CN112908093B - Music reading board for music teaching - Google Patents
Music reading board for music teaching Download PDFInfo
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- CN112908093B CN112908093B CN202110326375.7A CN202110326375A CN112908093B CN 112908093 B CN112908093 B CN 112908093B CN 202110326375 A CN202110326375 A CN 202110326375A CN 112908093 B CN112908093 B CN 112908093B
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- 238000001228 spectrum Methods 0.000 claims description 5
- 235000013547 stew Nutrition 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 description 9
- 238000013016 damping Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008451 emotion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B15/00—Teaching music
- G09B15/02—Boards or like means for providing an indication of notes
-
- 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
- A47B19/00—Reading-desks; Lecterns; Pulpits, i.e. free-standing
- A47B19/06—Reading-desks; Lecterns; Pulpits, i.e. free-standing with adjustable top leaf
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- Engineering & Computer Science (AREA)
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- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electrophonic Musical Instruments (AREA)
- Tables And Desks Characterized By Structural Shape (AREA)
Abstract
The invention is suitable for the field of teaching aids, and provides a music score recognition board for music teaching, which comprises: a score recognition plate body; a first T-shaped fixing seat; a second T-shaped fixed seat; the angle adjusting and protecting assembly comprises a horizontal bottom plate, a rotary positioning seat and a rotary supporting pressing plate; a limiting component; the problem of present knowledge register for easy reference board this body angle unadjustable and the knowledge register for easy reference board lack the protection when idle is solved.
Description
Technical Field
The invention belongs to the field of teaching aids, and particularly relates to a music score recognition board for music teaching.
Background
Music is an art reflecting human real life emotion, and generally music scores are required to be used in music teaching, and are carriers for accurately recording music, wherein a staff is the most widely used music score. The information recorded in the music score comprises all elements except for the real-time playing of melody, rhythm, beat, expression and the like when the music score is played.
When music scores are used in the existing music teaching, a music score plate is usually required to be used, but the existing music score plate for music teaching is single in structure and only single in plate shape.
The existing music score recognition plate is single in structure, needs to be placed on a supporting frame which is independent of the existing music score recognition plate when in use, and is not adjustable in angle in the use process, and is short of protection when not in use.
Disclosure of Invention
The embodiment of the invention aims to provide a music score recognition board for music teaching, and aims to solve the problems that the angle of the existing music score recognition board body cannot be adjusted and the music score recognition board is short of protection when the music score recognition board is idle.
The embodiment of the invention is realized in such a way that the device comprises:
a score recognition plate body;
further comprising:
the first T-shaped fixed seat is rotatably arranged at one end of the score plate body;
the second T-shaped fixed seat is rotatably arranged at the other end of the music score recognizing plate body; and
the angle adjusting and protecting assembly comprises a horizontal base plate, a rotating positioning seat fixedly installed at one end of the horizontal base plate and a rotating supporting pressing plate rotatably installed on the rotating positioning seat;
the limiting assembly is arranged at the rotary connection part of the horizontal bottom plate and the rotary supporting pressing plate and is used for ensuring the stability of the rotary supporting pressing plate in a vertical state;
the first T-shaped fixing seat is slidably mounted on the horizontal bottom plate with a damper, and the second T-shaped fixing seat is slidably mounted on the rotary supporting pressing plate with a damper.
Preferably, the bottom of first T type fixing base and second T type fixing base is all embedded to have first magnetism to inhale the piece, set up in second direction spout on the horizontal base plate, the third direction spout has been seted up on the rotation support clamp plate, second direction spout and third direction spout diapire are all embedded to have the second magnetism to inhale the piece with first magnetism mutual actuation of inhaling.
