CN113470449A - Staff learning device - Google Patents
Staff learning device Download PDFInfo
- Publication number
- CN113470449A CN113470449A CN202110808157.7A CN202110808157A CN113470449A CN 113470449 A CN113470449 A CN 113470449A CN 202110808157 A CN202110808157 A CN 202110808157A CN 113470449 A CN113470449 A CN 113470449A
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- fixedly connected
- gear
- staff
- learning device
- turbine
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- 230000005540 biological transmission Effects 0.000 claims abstract description 43
- 238000005192 partition Methods 0.000 claims abstract description 9
- 238000013016 damping Methods 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Images
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
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/02—Tables or desks for office equipment, e.g. typewriters, keyboards with vertical adjustable parts
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/04—Tables or desks for office equipment, e.g. typewriters, keyboards characterised by means for holding or fastening typewriters or computer equipment
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/02—Devices for holding or supporting maps, drawings, or the like, including means for preventing rolling-up
-
- 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
- G09B15/00—Teaching music
- G09B15/02—Boards or like means for providing an indication of notes
- G09B15/026—Non-electrically operated
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention provides a staff learning device, which belongs to the technical field of staff learning and comprises an operation box body and a fan-shaped learning plate, wherein a partition plate is fixedly connected to the inner wall of the operation box body, the partition plate divides the interior of the operation box body into two cavities from left to right, the left side and the right side of the inner wall of one cavity are fixedly connected with a first transmission rod through bearings, the outer surface of the first transmission rod is fixedly connected with a first gear, one side of the first gear is fixedly connected with a first turbine, the outer surface of the first turbine is in transmission connection with a worm, and one side of the outer surface of the worm, which is far away from the first turbine, is in transmission connection with a second turbine. Through chain drive between second gear and the third gear, the meshing transmission between fourth gear and the arc rack, micro motor can drive the second transfer line and rotate to make fan-shaped study board can adjust and write the angle, the teacher of being convenient for writes the teaching, improves the teaching efficiency.
Description
Technical Field
The invention belongs to the technical field of staff learning, and particularly relates to a staff learning device.
Background
Music is an artistic form and cultural activity that is preserved and streamed in a memorial manner. As a notation commonly used in the world, the staff can record the melody, the beat, the rhythm, the strength, the speed, the term symbol and the like of music. In a music class, teachers and students often need to write and display on the staff, and particularly for students in music profession, the process of learning and creating music works is not separated from the use of the staff.
However, the conventional staff learning device has a simple structural design, and is mostly a fixed staff learning board, even a simple blackboard in which a teacher needs to draw five lines by himself/herself, and such staff learning board can be used for teaching demonstration in which the teacher can only write notes singly, cannot adjust the writing angle and viewing angle of the learning board, cannot adjust the height of the learning board, and cannot be removed quickly after writing. The teaching aid is not convenient for writing and displaying in teacher teaching, is not beneficial to students in multi-azimuth classroom space to watch learning, influences teaching efficiency, and is relatively limited in use.
Disclosure of Invention
The object of the present invention is to provide: the utility model provides a staff learning device, aims at solving among the prior art and can not carry out multi-functional teaching demonstration, can not adjust the angle of writing and watching of study board to and can not adjust the problem of study board's height.
In order to achieve the purpose, the invention provides the following technical scheme: a staff learning device comprises an operation box body and a fan-shaped learning board, wherein a partition board is fixedly connected to the inner wall of the operation box body, the inside of the operation box body is divided into two cavities from left to right by the partition board, a first transmission rod is fixedly connected to the left side and the right side of one of the inner walls of the cavities through bearings, a first gear is fixedly connected to the outer surface of the first transmission rod, a first turbine is fixedly connected to one side of the first gear, a worm is connected to the outer surface of the first turbine in a transmission manner, a second turbine is connected to the outer surface of the worm, which is far away from the first turbine, a rack is connected to the outer surface of the first gear in a transmission manner, a sliding rail is fixedly connected to the back of the rack, a support plate is fixedly connected to the top end of the sliding rail, a damping rotating bearing is fixedly connected to the upper surface of the support plate, and a support frame is fixedly connected to the top end of the damping rotating bearing, the upper surface of support frame has the second transfer line through pedestal swing joint, another the inner wall sliding connection of cavity has first drawer, the back fixed mounting of fan-shaped study board has the LED display screen, the front fixedly connected with of fan-shaped study board writes the plate body.
