CN109448674A - A kind of ancient Chinese chime with 12 bells performance system - Google Patents
A kind of ancient Chinese chime with 12 bells performance system Download PDFInfo
- Publication number
- CN109448674A CN109448674A CN201811515963.XA CN201811515963A CN109448674A CN 109448674 A CN109448674 A CN 109448674A CN 201811515963 A CN201811515963 A CN 201811515963A CN 109448674 A CN109448674 A CN 109448674A
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- bells
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- ancient chinese
- chinese chime
- electromagnet
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
- G10D13/00—Percussion musical instruments; Details or accessories therefor
- G10D13/01—General design of percussion musical instruments
- G10D13/08—Multi-toned musical instruments with sonorous bars, blocks, forks, gongs, plates, rods or teeth
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10F—AUTOMATIC MUSICAL INSTRUMENTS
- G10F1/00—Automatic musical instruments
- G10F1/08—Percussion musical instruments
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
The invention discloses a kind of ancient Chinese chime with 12 bells performance systems, including playing mechanism and control mechanism, mechanism is played by support base, first support bar, first sliding groove, first ancient Chinese chime with 12 bells, first electric telescopic rod, first slide, second support bar, second sliding slot, second electric telescopic rod, second slide, second ancient Chinese chime with 12 bells, tap strut, first electromagnet, second electromagnet, reset spring, buffering sliding-casing, tap bar, fixed supported slab, rattle balls and damping spring composition, then signal is exported, and it is convenient for carrying out an ancient Chinese chime with 12 bells for different location the percussion of different dynamics by being provided with striking mechanism, make the performance more continuity of an ancient Chinese chime with 12 bells, it is more intelligent, keep the performance of music score more laborsaving, make one the performance that an ancient Chinese chime with 12 bells can be all listened in different occasions, size of current is changed by current regulator to adjust percussion strength, play it more It is played close to true man, improves the authenticity that an automation ancient Chinese chime with 12 bells are played.
Description
Technical field:
The invention belongs to ancient Chinese chime with 12 bells performing technique field, in particular to a kind of ancient Chinese chime with 12 bells performance system.
Background technique:
An ancient Chinese chime with 12 bells are the important percussion instruments of ancient Chinese, and an ancient Chinese chime with 12 bells are regularly suspended on yoke by several clocks of different sizes
One group or several groups is weaved into, the pitch that each clock taps is different, needs to pass through volume in some Code in Hazardous Special Locations in existing science and technology
Clock plays happy area, and an existing ancient Chinese chime with 12 bells are manually to beat mostly, and some professional musicians is needed to drill during manually beaing
It plays, often play player can not for a long time because tapping substantial amounts, and tap dynamics in playing procedure and be not easy accurately
It controls, automation performance can not be carried out by percussion sequence of the performance system to performance, an ancient Chinese chime with 12 bells for different location can not be carried out
The percussion of different dynamics can not make the performance of music score more laborsaving, can not make one the performance that an ancient Chinese chime with 12 bells can be all listened in different occasions,
It cannot achieve automation and play an ancient Chinese chime with 12 bells.
Summary of the invention:
The object of the invention is that providing a kind of ancient Chinese chime with 12 bells performance system to solve the above-mentioned problems, solve an existing ancient Chinese chime with 12 bells
There are the shortcomings that.
To solve the above-mentioned problems, the present invention provides a kind of technical solutions:
A kind of ancient Chinese chime with 12 bells performance system, including mechanism and control mechanism are played, the performance mechanism is by support base, the first support
Bar, first sliding groove, first ancient Chinese chime with 12 bells, the first electric telescopic rod, first slide, second support bar, second sliding slot, the second electric expansion
Bar, second slide, second ancient Chinese chime with 12 bells, tap strut, the first electromagnet, the second electromagnet, reset spring, buffering sliding-casing, tap bar,
Fixed supported slab, rattle balls and damping spring composition, symmetrical both ends are welded with first support bar at the top of the support base, and two
First sliding groove is fixedly connected between the top of a first support bar, the both ends inside the first sliding groove are fixedly connected with
There is the first electric telescopic rod, there are two first slide, two described first electronic are stretched for the internal slide connection of the first sliding groove
The output end of contracting bar is fixedly connected with two first slides respectively, and the bottom of the first sliding groove is connected with several by rope
First ancient Chinese chime with 12 bells.