Preferably, the spacing assembly includes:
the U-shaped limiting seat is fixedly arranged at the end part of the horizontal bottom plate;
the guide sliding chute is arranged on the rotary supporting pressing plate facing one side of the limiting seat;
one end of the positioning clamping piece is slidably installed in the guide sliding groove, and the other end of the positioning clamping piece is detachably slid in the U-shaped limiting seat and used for ensuring the stability of the rotating supporting pressing plate in a vertical state; and
the elastic piece is arranged between the positioning clamping piece and the side wall of the guide chute and used for providing clamping pressure for the positioning clamping piece and adjusting the position of the positioning clamping piece in an elastic mode.
Preferably, when the rotating support pressing plate rotates to a horizontal state, the gap value between the rotating support pressing plate and the horizontal bottom plate is greater than the thickness value of the spectrum identification plate body;
keep away from rotation positioning seat one side the embedded third magnetism of inhaling on the horizontal bottom plate is inhaled the piece, is inhaled the piece with the third magnetism and is relative rotate the cushion that the piece magnetism was inhaled each other to fixed mounting and third magnetism on the supporting pressure plate.
Preferably, the method further comprises the following steps:
the height adjusting assembly is arranged at the bottom of the horizontal bottom plate and used for adjusting the placing height of the music score recognizing plate body and providing a containing space for the music score recognizing plate when the music score recognizing plate is idle.
Preferably, the height adjustment assembly comprises:
the top inner diameter of the U-shaped mounting part is matched with the outer diameter of the horizontal bottom plate, and the U-shaped mounting part is used for accommodating and placing the horizontal bottom plate, the spectrum plate body and the rotary supporting pressing plate; and
and the height adjusting driving unit is arranged inside the U-shaped mounting part and is used for adjusting the placing height of the spectrum recognizing plate body.
Preferably, the method further comprises the following steps:
accomodate formula and remove the subassembly, set up in U type installed part bottom for overall device's convenient removal guarantees the stability when overall device stews simultaneously.
According to the music score recognition plate for music teaching provided by the embodiment of the invention, the rotary support pressing plate is rotatably installed on the horizontal bottom plate through the rotary positioning seat, the first T-shaped fixing seat and the second T-shaped fixing seat are respectively rotatably installed at two ends of the score recognition plate body, the first T-shaped fixing seat is slidably installed on the horizontal bottom plate with the damping, and the second T-shaped fixing seat is slidably installed on the rotary support pressing plate with the damping, so that the stability of the rotary support pressing plate in a vertical state is ensured under the action of the limiting assembly, and then the placing angle of the score recognition plate body can be conveniently adjusted by moving the positions of the first T-shaped fixing seat and the second T-shaped fixing seat, so that the teaching effect is improved according to the actual teaching requirement; meanwhile, when the limiting function of the limiting assembly is removed, namely the score reading plate body is in an idle state, the rotating supporting pressing plate rotates to the position above the horizontal bottom plate, and certain storage protection is provided for the score reading plate body; further solves the problems that the angle of the music recognition plate body can not be adjusted and the music recognition plate is lack of protection when being idle.
Drawings
Fig. 1 is a schematic overall structure diagram of a music score recognition board for music teaching according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a point a in fig. 1 according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a location B in fig. 1 according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a point C in fig. 1 according to an embodiment of the present invention.