Furthermore, the bottom of the operation box body is fixedly connected with a storage box body, and a second drawer is arranged inside the storage box body.
Furthermore, the bottom of the storage box body is fixedly connected with a self-locking universal wheel.
Furthermore, the inner bottom wall of the operation box body is fixedly provided with a servo motor, the output end of the servo motor is fixedly provided with a gearbox, and the output end of the gearbox is fixedly connected with a second turbine.
Furthermore, the front face of the inner wall of the operation box body is fixedly connected with a slide way, and the inner wall of the slide way is connected with a slide rail in a sliding manner.
Furthermore, the left side and the right side of the upper surface of the supporting plate are both provided with sliding grooves, and the inner bottom wall of each sliding groove is provided with a limiting hole.
Furthermore, the equal fixedly connected with limiting plate of the left and right sides face of support frame, the inside of limiting plate is provided with the spacing post of spring, the spacing post of spring is located the inside in spacing hole.
Furthermore, a second gear is fixedly connected to the middle of the outer surface of the second transmission rod, a third gear is connected to the outer surface of the second gear through a chain in a transmission manner, and a micro motor is arranged on one side surface of the third gear.
Further, the equal fixedly connected with fourth gear in both ends of second transfer line, the equal swing joint in the left and right sides of support frame inner wall has fan-shaped study board, the equal fixedly connected with arc rack in the left and right sides of fan-shaped study board cambered surface, arc rack and fourth gear mesh mutually.
Furthermore, the front surface of the writing board body is fixedly connected with an iron metal layer, and the front surface of the iron metal layer is fixedly connected with a staff writing layer.
Compared with the prior art, the invention has the beneficial effects that:
1. this staff learning device, can drive the second turbine after the kinetic energy variable speed of servo motor output through the gearbox and rotate, through the meshing transmission between second turbine and the worm, meshing transmission between worm and the first turbine, and meshing transmission between first gear and the rack, thereby can drive the slide rail and slide inside the slide, carry out the regulation of height to the backup pad, in order to realize the regulation to fan-shaped study board height, both increased the study application range of the device, the teacher's of also being convenient for writing of teaching, the horizontal angle that can rotate fan-shaped study board through damping swivel bearing, can slide inside the spout through the spacing post of spring, it is spacing to rotate fan-shaped study board, thereby can realize the regulation to fan-shaped study board viewing angle, further increase the study application range of the device.
2. This staff learning device, through the chain drive between second gear and the third gear, meshing transmission between fourth gear and the arc rack, micro motor can drive the second transfer line and rotate, thereby make fan-shaped study board can adjust and write the angle, the teacher of being convenient for writes the teaching, dynamic video learning that can carry out the staff through the LED display screen, can adsorb the note mark of taking the magnetic path on writing the plate body through the iron metal level, write the layer through the staff and can write the note, thereby can realize the multi-functional staff teaching of the device, increase its learning efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a rear view of the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 3 according to the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 3 at C according to the present invention;
FIG. 6 is a front view partially in section of the present invention;
FIG. 7 is a schematic left side view partially in section of the present invention;
fig. 8 is an enlarged view of the structure of fig. 7 at D according to the present invention.
In the figure: 1. operating the box body; 2. a sector learning board; 3. a partition plate; 4. a cavity; 5. a first drive lever; 6. a first gear; 7. a first turbine; 8. a worm; 9. a second turbine 10, a rack; 11. a slide rail; 12. a support plate; 13. a damped slew bearing; 14. a support frame; 15. a second transmission rod; 16. a first drawer; 17. an LED display screen; 18. a writing board body; 19. a storage box body; 20. a second drawer; 21. a self-locking universal wheel; 22. a servo motor; 23. a gearbox; 24. a slideway; 25. a chute; 26. a limiting hole; 27. a limiting plate; 28. a spring limiting post; 29. a second gear; 30. a third gear; 31. a micro motor; 32. a fourth gear; 33. an arc-shaped rack; 34. a ferrous metal layer; 35. and a staff writing layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-8, the present invention provides the following technical solutions: a staff learning device comprises an operation box body 1 and a fan-shaped learning plate 2, wherein a partition plate 3 is fixedly connected to the inner wall of the operation box body 1, the partition plate divides the interior of the operation box body 1 into two cavities 4 from left to right, a first transmission rod 5 is fixedly connected to the left side and the right side of the inner wall of one cavity 4 through a bearing, a first gear 6 is fixedly connected to the outer surface of the first transmission rod 5, a first turbine 7 is fixedly connected to one side of the first gear 6, a worm 8 is connected to the outer surface of the first turbine 7 in a transmission manner, a second turbine 9 is connected to the outer surface of the worm 8 far away from the first turbine 7 in a transmission manner, a rack 10 is connected to the outer surface of the first gear 6 in a transmission manner, a slide rail 11 is fixedly connected to the back surface of the rack 10, a support plate 12 is fixedly connected to the top end of the slide rail 11, a damping rotating bearing 13 is fixedly connected to the upper surface of the support plate 12, and a support frame 14 is fixedly connected to the top end of the damping rotating bearing 13, the upper surface of the supporting frame 14 is movably connected with a second transmission rod 15 through a shaft bracket, the inner wall of the other cavity 4 is slidably connected with a first drawer 16, the back of the fan-shaped learning board 2 is fixedly provided with an LED display screen 17, and the front of the fan-shaped learning board 2 is fixedly connected with a writing board body 18.
