinet body is fixedly provided with a device base, the lower surface of the device cabinet body is fixedly provided with a control host, and one side surface of the device cabinet body is provided with a heat dissipation pore plate.
Preferably, a fan is fixedly arranged on the lower surface of the inner part of the device cabinet body, and the fan is used for radiating heat of the control host.
The beneficial effects of the utility model are as follows:
1. this wisdom classroom is with melting media teaching device passes through external power source through setting up the scanner and connects, when opening the scanner, during the scanner scans the teaching data on the drawer of below, through among the computer display screen on the signal transmission to the device platform, computer display screen inserts the internet, can jump out the required teaching data of staff automatically after the computer display screen receives the information of scanner transmission for staff's teaching is more convenient.
2. This smart classroom is with melting media teaching device, through setting up the camera and inserting the chip procedure in the camera, make the camera be used for some work demands of staff and discernment infrared signal receiver and staff's position, and set up to infrared signal receiver and be the priority, and there is infrared signal transmitter at camera one side surface mounting, when the infrared signal receiver on the microphone can accept the signal of setting up the in-range infrared signal transmitter transmission, computer display keeps motionless, when the infrared signal receiver on the microphone can not accept the signal of setting up the in-range infrared signal transmitter transmission, make the camera look for the position of staff, transmission signal to driving motor department simultaneously, thereby make computer display rotate, thereby make the staff when carrying out the work, no matter where can all see the content that computer display shows, thereby make staff teaching work more convenient.
Drawings
FIG. 1 is a schematic diagram of the overall right-view structure of the present utility model;
FIG. 2 is a schematic view of the right side structure of the present utility model;
FIG. 3 is a schematic view of the overall rear structure of the present utility model;
FIG. 4 is a schematic top view of the present utility model;
fig. 5 is a schematic structural view of the book end mechanism in the present utility model.
The label in the figure is:
1. a device cabinet; 2. a device platform; 3. a device base; 4. a heat dissipation orifice plate; 5. a drawer; 6. a computer display screen; 7. a microphone; 8. a camera; 9. an infrared signal emitter; 901. an infrared signal receiver; 10. a control host; 11. a scanner; 12. a fixed block; 13. a disc; 14. a support column; 15. a second gear; 16. a third rotating shaft; 17. a first gear; 18. a driving motor; 19. a fan; 20. a support plate; 21. a first plate; 22. a second plate; 23. a second rotating shaft; 24. a first rotating shaft; 25. a book end mechanism.
Detailed Description
The present application is described in further detail below in conjunction with fig. 1-5.
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.
The embodiment of the application discloses wisdom classroom is with melting media teaching device, including the device cabinet body 1, the inboard one side surface sliding mounting of device cabinet body 1 has drawer 5, and drawer 5 is used for placing teaching data, and drawer 5 upper end fixed mounting has scanner 11, and device cabinet body 1 one side surface fixed mounting has device platform 2, and device platform 2 one side surface is provided with computer display 6 and scanner 11 electric signal connection.
In one embodiment, a book end mechanism 25 is fixedly arranged on one side surface of the inside of the device cabinet body 1, the number of the book end mechanisms 25 is two, a fixed block 12 is fixedly arranged on one side surface of the inside of the device cabinet body 1, the number of the fixed blocks 12 is two, a first rotating shaft 24 is rotatably arranged on one side surface of the fixed block 12, a first plate 21 is rotatably arranged on the first rotating shaft 24, the number of the first plate 21 is a plurality, a second rotating shaft 23 is rotatably arranged on the first plate 21 far away from the first rotating shaft 24, the number of the second rotating shaft 23 is a plurality, a second plate 22 is fixedly arranged on one side surface of the second rotating shaft 23, the second plate 22 is used for pressing pages,
the book holder mechanism 25 includes the fixed block 12, the first rotation shaft 24, the first plate 21, the second rotation shaft 23, and the second plate 22.
Specifically, through setting up drawer 5 for staff can place the teaching material that needs in drawer 5 inside, adjust book end mechanism 25 to required angle back, push the page after flattening, scanner 11 passes through external power connection, when opening scanner 11, scanner 11 scans the teaching material on the below drawer 5 and passes through the signal transmission to the computer display screen 6 on device platform 2, make staff's teaching more convenient, through setting up book end mechanism 25, and the quantity of book end mechanism 25 is two, when the staff put into drawer 5 and scan with the teaching material, book end mechanism 25 can push down the page, make scanner 11 can more complete the scanning out the content on the page, through setting up fixed block 12 in device cabinet 1 inside, and a rotation axis 24 rotation is installed on one side surface of fixed block 12, the device cabinet 1 which can fix the book end mechanism 25 firmly is arranged inside, when a worker rotates the second plate 22 to press pages, the second rotating shaft 23 enables the second plate 22 to press pages at any angle, when the worker needs to use the book end mechanism 25, the second plate 22 moves to drive the first rotating shaft, the second rotating shaft and the first plate 21 to move when the second plate 22 stretches outwards, so that the second plate 22 can stretch to a required position, the second plate 22 can press pages, when the worker needs to take teaching data out of the drawer 5, the second plate 22 only needs to push the second plate 22 to the direction of the fixed block 12, the second plate 22 moves to drive the second rotating shaft 23, the first plate 21 and the first rotating shaft 24 to rotate, and the book end mechanism 25 is received at two sides of the upper end of the drawer 5, so that the staff can smoothly take out the teaching data.