In the drawings: 1. a score recognition plate body; 2. a first T-shaped fixing seat; 3. a second T-shaped fixed seat; 4. a horizontal floor; 5. rotating the positioning seat; 6. rotating the supporting pressing plate; 7. a first magnetic attraction member; 8. a second guide chute; 9. (ii) a 10. A second magnetic attraction piece; 11. a U-shaped limiting seat; 12. a guide chute; 13. positioning the clamping piece; 14. an elastic member; 15. a third magnetic attraction member; 16. cushion blocks; 17. a U-shaped mounting member; 18. a drive member; 19. a gear post; 20. a rack; 21. hollowing out the baffle plate; 22. a support member; 23. hollowing out the base; 24. a driving cylinder; 25. moving the roller; 26. a guide shaft; 27. the mounting member is supported.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a structure diagram of a music score recognition board for music teaching according to an embodiment of the present invention includes:
a score recognition plate body 1;
further comprising:
the first T-shaped fixed seat 2 is rotatably arranged at one end of the music recognition plate body 1;
the second T-shaped fixed seat 3 is rotatably arranged at the other end of the music recognition plate body 1; and
the angle adjusting and protecting assembly comprises a horizontal bottom plate 4, a rotating positioning seat 5 fixedly installed at one end of the horizontal bottom plate 4 and a rotating supporting pressing plate 6 rotatably installed on the rotating positioning seat 5;
the limiting assembly is arranged at the rotary connection position of the horizontal bottom plate 4 and the rotary supporting pressing plate 6 and is used for ensuring the stability of the rotary supporting pressing plate 6 in a vertical state;
the first T-shaped fixing seat 2 is slidably mounted on the horizontal bottom plate 4 with damping, and the second T-shaped fixing seat 3 is slidably mounted on the rotary supporting pressure plate 6 with damping.
In this embodiment, the music score recognizing plate body 1 may be a writing-wiping type or a magnetic-adhesion type, as long as music score formation or placement for music teaching can be achieved, and this embodiment is not specifically limited herein.
In the embodiment, during actual application, the rotary supporting pressing plate 6 is rotatably installed on the horizontal bottom plate 4 through the rotary positioning seat 5, the first T-shaped fixing seat 2 and the second T-shaped fixing seat 3 are respectively rotatably installed at two ends of the music score plate body 1, the first T-shaped fixing seat 2 is slidably installed on the horizontal bottom plate 4 with damping, and the second T-shaped fixing seat 3 is slidably installed on the rotary supporting pressing plate 6 with damping, so that the stability of the rotary supporting pressing plate 6 in a vertical state is ensured under the action of the limiting assembly, and then the placing angle of the music score plate body 1 can be conveniently adjusted by moving the positions of the first T-shaped fixing seat 2 and the second T-shaped fixing seat 3, so that the teaching effect is improved according to the actual teaching requirement; meanwhile, when the limiting function of the limiting assembly is removed, namely the music score plate body 1 is in an idle state, the rotating support pressing plate 6 rotates to the upper side of the horizontal bottom plate 4, and then certain storage protection is provided for the music score plate body 1.
As shown in fig. 1-3, in a situation of this embodiment, the first T-shaped fixing seat 2 and the second T-shaped fixing seat 3 are embedded with a first magnetic attraction element 7 at the bottom, the horizontal base plate 4 is provided with a second guiding sliding groove 8, the rotating support pressing plate 6 is provided with a third guiding sliding groove 9, and the bottom walls of the second guiding sliding groove 8 and the third guiding sliding groove 9 are embedded with a second magnetic attraction element 10 attracting the first magnetic attraction element 7.
This embodiment is when practical application, inhale through the second of mutual actuation magnetism 10 and first magnetism inhale under 7 combined action, realize recognizing the convenient adjustable of music score board body 1 angle, need not complicated operation, overall structure is simple, and the practicality is high.
As shown in fig. 4, as a preferred embodiment of the present invention, the stopper assembly includes:
the U-shaped limiting seat 11 is fixedly arranged at the end part of the horizontal bottom plate 4;
the guide sliding chute 12 is arranged on the rotary supporting pressing plate 6 facing one side of the limiting seat;
one end of the positioning clamping piece 13 is slidably mounted in the guide chute 12, and the other end of the positioning clamping piece is detachably slid in the U-shaped limiting seat 11 and used for ensuring the stability of the rotating supporting pressing plate 6 in a vertical state; and
and the elastic part 14 is arranged between the positioning clamping part 13 and the side wall of the guide chute 12 and is used for providing clamping pressing force for the positioning clamping part 13 and elastically adjusting the position movement of the positioning clamping part 13.
In particular, the elastic member 14 is a spring.