In the embodiment of the invention, the device can be flexibly moved to the learning position through the self-locking universal wheel 21, the kinetic energy output by the servo motor 22 can be changed in speed through the gearbox 23 according to the use requirement of a teacher, the second turbine 9 is driven to rotate, the sliding rail 11 can be driven to slide in the slideway 24 through the meshing transmission between the second turbine 9 and the worm 8, the meshing transmission between the worm 8 and the first turbine 7 and the meshing transmission between the first gear 6 and the rack 10, the height of the support plate 12 is adjusted, the fan-shaped learning plate 2 is adjusted to a proper position, the second gear 29 and the third gear 30 are driven to slide, the fourth gear 32 and the arc-shaped rack 33 are driven to rotate by the micro motor 31, and the fan-shaped learning plate 2 is adjusted to a proper position convenient for writing or watching, write layer 35 through the staff and can write, can be on writing plate body 18 through iron metal layer 34 the note mark of adsorption band magnetic path, write layer 35 through the staff and can write the note, when needing to adjust viewing angle, pull out spacing post 28 of spring from spacing hole 26, make the spacing post of spring can be at the inside slip of spout 25, thereby through damping swivel bearing 13, both can adjust the viewing angle of fan-shaped study board 2, also can adjust LED display screen 17 to openly, the dynamic video study of staff can be carried out through LED display screen 17, first drawer 16, learning tools can be deposited to second drawer 20.
Specifically, the bottom of the operation box 1 is fixedly connected with a storage box 19, and a second drawer 20 is arranged inside the storage box 19.
In this embodiment: can store learning tools.
Specifically, the bottom of the storage box 19 is fixedly connected with a self-locking universal wheel 21.
In this embodiment: the device can be flexibly moved.
Specifically, a servo motor 22 is fixedly installed on the inner bottom wall of the operation box body 1, a gearbox 23 is fixedly installed at the output end of the servo motor 22, and the output end of the gearbox 23 is fixedly connected with the second turbine 9.
In this embodiment: the gearbox 23 changes the speed of the kinetic energy output by the servo motor 22, and can drive the second turbine 9 to rotate.
Specifically, the front surface of the inner wall of the operation box body 1 is fixedly connected with a slide rail 24, and the inner wall of the slide rail 24 is connected with a slide rail 11 in a sliding manner.
In this embodiment: the slide rail 11 can slide inside the slide channel 24 to stabilize the adjustment of the height of the slide rail 11.
Specifically, the left side and the right side of the upper surface of the support plate 12 are both provided with sliding grooves 25, and the inner bottom wall of the sliding grooves 25 is provided with limiting holes 26.
In this embodiment: the fan-shaped learning board 2 can be restricted in the horizontal rotation position.
Specifically, the left side surface and the right side surface of the support frame 14 are both fixedly connected with a limiting plate 27, a spring limiting column 28 is arranged inside the limiting plate 27, and the spring limiting column 28 is located inside the limiting hole 26.
In this embodiment: the spring limiting column 28 can be clamped and moved out of the limiting hole 26, so that the rotation of the fan-shaped learning board 2 is controlled, wherein the spring exerts a downward pulling force on the spring limiting column 28, and the spring limiting column 28 is always located in the limiting hole 26 under the pulling without external force.