Preferably, the both ends at the top of the first sliding groove are symmetrically fixedly connected with second support bar, two described second
Second sliding slot is fixedly connected between the top of support rod, it is electronic that the both ends inside the second sliding slot are fixedly connected to second
Telescopic rod, there are two second slide, the outputs of two second electric telescopic rods for the internal slide connection of the second sliding slot
End is fixedly connected with two second slides respectively, and the bottom of the second sliding slot is connected with several second ancient Chinese chime with 12 bells by rope,
The side of the second slide and the side of first slide are fixedly connected to two fixed supported slabs, turn between two fixed supported slabs
Dynamic to be connected with percussion strut, the percussion strut is fixedly connected with the first electromagnet close to one end of fixed supported slab, and described second
On slide and first slide and it is located at the side of fixed supported slab and is fixedly connected to the second electromagnet, on the percussion strut and position
Be fixedly connected with reset spring in the side of the first electromagnet, the other end of the reset spring be fixedly connected on second slide and
In first slide, the percussion strut is fixedly connected with buffering sliding-casing far from one end of fixed supported slab, the buffering sliding-casing it is interior
Portion slidably connects percussion bar, and described one end for tapping bar is fixedly connected with postive stop baffle, the outside for tapping bar and is located at
Buffer spring is cased between postive stop baffle and buffering sliding-casing, the percussion bar is fixedly connected with percussion far from one end of postive stop baffle
Ball, it is described tap bar outside and damping spring is cased between rattle balls and buffering sliding-casing.
Preferably, the control mechanism by console, keyboard, computer, control cabinet, USB interface, circuit board, reservoir,
Processor, master controller, current regulator, signal receiving unit and signal output unit composition, the top peace of the console
Equipped with computer, the top of the console and be located at computer lower section be equipped with keyboard, the first sliding groove close to console one
End is fixedly connected with control cabinet, circuit board is fixedly connected with inside the control cabinet, the side of the circuit board is fixedly connected with
Reservoir, the circuit board side and is located at below reservoir and is fixedly connected with signal output unit, the circuit board side and
Signal receiving unit is fixedly connected with below signal output unit, the side of the circuit board is successively fixed from top to bottom
It is connected with processor, master controller and current regulator.
Preferably, magnetic pole is opposite when being powered when second electromagnet is powered with the first electromagnet.
Preferably, second electromagnet is located at immediately below the first electromagnet.
Preferably, first electric telescopic rod and the second electric telescopic rod are electrically connected with master controller.
Preferably, the keyboard and computer are electrically connected, the computer and signal receiving unit are electrically connected, the letter
Number receiving unit and signal output unit are electrically connected, and the signal output unit and reservoir are electrically connected, the reservoir
It is electrically connected with processor, the processor and master controller are electrically connected, and the master controller electrically connects with current regulator
It connects, first electromagnet and the second electromagnet are electrically connected with current regulator.
Preferably, the side of the control cabinet is inlaid with USB interface, the USB interface and reservoir are electrically connected.
Beneficial effects of the present invention: the configuration of the present invention is simple is flexible, can be struck to performance by being provided with control system
It hits sequence and carries out preprogramming design, then export signal, and be convenient for by being provided with striking mechanism to different location
An ancient Chinese chime with 12 bells carry out the percussion of different dynamics, make the performance more continuity of an ancient Chinese chime with 12 bells, more intelligent, save the performance of music score more
Power makes one the performance that an ancient Chinese chime with 12 bells can be all listened in different occasions, changes size of current by current regulator to adjust percussion dynamics
Size makes its performance be more nearly true man's performance, improves the authenticity that an automation ancient Chinese chime with 12 bells are played.