In practical application of the embodiment, when the music score recognition plate body 1 is in a use state, the positioning clamping piece 13 is clamped in the U-shaped limiting seat 11, so that the stability of the rotary supporting pressing plate 6 in a vertical state is ensured; when recognizing register for easy reference board body 1 and being in idle state, drive location joint spare 13 removes along guide chute 12, and drive location joint spare 13 keeps away from the spacing seat 11 of U type promptly to the cancellation is spacing when rotating support clamp plate 6 is in vertical state, and rotating support clamp plate 6 is in the free rotation state, and rotating support clamp plate 6 can rotate to the top of horizontal bottom plate 4, then provides certain protection of accomodating for recognizing register for easy reference board body 1.
As shown in fig. 1, in one aspect of the present embodiment, when the rotary supporting pressing plate 6 is rotated to the horizontal state, the gap value between the rotary supporting pressing plate 6 and the horizontal bottom plate 4 is greater than the thickness value of the score plate body 1;
a third magnetic suction piece 15 is embedded in the horizontal bottom plate 4 far away from one side of the rotary positioning seat 5, and a cushion block 16 magnetically attracted with the third magnetic suction piece 15 is fixedly installed on the rotary supporting pressure plate 6 opposite to the third magnetic suction piece 15.
This embodiment is when practical application, and the clearance value between rotation support clamp plate 6 and the horizontal base plate 4 is greater than the thickness value of knowing register for easy reference board body 1 and under the combined action of the cushion 16 and the second magnet 15 of mutual actuation, further guarantees the stability when rotation support clamp plate 6 is in the horizontality, better for the this body 1 of knowing register for easy reference board provides accomodates guard space.
As shown in fig. 1, in an embodiment, the music score reading board for music teaching further includes a height adjusting component disposed at the bottom of the horizontal bottom plate 4 for adjusting the placing height of the music score reading board body 1 and providing a storage space for the music score reading board when not in use.
Specifically, the height adjustment assembly comprises:
the top inner diameter of the U-shaped mounting part 17 is matched with the outer diameter of the horizontal bottom plate 4, and the U-shaped mounting part 17 is used for accommodating and placing the horizontal bottom plate 4, the music score recognition plate body 1 and the rotary supporting pressing plate 6; and
and the height adjusting driving unit is arranged inside the U-shaped mounting part 17 and is used for adjusting the placing height of the music score recognizing plate body 1.
In one aspect of this embodiment, the height adjustment drive unit includes a drive member 18 slidably mounted within the U-shaped mount 17, a gear post 19 rotatably mounted within the U-shaped mount 17, and a rack 20 intermeshed with the gear post 19. Wherein the rack 20 is fixed on the side of the driving member 18 facing the gear column 19, and the gear column 19 is driven to rotate by a motor fixed on the side wall of the U-shaped mounting member 17.
The height adjustment drive unit further includes:
the hollow baffle 21 is fixedly arranged above the inner wall of the U-shaped mounting part 17 and is used for providing a placing and supporting purpose for the horizontal bottom plate 4; and
the support piece 22 that the symmetry set up, support piece 22's one end fixed mounting is in the bottom of horizontal bottom plate 4, and other end slidable mounting is at U type installed part 17 side inner wall for improve horizontal bottom plate 4's stability in movement.
This embodiment is at the time of practical application, and motor drive gear post 19 rotates, through intermeshing's gear post 19 and rack 20, drives driving piece 18 drive horizontal bottom plate 4 vertical removal, effectively adjusts the high position of discerning register for easy reference board body 1 as required then.
As shown in fig. 1, in one embodiment, the music score recognition board for music teaching further includes a storage type moving assembly disposed at the bottom of the U-shaped mounting member 17 for facilitating movement of the whole device while ensuring stability of the whole device when the whole device is standing.
In one aspect of the present embodiment, the retractable moving assembly includes a hollow base 23 fixedly mounted at the bottom of the U-shaped mounting member 17, a driving cylinder 24, a plurality of moving rollers 25, guide shafts 26 symmetrically disposed at two sides of the driving cylinder 24, and a support mounting member 27. Wherein, fretwork base 23 bottom has been seted up and has been dodged the groove, drive actuating cylinder 24 fixed mounting at fretwork base 23 top inner wall, guiding axle 26 fixed mounting is on fretwork base 23, support installed part 27 fixed mounting drives actuating cylinder 24 flexible end, support installed part 27 slidable mounting is on guiding axle 26, removal gyro wheel 25 evenly lays in support installed part 27 bottom, when driving actuating cylinder 24 and being in the shortest stroke position, the minimums that remove gyro wheel 25 is higher than fretwork base 23.
In practical application, the driving cylinder is arranged, when the integral device is in a standing working state, the driving cylinder is in the shortest stroke position, and the hollow base is used as a support of the integral device; when the integrated device needs to be moved, the driving air cylinder drives the moving roller to touch the ground through the supporting and positioning plate, so that the integrated device is convenient to move, and meanwhile, the placing stability of the integrated device is guaranteed when the integrated device is in a standing working state.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. A music recognition board for music teaching, the music recognition board comprising:
a score recognition plate body;
it is characterized by also comprising:
the first T-shaped fixed seat is rotatably arranged at one end of the score plate body;
the second T-shaped fixed seat is rotatably arranged at the other end of the score plate body; and
the angle adjusting and protecting assembly comprises a horizontal base plate, a rotating positioning seat fixedly installed at one end of the horizontal base plate and a rotating supporting pressing plate rotatably installed on the rotating positioning seat;
the limiting assembly is arranged at the rotary connection position of the horizontal bottom plate and the rotary supporting pressing plate and is used for ensuring the stability of the rotary supporting pressing plate in a vertical state;
the first T-shaped fixing seat is slidably mounted on the horizontal bottom plate with a damper, and the second T-shaped fixing seat is slidably mounted on the rotary supporting pressing plate with a damper;
the spacing subassembly includes:
the U-shaped limiting seat is fixedly arranged at the end part of the horizontal bottom plate;
the guide sliding chute is arranged on the rotary supporting pressing plate facing one side of the limiting seat;
one end of the positioning clamping piece is slidably installed in the guide sliding groove, and the other end of the positioning clamping piece is detachably slid in the U-shaped limiting seat and used for ensuring the stability of the rotating supporting pressing plate in a vertical state; and
the elastic piece is arranged between the positioning clamping piece and the side wall of the guide chute and is used for providing clamping and pressing force for the positioning clamping piece and elastically adjusting the position movement of the positioning clamping piece;
when the rotating supporting pressing plate rotates to a horizontal state, the gap value between the rotating supporting pressing plate and the horizontal bottom plate is larger than the thickness value of the spectrum recognition plate body;
a third magnetic attraction piece is embedded in the horizontal bottom plate at one side far away from the rotary positioning seat, and a cushion block which is magnetically attracted with the third magnetic attraction piece is fixedly arranged on the rotary supporting pressure plate opposite to the third magnetic attraction piece;
further comprising:
the height adjusting assembly is arranged at the bottom of the horizontal bottom plate and is used for adjusting the placing height of the music score recognizing plate body and providing a containing space for the music score recognizing plate when the music score recognizing plate is not in use;
the height adjustment assembly includes:
the top inner diameter of the U-shaped mounting part is matched with the outer diameter of the horizontal bottom plate, and the U-shaped mounting part is used for accommodating and placing the horizontal bottom plate, the spectrum plate body and the rotary supporting pressing plate; and
the height adjusting driving unit is arranged in the U-shaped mounting piece and is used for adjusting the placing height of the music recognition plate body;
the height adjusting driving unit comprises a driving piece which is slidably arranged in the U-shaped mounting piece, a gear column which is rotatably arranged in the U-shaped mounting piece and a rack which is meshed with the gear column, wherein the rack is fixed on the side surface of the driving piece facing the gear column, and the gear column is driven to rotate by a motor which is fixed on the side wall of the U-shaped mounting piece;
the height adjustment drive unit further includes:
the hollow baffle is fixedly arranged above the inner wall of the U-shaped mounting part and is used for providing a placing and supporting purpose for the horizontal bottom plate; and
the support piece that the symmetry set up, support piece's one end fixed mounting is in the horizontal bottom plate bottom, and other end slidable mounting is at U type installed part side inner wall for improve horizontal bottom plate's mobility stability.