Specifically, a second gear 29 is fixedly connected to the middle of the outer surface of the second transmission rod 15, a third gear 30 is connected to the outer surface of the second gear 29 through chain transmission, and a micro motor 31 is arranged on one side surface of the third gear 30.
In this embodiment: the micro motor 31 can drive the second transmission rod 15 to rotate through the chain transmission between the second gear 29 and the third gear 30.
Specifically, the both ends of second transfer line 15 all fixedly connected with fourth gear 32, the equal swing joint of the left and right sides of support frame 14 inner wall has fan-shaped study board 2, the equal fixedly connected with arc rack 33 of the left and right sides of fan-shaped study board 2 cambered surface, arc rack 33 meshes with fourth gear 32 mutually.
In this embodiment: the sector learning board 2 can be adjusted in position and angle in the supporting frame 14 through the meshing transmission between the fourth gear 32 and the arc-shaped rack 33.
Specifically, a ferrous metal layer 34 is fixedly connected to the front surface of the writing board body 18, and a staff writing layer 35 is fixedly connected to the front surface of the ferrous metal layer 34.
In this embodiment: note marks with magnetic blocks can be adsorbed on the writing board body 18 through the ferrous metal layer 34, and notes can be written on the staff writing layer 35.
The electrical components presented in the document are connected with an external master controller and 220V mains, and the master controller can be a conventional known device for controlling a computer and the like.
The working principle and the using process of the invention are as follows: when the main body is used, the device can be flexibly moved to a learning position through the self-locking universal wheel 21, the kinetic energy output by the servo motor 22 can be changed in speed through the gearbox 23 to drive the second turbine 9 to rotate according to the use requirement of a teacher, the sliding rail 11 can be driven to slide in the slideway 24 through the meshing transmission between the second turbine 9 and the worm 8, the meshing transmission between the worm 8 and the first turbine 7 and the meshing transmission between the first gear 6 and the rack 10 to adjust the height of the support plate 12, so that the fan-shaped learning plate 2 is adjusted to a proper height position, the chain transmission between the second gear 29 and the third gear 30 and the meshing transmission between the fourth gear 32 and the arc-shaped rack 33 are adopted, the micro motor 31 can drive the second transmission rod 15 to rotate, so that the fan-shaped learning plate 2 is adjusted to a proper writing position, write layer 35 through the staff and can write, can adsorb the note mark on writing the plate body 18 through iron metal layer 34, can write the note on layer 35 is write to the staff, when needing to adjust viewing angle, pull out spacing post 28 of spring from spacing hole 26, make the spacing post of spring can be at the inside slip of spout 25, thereby through damping swivel bearing 13, both can adjust the viewing angle of fan-shaped study board 2, also can adjust LED display screen 17 to openly, the dynamic video study of staff can be carried out through LED display screen 17, study tools can be deposited to first drawer 16 and second drawer 20.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a staff learning device, includes operation box (1) and fan-shaped learning board (2), its characterized in that: the inner wall of the operation box body (1) is fixedly connected with a partition plate (3), the inside of the operation box body (1) is divided into two cavities (4) from left to right by the partition plate, the left side and the right side of the inner wall of one of the cavities (4) are fixedly connected with a first transmission rod (5) through bearings, the outer surface of the first transmission rod (5) is fixedly connected with a first gear (6), one side of the first gear (6) is fixedly connected with a first turbine (7), the outer surface of the first turbine (7) is in transmission connection with a worm (8), one side of the outer surface of the worm (8), which is far away from the first turbine (7), is in transmission connection with a second turbine (9), the outer surface of the first gear (6) is in transmission connection with a rack (10), the back of the rack (10) is fixedly connected with a slide rail (11), and the top end of the slide rail (11) is fixedly connected with a support plate (12), the last fixed surface of backup pad (12) is connected with damping swivel bearing (13), the top fixedly connected with support frame (14) of damping swivel bearing (13), the upper surface of support frame (14) has second transfer line (15), another through pedestal swing joint the inner wall sliding connection of cavity (4) has first drawer (16), the back fixed mounting of fan-shaped study board (2) has LED display screen (17), the positive fixedly connected with of fan-shaped study board (2) writes plate body (18).
2. The staff learning device of claim 1, wherein: the bottom of the operation box body (1) is fixedly connected with a storage box body (19), and a second drawer (20) is arranged inside the storage box body (19).
3. The staff learning device of claim 2, wherein: the bottom of the storage box body (19) is fixedly connected with a self-locking universal wheel (21).