In this embodiment, through setting up drawer 5 for the staff can place required teaching material inside drawer 5, after adjusting book end mechanism 25 to required angle, push the page behind flattening, scanner 11 passes through external power source and connects, when opening scanner 11, scanner 11 scans the teaching material on the below drawer 5 back through electric signal transmission to the computer display 6 on device platform 2, make the staff's teaching more convenient, when the staff rotated No. two boards 22 and pushed down the page, no. two axis of rotation 23 makes No. two boards 22 can the page of arbitrary angle, when the staff need use book end mechanism 25, no. two boards 22 motion drives No. one axis of rotation, no. two axis of rotation and No. one board 21 motion, thereby make No. two boards 22 can stretch to required position, thereby make No. two boards 22 can push down the page, when the staff need take out teaching material from drawer 5, only need push away No. two boards 22 to fixed block 12 direction No. two boards 22, no. two axes of rotation 23 and No. two boards 21 motion, thereby take out the side of the staff to take out to the end mechanism 25 smoothly, no. two boards 22 take out the teaching material, and take out to both sides 25.
In one embodiment, a supporting plate 20 is fixedly installed inside the device cabinet body 1, a driving motor 18 is fixedly installed on one side surface of the supporting plate 20, a third rotating shaft 16 is rotatably connected to the output end of the driving motor 18, a first gear 17 is rotatably installed on the third rotating shaft 16, and a second gear 15 is connected to the first gear 17 in a meshed mode.
Specifically, the output end of the driving motor 18 is rotationally connected with the third rotating shaft 16, and when the driving motor 18 is started, the third rotating shaft 16 rotates, so that the first gear 17 is driven to rotate, the second gear 15 is connected with the first gear 17 in a meshed mode, and the second gear 15 is driven to rotate when the first gear 17 rotates.
In this embodiment, the output end of the driving motor 18 is rotatably connected with the third rotating shaft 16, and when the driving motor 18 is turned on, the third rotating shaft 16 rotates, thereby driving the first gear 17 to rotate, and the second gear 15 is engaged and connected with the first gear 17, so that the second gear 15 is driven to rotate when the first gear 17 rotates.
In one embodiment, the second gear 15 is fixedly provided with a support column 14, one end of the support column 14 away from the second gear 15 extends to a side surface of the device platform 2, the support column 14 is fixedly provided with a disc 13, the disc 13 is above the device platform 2, and the disc 13 is fixedly provided with the computer display screen 6.
Specifically, the support column 14 is fixedly installed on the second gear 15, and the disc 13 is fixedly installed on the support column 14, so that the disc 13 rotates, and the computer display screen 6 rotates.
In this embodiment, the support column 14 is fixedly installed on the second gear 15, and the disc 13 is fixedly installed on the support column 14, so that the disc 13 rotates, and the computer display screen 6 rotates.
In one embodiment, a camera 8 is fixedly installed on one side surface of the computer display screen 6, an infrared signal emitter 9 is installed on one side surface of the camera 8, and the camera 8 is electrically connected with a driving motor 18.
Specifically, through setting up camera 8 and inserting the chip procedure in camera 8, make the camera 8 be used for some work demands of staff and discernment infrared signal receiver 901 and staff's position, and set up to infrared signal receiver 901 and be the priority, and surface mounting has infrared signal transmitter 9 on camera 8 one side, when infrared signal receiver 901 on microphone 7 can accept the signal of setting up the within range infrared signal transmitter 9 transmission, computer display 6 keeps motionless, when infrared signal receiver 901 on microphone 7 can not accept the signal of setting up within range infrared signal transmitter 9 transmission, make camera 8 look for the position of staff, transmission signal is to driving motor 18 department simultaneously, thereby make computer display 6 rotate, thereby make the staff when doing work, no matter what the computer display 6 shows can be seen, thereby make staff's teaching work more convenient.