Detailed description of the invention:
Detailed description will be given by the following detailed implementation and drawings by the present invention for ease of explanation,.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is percussion rod structure schematic diagram of the invention；
Fig. 3 is the schematic diagram of internal structure of control cabinet of the invention；
Fig. 4 is control module figure of the invention.
In figure: 1- plays mechanism, 2- control mechanism, 3- buffer spring, 4- console, 5- keyboard, 6- computer, 7- control
Case, 8-USB interface, 9- circuit board, 10- reservoir, 11- processor, 12- master controller, 13- postive stop baffle, the adjustment of 14- electric current
Device, 15- signal receiving unit, 16- signal output unit, 17- support base, 18- first support bar, 19- first sliding groove, 20-
First ancient Chinese chime with 12 bells, the first electric telescopic rod of 21-, 22- first slide, 23- second support bar, 24- second sliding slot, 25- second are electronic
Telescopic rod, 26- second slide, second ancient Chinese chime with 12 bells of 27-, 28- percussion strut, the first electromagnet of 29-, the second electromagnet of 30-, 31- are multiple
Position spring, 32- buffering sliding-casing, 33- tap bar, 34- fixed supported slab, 35- rattle balls, 36- damping spring.
Specific embodiment:
As shown in Figs 1-4, present embodiment uses a kind of ancient Chinese chime with 12 bells performance system of following technical scheme, including plays mechanism 1
With control mechanism 2, the performance mechanism 1 is by support base 17, first support bar 18, first sliding groove 19, first ancient Chinese chime with 12 bells 20, first
Electric telescopic rod 21, first slide 22, second support bar 23, second sliding slot 24, the second electric telescopic rod 25, second slide 26,
Second ancient Chinese chime with 12 bells 27 tap strut 28, the first electromagnet 29, the second electromagnet 30, reset spring 31, buffering sliding-casing 32, tap bar
33, fixed supported slab 34, rattle balls 35 and damping spring 36 form, and the symmetrical both ends in 17 top of support base are welded with the
One support rod 18 is fixedly connected with first sliding groove 19, the first sliding groove 19 between the top of two first support bars 18
Internal both ends are fixedly connected to the first electric telescopic rod 21, and there are two first for the internal slide connection of the first sliding groove 19
Slide 22, the output end of two first electric telescopic rods 21 are fixedly connected with two first slides 22 respectively, and described first
The bottom of sliding slot 19 is connected with several first ancient Chinese chime with 12 bells 20 by rope.
Wherein, the both ends at 19 top of the first sliding groove are symmetrically fixedly connected with second support bar 23, and two described second
Second sliding slot 24 is fixedly connected between the top of support rod 23, the both ends inside the second sliding slot 24 are fixedly connected to
Two electric telescopic rods 25, there are two second slide 26, two described second electronic for the internal slide connection of the second sliding slot 24
The output end of telescopic rod 25 is fixedly connected with two second slides 26 respectively, and the bottom of the second sliding slot 24 is connected by rope
There are several second ancient Chinese chime with 12 bells 27, the side of the second slide 26 and the side of first slide 22 are fixedly connected to two fixations
Supporting plate 34 is rotatably connected between two fixed supported slabs 34 and taps strut 28, and the percussion strut 28 is close to fixed supported slab 34
One end is fixedly connected with the first electromagnet 29, in the second slide 26 and first slide 22 and is located at the side of fixed supported slab 34
It is fixedly connected to the second electromagnet 30, the side for tapping on strut 28 and being located at the first electromagnet 29 is fixedly connected with multiple
Position spring 31, the other end of the reset spring 31 are fixedly connected in second slide 26 and first slide 22, the percussion branch
Bar 28 is fixedly connected with buffering sliding-casing 32 far from one end of fixed supported slab 34, and the internal slide of the buffering sliding-casing 32, which is connected with, to be struck
Hit bar 33, described one end for tapping bar 33 is fixedly connected with postive stop baffle 13, the outside for tapping bar 33 and is located at limiting block
Buffer spring 3 is cased between plate 13 and buffering sliding-casing 32, the percussion bar 33 is fixedly connected with far from one end of postive stop baffle 13
Rattle balls 35, it is described tap bar 33 outside and damping spring 36 is cased between rattle balls 35 and buffering sliding-casing 32.
Wherein, the control mechanism 2 is by console 4, keyboard 5, computer 6, control cabinet 7, USB interface 8, circuit board 9, storage
Device 10, processor 11, master controller 12, current regulator 14, signal receiving unit 15 and signal output unit 16 form, described
The top of console 4 is equipped with computer 6, and the top of the console 4 and the lower section for being located at computer 6 are equipped with keyboard 5, and described first
Sliding slot 19 is fixedly connected with control cabinet 7 close to one end of console 4, and circuit board 9, institute are fixedly connected with inside the control cabinet 7
The side for stating circuit board 9 is fixedly connected with reservoir 10, and 9 side of circuit board and being located at below reservoir 10 is fixedly connected with
Signal output unit 16,9 side of circuit board and the lower section for being located at signal output unit 16 are fixedly connected with signal and receive list
Member 15, the side of the circuit board 9 is fixedly connected sequentially from top to bottom processor 11, master controller 12 and current regulator
14。
Wherein, magnetic pole is on the contrary, be easy to implement percussion when being powered when second electromagnet 30 is powered with the first electromagnet 29.
Wherein, second electromagnet 30 is located at immediately below the first electromagnet 29, taps strut convenient for driving using magnetic force
28 work.
Wherein, first electric telescopic rod 21 and the second electric telescopic rod 25 are electrically connected with master controller 12, just
In automation control the first electric telescopic rod 21 and the second electric telescopic rod 25.
Wherein, the keyboard 5 is electrically connected with computer 6, and the computer 6 is electrically connected with signal receiving unit 15, described
Signal receiving unit 15 and signal output unit 16 are electrically connected, and the signal output unit 16 is electrically connected with reservoir 10,
The reservoir 10 is electrically connected with processor 11, and the processor 11 is electrically connected with master controller 12, the master controller
12 are electrically connected with current regulator 14, and first electromagnet 29 and the second electromagnet 30 electrically connect with current regulator 14
It connects, taps an ancient Chinese chime with 12 bells convenient for automation.
Wherein, the side of the control cabinet 7 is inlaid with USB interface 8, and the USB interface 8 is electrically connected with reservoir 10,
Convenient for transmitting information.
It is specific: a kind of ancient Chinese chime with 12 bells performance system, in use, beating position will be needed to be programmed by 5 pairs of keyboard first,
Program being write by keyboard 5, signal receiving unit 15 being transferred to by computer 6, signal is passed to letter by signal receiving unit 15
Number output unit 16, signal output unit 16 transmit a signal to reservoir 10 and are stored, and then reservoir 10 passes signal
To processor 11, signal is passed into master controller 12 through processor 11, master controller 12 controls 21 He of the first electric telescopic rod
Second electric telescopic rod 25 is moved respectively to designated position, and after reaching designated position, master controller 12 controls the first electromagnet
29 and second electromagnet 30 be powered simultaneously, because when the first electromagnet 29 and the second electromagnet 30 are powered magnetic pole on the contrary, by opposite
Magnetic pole, which attracts each other, contacts the first electromagnet 29 with the second electromagnet 30, by tapping 28 pressed home spring 31 of strut, because
It taps strut 28 and fixed supported slab 34 is rotatablely connected, under the action of lever principle, tap strut 28 and drive 32 turns of buffering sliding-casing
Dynamic, buffering sliding-casing 32 drives rattle balls 35 to rotate, and is tapped by rattle balls 35 to second ancient Chinese chime with 12 bells 27 and first ancient Chinese chime with 12 bells 20, and
And the size of current of the first electromagnet 29 and the second electromagnet 30 is controlled by current regulator 14 according to corresponding position, because of electromagnetism
In the case that iron the number of turns is certain, magnetic force is proportional with size of current, therefore, controls the power that rattle balls 35 tap by size of current
Size is spent, master controller 12 controls the first electromagnet 29 and the power-off of the second electromagnet 30 after the completion of percussion, makees in reset spring 31
It is resetted with lower rattle balls 35, then will hit against ball 35 by the first electric telescopic rod 21 and the second electric telescopic rod 25 and be moved to down
One beating position recycles completion with this and taps performance.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, the technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. a kind of ancient Chinese chime with 12 bells performance system, including play mechanism (1) and control mechanism (2), it is characterised in that: the performance mechanism
(1) by support base (17), first support bar (18), first sliding groove (19), first ancient Chinese chime with 12 bells (20), the first electric telescopic rod
(21), first slide (22), second support bar (23), second sliding slot (24), the second electric telescopic rod (25), second slide
(26), second ancient Chinese chime with 12 bells (27), tap strut (28), be the first electromagnet (29), the second electromagnet (30), reset spring (31), slow
It rushes sliding sleeve (32), tap bar (33), fixed supported slab (34), rattle balls (35) and damping spring (36) composition, the support base
(17) the symmetrical both ends in top are welded with first support bar (18), fixed between the top of two first support bars (18)
It being connected with first sliding groove (19), the internal both ends of the first sliding groove (19) are fixedly connected to the first electric telescopic rod (21),
The internal slide connection of the first sliding groove (19) there are two first slide (22), two first electric telescopic rods (21)
Output end is fixedly connected with two first slides (22) respectively, and the bottom of the first sliding groove (19) is connected with several by rope
A first ancient Chinese chime with 12 bells (20).
2. a kind of ancient Chinese chime with 12 bells performance system according to claim 1, it is characterised in that: two at the top of the first sliding groove (19)
End is symmetrically fixedly connected with second support bar (23), is fixedly connected with second between the top of two second support bars (23)
Sliding slot (24), the internal both ends of the second sliding slot (24) are fixedly connected to the second electric telescopic rod (25), and described second is sliding
There are two second slide (26), the output end difference of two second electric telescopic rods (25) for the internal slide connection of slot (24)
It is fixedly connected with two second slides (26), the bottom of the second sliding slot (24) is connected with several second ancient Chinese chime with 12 bells by rope
(27), the side of the second slide (26) and the side of first slide (22) are fixedly connected to two fixed supported slabs (34),
It is rotatably connected between two fixed supported slabs (34) and taps strut (28), tap strut (28) are close to fixed supported slab (34)
One end is fixedly connected with the first electromagnet (29), on the second slide (26) and first slide (22) and is located at fixed supported slab
(34) side is fixedly connected to the second electromagnet (30), described to tap on strut (28) and be located at the first electromagnet (29)
Side is fixedly connected with reset spring (31), and the other end of the reset spring (31) is fixedly connected on second slide (26) and
On one slide (22), described one end for tapping strut (28) separate fixed supported slab (34) is fixedly connected with buffering sliding-casing (32), institute
The internal slide for stating buffering sliding-casing (32), which is connected with, taps bar (33), and described one end for tapping bar (33) is fixedly connected with limiting block
Plate (13), it is described tap bar (33) outside and be cased with buffer spring between postive stop baffle (13) and buffering sliding-casing (32)
(3), tap bar (33) are fixedly connected with rattle balls (35) far from the one end of postive stop baffle (13), percussion bar (33)
It outside and is cased with damping spring (36) between rattle balls (35) and buffering sliding-casing (32).
3. a kind of ancient Chinese chime with 12 bells performance system according to claim 1, it is characterised in that: the control mechanism (2) is by console
(4), keyboard (5), computer (6), control cabinet (7), USB interface (8), circuit board (9), reservoir (10), processor (11), master control
Device (12), current regulator (14), signal receiving unit (15) and signal output unit (16) composition processed, the console (4)
Top be equipped with computer (6), the top of the console (4) and the lower section for being located at computer (6) is equipped with keyboard (5), described the
One sliding slot (19) is fixedly connected with control cabinet (7) close to the one end of console (4), is fixedly connected with inside the control cabinet (7)
The side of circuit board (9), the circuit board (9) is fixedly connected with reservoir (10), circuit board (9) side and be located at storage
It is fixedly connected with signal output unit (16) below device (10), circuit board (9) side and is located at signal output unit (16)
Lower section be fixedly connected with signal receiving unit (15), the side of the circuit board (9) is fixedly connected sequentially has place from top to bottom
Manage device (11), master controller (12) and current regulator (14).
4. a kind of ancient Chinese chime with 12 bells performance system according to claim 1, it is characterised in that: when second electromagnet (30) is powered
Magnetic pole is opposite when being powered with the first electromagnet (29).
5. a kind of ancient Chinese chime with 12 bells performance system according to claim 1, it is characterised in that: second electromagnet (30) is located at the
Immediately below one electromagnet (29).
6. a kind of ancient Chinese chime with 12 bells performance system according to claim 3, it is characterised in that: first electric telescopic rod (21) and
Second electric telescopic rod (25) is electrically connected with master controller (12).
7. a kind of ancient Chinese chime with 12 bells performance system according to claim 3, it is characterised in that: the keyboard (5) and computer (6) are electrically
Connection, the computer (6) and signal receiving unit (15) are electrically connected, the signal receiving unit (15) and signal output unit
(16) it is electrically connected, the signal output unit (16) and reservoir (10) are electrically connected, the reservoir (10) and processor
(11) it is electrically connected, the processor (11) and master controller (12) are electrically connected, and the master controller (12) and electric current adjust
Device (14) is electrically connected, and first electromagnet (29) and the second electromagnet (30) are electrically connected with current regulator (14).
8. a kind of ancient Chinese chime with 12 bells performance system according to claim 3, it is characterised in that: inlay the side of the control cabinet (7)
Have USB interface (8), the USB interface (8) and reservoir (10) are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515963.XA CN109448674A (en) | 2018-12-12 | 2018-12-12 | A kind of ancient Chinese chime with 12 bells performance system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515963.XA CN109448674A (en) | 2018-12-12 | 2018-12-12 | A kind of ancient Chinese chime with 12 bells performance system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109448674A true CN109448674A (en) | 2019-03-08 |
Family
ID=65557984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811515963.XA Withdrawn CN109448674A (en) | 2018-12-12 | 2018-12-12 | A kind of ancient Chinese chime with 12 bells performance system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109448674A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110085200A (en) * | 2019-05-09 | 2019-08-02 | 平顶山学院 | A kind of music teaching ancient Chinese chime with 12 bells learning device |
| CN111462579A (en) * | 2020-05-08 | 2020-07-28 | 沈阳体育学院 | Chime learning device for music teaching guidance |
| CN112991870A (en) * | 2021-02-25 | 2021-06-18 | 聊城大学 | Percussion beating pronunciation device for music teaching and use method thereof |
-
2018
- 2018-12-12 CN CN201811515963.XA patent/CN109448674A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110085200A (en) * | 2019-05-09 | 2019-08-02 | 平顶山学院 | A kind of music teaching ancient Chinese chime with 12 bells learning device |
| CN111462579A (en) * | 2020-05-08 | 2020-07-28 | 沈阳体育学院 | Chime learning device for music teaching guidance |
| CN111462579B (en) * | 2020-05-08 | 2021-09-10 | 沈阳体育学院 | Chime learning device for music teaching guidance |
| CN112991870A (en) * | 2021-02-25 | 2021-06-18 | 聊城大学 | Percussion beating pronunciation device for music teaching and use method thereof |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190308 |
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| WW01 | Invention patent application withdrawn after publication |