4. The staff learning device of claim 1, wherein: interior diapire fixed mounting of operation box (1) has servo motor (22), the output fixed mounting of servo motor (22) has gearbox (23), the output fixedly connected with second turbine (9) of gearbox (23).
5. The staff learning device of claim 1, wherein: the front face of the inner wall of the operation box body (1) is fixedly connected with a slide way (24), and the inner wall of the slide way (24) is connected with a slide rail (11) in a sliding manner.
6. The staff learning device of claim 1, wherein: the left side and the right side of the upper surface of the supporting plate (12) are both provided with sliding grooves (25), and the inner bottom wall of each sliding groove (25) is provided with a limiting hole (26).
7. The staff learning device of claim 1, wherein: the equal fixedly connected with limiting plate (27) of the left and right sides face of support frame (14), the inside of limiting plate (27) is provided with spacing post of spring (28), spacing post of spring (28) are located the inside in spacing hole (26).
8. The staff learning device of claim 1, wherein: the middle of the outer surface of the second transmission rod (15) is fixedly connected with a second gear (29), the outer surface of the second gear (29) is connected with a third gear (30) through chain transmission, and a micro motor (31) is arranged on one side surface of the third gear (30).
9. The staff learning device of claim 1, wherein: the equal fixedly connected with fourth gear (32) in both ends of second transfer line (15), the equal swing joint in the left and right sides of support frame (14) inner wall has fan-shaped study board (2), the equal fixedly connected with arc rack (33) in the left and right sides of fan-shaped study board (2) cambered surface, arc rack (33) and fourth gear (32) mesh mutually.
10. The staff learning device of claim 1, wherein: the front surface of the writing board body (18) is fixedly connected with an iron metal layer (34), and the front surface of the iron metal layer (34) is fixedly connected with a staff writing layer (35).
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CN202110808157.7A CN113470449A (en) | 2021-07-16 | 2021-07-16 | Staff learning device |
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CN202110808157.7A CN113470449A (en) | 2021-07-16 | 2021-07-16 | Staff learning device |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000172160A (en) * | 1998-12-09 | 2000-06-23 | Yasuki Sonobe | Learning device |
CN204087528U (en) * | 2014-10-13 | 2015-01-07 | 绥化学院 | A kind of English teaching electrodynamic type computer-projector instrument bracing or strutting arrangement |
CN110925552A (en) * | 2019-12-31 | 2020-03-27 | 安徽文香信息技术有限公司 | A installation alignment jig for electronic blackboard |
CN210223136U (en) * | 2019-06-28 | 2020-03-31 | 齐齐哈尔大学 | Music score reading board for teaching |
CN211044585U (en) * | 2019-11-16 | 2020-07-17 | 孙美卫 | Teaching display device for software engineering |
CN111798720A (en) * | 2020-06-05 | 2020-10-20 | 袁婷 | Device that teaching was convenient to use is used to chinese |
CN212084438U (en) * | 2020-06-29 | 2020-12-04 | 华东交通大学 | Music score reading board for music teaching |
CN213361721U (en) * | 2020-09-24 | 2021-06-04 | 吴静 | Chinese language and literature multimedia teaching equipment |
-
2021
- 2021-07-16 CN CN202110808157.7A patent/CN113470449A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000172160A (en) * | 1998-12-09 | 2000-06-23 | Yasuki Sonobe | Learning device |
CN204087528U (en) * | 2014-10-13 | 2015-01-07 | 绥化学院 | A kind of English teaching electrodynamic type computer-projector instrument bracing or strutting arrangement |
CN210223136U (en) * | 2019-06-28 | 2020-03-31 | 齐齐哈尔大学 | Music score reading board for teaching |
CN211044585U (en) * | 2019-11-16 | 2020-07-17 | 孙美卫 | Teaching display device for software engineering |
CN110925552A (en) * | 2019-12-31 | 2020-03-27 | 安徽文香信息技术有限公司 | A installation alignment jig for electronic blackboard |
CN111798720A (en) * | 2020-06-05 | 2020-10-20 | 袁婷 | Device that teaching was convenient to use is used to chinese |
CN212084438U (en) * | 2020-06-29 | 2020-12-04 | 华东交通大学 | Music score reading board for music teaching |
CN213361721U (en) * | 2020-09-24 | 2021-06-04 | 吴静 | Chinese language and literature multimedia teaching equipment |
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