In this embodiment, through setting up camera 8 and inserting the chip procedure in camera 8, make the camera 8 be used for some work demands of staff and discernment infrared signal receiver 901 and staff's position, and set up to infrared signal receiver 901 and be the priority, and surface mounting has infrared signal transmitter 9 on one side of camera 8, when infrared signal receiver 901 on microphone 7 can accept the signal of setting up the within range infrared signal transmitter 9 transmission, computer display 6 remains motionless, infrared signal receiver 901 on microphone 7 can not accept the signal of setting up the within range infrared signal transmitter 9 transmission, make camera 8 look for the position of staff, drive computer display 6 simultaneously and rotate, thereby make the staff in the during operation, no matter where can all see the content that computer display 6 shows, thereby make staff's teaching work more convenient.
In one embodiment, a device platform 2 is fixedly installed on one side surface of the device cabinet 1, a microphone 7 is placed on one side surface of the device platform 2, and an infrared signal receiver 901 is fixedly installed on the base of the microphone 7.
Specifically, by providing the infrared signal receiver 901, a specific frequency emitted from the infrared signal emitter 9 can be received.
In the present embodiment, by providing the infrared signal receiver 901, a specific frequency emitted from the infrared signal emitter 9 can be received.
In one embodiment, the lower surface of the device cabinet 1 is fixedly provided with a device base 3, the lower surface of the interior of the device cabinet 1 is fixedly provided with a control host 10, and one side surface of the device cabinet 1 is provided with a heat dissipation pore plate 4.
Specifically, through at the inside lower surface fixed mounting of device cabinet body 1 has control host computer 10 for computer display 6 can normally work, through having seted up heat dissipation orifice plate 4 at device cabinet body 1 one side surface, dispel the heat for control host computer 10, avoid control host computer 10 overheated influence work.
In this embodiment, the control host 10 is fixedly mounted on the lower surface of the inside of the device cabinet 1, so that the computer display screen 6 can work normally, and the heat dissipation pore plate 4 is provided on one side surface of the device cabinet 1 to dissipate heat for the control host 10, so as to avoid the influence of overheat of the control host 10 on work.
In one embodiment, a fan 19 is fixedly mounted on the lower surface of the interior of the device cabinet 1, and the fan 19 is used for controlling heat dissipation of the host 10.
Specifically, by providing the fan 19 to further dissipate heat of the control host 10, the operation is prevented from being affected by overheat of the control host 10.
In this embodiment, the fan 19 is provided to further dissipate heat of the control host 10, so as to avoid the influence of overheat of the control host 10 on the operation.
When the intelligent classroom fused medium teaching device is used, when a worker works, the worker pulls the drawer 5 open to place required teaching data in the drawer 5, adjusts the book clamp mechanism 25 to a required angle, then presses the book pages, the scanner 11 is connected with an external power supply, when the scanner 11 is opened, the scanner 11 scans the teaching data on the drawer 5 below and then transmits the scanning data to the computer display screen 6 on the device platform 2 through an electric signal, the computer display screen 6 is connected with the Internet, when the computer display screen 6 receives the information transmitted by the scanner 11, the worker can jump out the teaching data required by the worker automatically, when the worker needs to take the teaching data out of the drawer 5, the worker only needs to push the second plate 22 to the direction of the fixed block 12, the second plate 22 moves to drive the second rotating shaft 23, the first plate 21 and the first rotating shaft 24 to rotate, thereby the book end mechanism 25 is received at both sides of the upper end of the drawer 5, so that the staff can take out teaching data smoothly, through setting the camera 8 and inserting a chip program into the camera 8, the camera 8 is used for some working demands of the staff and identifying the positions of the infrared signal receiver 901 and the staff, and is set as the infrared signal receiver 901 as the priority, and the infrared signal transmitter 9 is arranged on one side surface of the camera 8, when the infrared signal receiver 901 on the microphone 7 can accept the signal transmitted by the infrared signal transmitter 9 in the setting range, the computer display screen 6 is kept still, when the infrared signal receiver 901 on the microphone 7 can not accept the signal transmitted by the infrared signal transmitter 9 in the setting range, so that the camera 8 searches the position of the staff and transmits the signal to the driving motor 18, therefore, the computer display screen 6 rotates, and when working, workers can see the content displayed by the computer display screen 6 wherever possible, so that the teaching of the workers is more convenient.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a wisdom classroom is with melting media teaching device, includes device cabinet body (1), its characterized in that, device cabinet body (1) inboard one side surface sliding mounting has drawer (5), drawer (5) are used for placing teaching material, drawer (5) upper end fixed mounting has scanner (11), device cabinet body (1) one side surface fixed mounting has device platform (2), device platform (2) one side surface is provided with computer display screen (6) with scanner (11) electric signal connection.