2. The music recognition board for music teaching of claim 1, wherein the first T-shaped fixing base and the second T-shaped fixing base are embedded with a first magnetic attraction piece at the bottom, the horizontal bottom board is provided with a second guiding chute, the rotating support pressing board is provided with a third guiding chute, and the second guiding chute and the third guiding chute are embedded with a second magnetic attraction piece attracting the first magnetic attraction piece at the bottom wall.
3. The music recognition tablet for music teaching according to claim 1, further comprising:
accomodate formula and remove the subassembly, set up in U type installed part bottom for overall device's convenient removal guarantees the stability when overall device stews simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110326375.7A CN112908093B (en) | 2021-03-26 | 2021-03-26 | Music reading board for music teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110326375.7A CN112908093B (en) | 2021-03-26 | 2021-03-26 | Music reading board for music teaching |
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| Publication Number | Publication Date |
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| CN112908093A CN112908093A (en) | 2021-06-04 |
| CN112908093B true CN112908093B (en) | 2022-10-25 |
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| CN202110326375.7A Active CN112908093B (en) | 2021-03-26 | 2021-03-26 | Music reading board for music teaching |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105667120B (en) * | 2016-03-26 | 2017-05-31 | 薛之渊 | A kind of multifunctional folder |
| CN108422771A (en) * | 2018-04-13 | 2018-08-21 | 六安中达信息科技有限公司 | A kind of adjustable board for teaching mathematics |
| CN109138391A (en) * | 2018-09-17 | 2019-01-04 | 郑州靓岛建筑设计有限公司 | A kind of movable type lifting platform for construction |
| CN209657552U (en) * | 2019-02-19 | 2019-11-19 | 王光锋 | A kind of music-book reading board for music teaching |
| CN211294413U (en) * | 2019-12-04 | 2020-08-18 | 浙江工业大学之江学院 | Basic electronic component teaching device |
| CN211181132U (en) * | 2020-02-04 | 2020-08-04 | 山东水利职业学院 | Reading device of english teaching usefulness |
| CN211375937U (en) * | 2020-03-05 | 2020-08-28 | 湖南有色金属职业技术学院 | English grammar classification teaching panel |
| CN111343318A (en) * | 2020-03-18 | 2020-06-26 | 董莉 | Cell phone stand is used in life at home |
| CN111640385B (en) * | 2020-04-21 | 2021-11-26 | 黄河水利职业技术学院 | Colleges and universities think political affairs class practice teaching achievement show platform |
| CN111933054A (en) * | 2020-07-10 | 2020-11-13 | 厦门城市职业学院（厦门市广播电视大学） | Scientific research project management progress tracking display board |
| CN112289128B (en) * | 2020-11-11 | 2022-12-23 | 芜湖汉腾教育科技有限公司 | Music score recognition board for piano teaching |
| CN112353179A (en) * | 2020-12-10 | 2021-02-12 | 柳德清 | Display device for communication equipment sale |
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Effective date of registration: 20221209 Address after: Room 4-118, Building 4, Science Park, Jiangsu Normal University, No. 57, Heping Road, Yunlong District, Xuzhou City, Jiangsu Province, 221000 Patentee after: Xuzhou Xinghua Culture and Art Communication Co.,Ltd. Address before: 221000 Haihe Road, Tongshan New District, Xuzhou City, Jiangsu Province Patentee before: Xuzhou Normal University |