2. The fused media teaching device for the intelligent classrooms according to claim 1, wherein a book end mechanism (25) is fixedly arranged on one side surface of the inside of the device cabinet body (1), the number of the book end mechanisms (25) is two, a fixed block (12) is fixedly arranged on one side surface of the inside of the device cabinet body (1), the number of the fixed blocks (12) is two, a first rotating shaft (24) is rotatably arranged on one side surface of the fixed block (12), a first plate (21) is rotatably arranged on the first rotating shaft (24), the number of the first plate (21) is a plurality of, a second rotating shaft (23) is rotatably arranged on the first plate (21) away from the first rotating shaft (24), the number of the second rotating shaft (23) is a plurality, a second plate (22) is fixedly arranged on one side surface of the second rotating shaft (23), the second plate (22) is used for pressing pages of books,
the book end mechanism (25) comprises the fixed block (12), the first rotating shaft (24), the first plate (21), the second rotating shaft (23) and the second plate (22).
3. The intelligent classroom is with melting media teaching device of claim 1 wherein: the device cabinet body (1) internally and fixedly installed with backup pad (20), fixed mounting has driving motor (18) on backup pad (20) one side surface, driving motor (18) output rotates and is connected with No. three axis of rotation (16), rotate on No. three axis of rotation (16) and install No. one gear (17), meshing is connected with No. two gears (15) on No. one gear (17).
4. A smart classroom is with melting media teaching device as recited in claim 3, wherein: the device comprises a device platform (2), and is characterized in that a support column (14) is fixedly installed on a second gear (15), one end, far away from the second gear (15), of the support column (14) extends to the surface of one side of the device platform (2), a disc (13) is fixedly installed on the support column (14), the disc (13) is located above the device platform (2), and a computer display screen (6) is fixedly installed on the disc (13).
5. The intelligent classroom is with melting media teaching device of claim 4 wherein: the camera (8) is fixedly arranged on one side surface of the computer display screen (6), the infrared signal emitter (9) is arranged on one side surface of the camera (8), and the camera (8) is electrically connected with the driving motor (18).
6. The intelligent classroom is with melting media teaching device of claim 1 wherein: device cabinet body (1) one side surface fixed mounting has device platform (2), microphone (7) have been placed to device platform (2) one side surface, fixed mounting has infrared signal receiver (901) on the base of microphone (7).
7. The intelligent classroom is with melting media teaching device of claim 1 wherein: the device is characterized in that a device base (3) is fixedly arranged on the lower surface of the device cabinet body (1), a control host (10) is fixedly arranged on the lower surface of the interior of the device cabinet body (1), and a heat dissipation pore plate (4) is arranged on the surface of one side of the device cabinet body (1).
8. The intelligent classroom is with melting media teaching device of claim 7 wherein: the device is characterized in that a fan (19) is fixedly arranged on the lower surface of the inside of the device cabinet body (1), and the fan (19) is used for radiating heat of the control host (10).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322107826.5U CN220526457U (en) | 2023-08-07 | 2023-08-07 | Intelligent classroom is with melting media teaching device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322107826.5U CN220526457U (en) | 2023-08-07 | 2023-08-07 | Intelligent classroom is with melting media teaching device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220526457U true CN220526457U (en) | 2024-02-23 |
Family
ID=89927297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322107826.5U Active CN220526457U (en) | 2023-08-07 | 2023-08-07 | Intelligent classroom is with melting media teaching device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220526457U (en) |
-
2023
- 2023-08-07 CN CN202322107826.5U patent/CN220526457U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109686178B (en) | Multifunctional teaching writing board and teaching system | |
CN205881215U (en) | Multimedia teaching device | |
CN220526457U (en) | Intelligent classroom is with melting media teaching device | |
CN108986562A (en) | A kind of teacher's Multifunctional blackboard | |
CN1127709C (en) | Educational image display device | |
CN110164245A (en) | A kind of teaching of Chinese open air presentation device | |
CN101419378B (en) | Infrared emanation source adjustable monitoring and shooting device | |
CN201293856Y (en) | Device for monitoring and image-shooting adjustable infrared ray transmission light source | |
CN212698162U (en) | Library uses books inquiry unit | |
CN212546148U (en) | Sand painting appliance | |
EP0645665A1 (en) | Projection display | |
CN203759906U (en) | Fully-intelligent recording and broadcasting system for teaching | |
CN207718731U (en) | A kind of full-color cell board of New LED Surface Mount | |
CN111692473A (en) | Classroom interactive teaching presentation device | |
CN220933631U (en) | Remote education training device | |
CN220303327U (en) | Teaching experiment platform | |
CN205983926U (en) | Educational machine people with high appearance function of clapping | |
CN219737293U (en) | Sensitization identification probe of curve board separator | |
CN220601057U (en) | Film and television animation display device | |
CN214335973U (en) | Computer multimedia distance education training teaching device | |
CN218327351U (en) | Wisdom classroom multi-media recorded broadcast device | |
CN216010206U (en) | Motion synchronizer of multiple display devices | |
CN218208672U (en) | Notebook computer with rotatable screen | |
CN213458581U (en) | Education and teaching equipment with propaganda show structure | |
CN220694908U (en) | Product design display platform |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |