CN114708769A - Piano exercise device of supplementary teaching - Google Patents
Piano exercise device of supplementary teaching Download PDFInfo
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- CN114708769A CN114708769A CN202210483807.XA CN202210483807A CN114708769A CN 114708769 A CN114708769 A CN 114708769A CN 202210483807 A CN202210483807 A CN 202210483807A CN 114708769 A CN114708769 A CN 114708769A
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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
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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
- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
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Abstract
The invention provides a piano practice device for assisting teaching, and relates to the technical field of piano auxiliary practice devices. This exercise device includes the piano body, the keyway has been seted up on the piano body, the inside of keyway is rotated and is connected with first key and second key, the inside intercommunication of keyway has the spout, the inside sliding connection slide bar of spout, the slide bar rotates with first key and second key respectively and is connected, be connected first spring between first key and second key and the keyway, the control room has still been seted up on the piano body, be equipped with the through-hole of intercommunication between control room and the keyway, all be equipped with fixing device in the through-hole, still be equipped with the display part on the piano body, be equipped with the control part with fixing device and display part electric connection in the control room. The invention can enable the piano trainee to more accurately master the playing rhythm in the playing practice process, more quickly find errors, do not need to compare and correct errors with the original edition after playing, can also learn in real time, and improves the learning efficiency and the learning quality.
Description
Technical Field
The invention relates to the technical field of piano auxiliary exercise devices, in particular to a piano exercise device for auxiliary teaching.
Background
The piano is a keyboard musical instrument in Western classical music and is known as the king of the musical instrument. The range of piano pitch ranges from a0(27.5Hz) to C8(4186Hz), and almost all tones in the tone system are covered, and the instrument is the instrument with the widest pitch range except for the pipe organ. Pianos are commonly used for solo, duet, accompaniment, etc. performances.
At present, in the teaching of piano, the student is mostly the exercise by oneself, the student carries out the exercise of oneself to the music score, in the in-process of practicing, when the student appears playing the wrong condition, the wrong reason major part can be play wrong key, in the exercise of playing of song, it can lead to the student not very easy to distinguish to play wrong key, mislead the student to continue to exercise and remember the fingering along with this exercise process in the long-term past, the quality of teaching can be reduced, besides, in the in-process of teaching, student's position of sitting also is very important, how should be the position of sitting when playing, and this also needs different adjustments to the colleges of different sizes.
Disclosure of Invention
The invention aims to provide a piano practice device for assisting teaching, which can enable a piano student to more accurately master the playing rhythm in the playing practice process, find errors more quickly, do not need to compare with an original edition for error correction after playing, learn in real time and improve the learning efficiency and the learning quality.
The embodiment of the invention is realized by the following steps:
the embodiment of the application provides a piano practice device for assisting teaching, which comprises a piano body, wherein the piano body is provided with a key slot, a plurality of first keys and a plurality of second keys are rotatably connected to the inside of the key groove, a plurality of sliding grooves communicated with the key groove are formed in the key groove, sliding rods are slidably connected to the insides of the sliding grooves, the sliding rods are rotatably connected with the first keys and the second keys respectively, first springs sleeved on the sliding rods are connected between the first keys and the second keys and the key groove, the piano body is also provided with a control chamber, a plurality of communicated through holes are arranged between the control chamber and the key slot, a fixing device is arranged in each through hole, the piano body is also provided with a display part, and a control part electrically connected with the fixing device and the display part is arranged in the control chamber.
In some embodiments of the present invention, the control component includes a controller disposed in the control room, a processor and a memory module, and the processor and the memory module are electrically connected to the controller.
In some embodiments of the present invention, the display component includes a first display screen, a second display screen and a third display screen disposed on the piano body, and the first display screen, the second display screen and the third display screen are all electrically connected to the control component.
In some embodiments of the present invention, the plurality of fixing devices includes a clamping rod disposed in the through hole, a fixing plate is disposed in the control chamber, an electromagnet electrically connected to the controller is disposed on the fixing plate, the clamping rod extends into the control chamber, a second spring connected to an inner sidewall of the control chamber is sleeved on the clamping rod, and a groove matched with the clamping rod is disposed on the sliding rod.
In some embodiments of the present invention, the piano body is detachably connected with a connecting rod, and the free end of the connecting rod is slidably connected with a supporting seat.
In some embodiments of the present invention, the first display screen, the second display screen and the third display screen are hinged to the piano body.
In some embodiments of the present invention, the piano body is provided with a protective cover.
In some embodiments of the present invention, a plurality of the above-mentioned first keys and a plurality of the above-mentioned second keys are provided with reference numerals.
In some embodiments of the present invention, the piano body is provided with a non-slip pad.
In some embodiments of the present invention, a seat cushion is disposed on the supporting seat.
Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects:
the embodiment of the application provides a piano practice device for assisting teaching, which comprises a piano body, wherein the piano body is provided with a key slot, a plurality of first keys and a plurality of second keys are rotatably connected to the inside of the key groove, a plurality of sliding grooves communicated with the key groove are formed in the key groove, a sliding rod is slidably connected to the inside of each sliding groove, the sliding rods are respectively rotatably connected with the first keys and the second keys, first springs sleeved on the sliding rods are respectively connected between the first keys and the second keys and the key groove, the piano body is also provided with a control chamber, a plurality of communicated through holes are arranged between the control chamber and the key slot, a fixing device is arranged in each through hole, the piano body is also provided with a display part, and a control part electrically connected with the fixing device and the display part is arranged in the control chamber. This exercise device specifically includes the piano body, the keyway has been seted up on the piano body, the inside of keyway is rotated and is connected a plurality of first keys and second key, first key and second key correspond black key and white key on the piano respectively, 36 first keys and 52 second keys promptly, and design according to international standard, be provided with a plurality of spouts that are linked together with the keyway in the inside of keyway, the quantity of spout equals the quantity of first key and second key and, and spout and first key and second key one-to-one. The equal sliding connection in the inside of every spout has the slide bar, the one end and every first key and the second key rotation connection of keeping away from the spout at the slide bar, in the time of first key and the depression of second key promptly, can make the slide bar slide in the spout, in order to make first key and second key can resume to the normal position after pushing down, just set up first spring between the tank bottom of first key and keyway and between the tank bottom of second key and keyway, after first key and second key pushed down, can resume the normal position under the effect of spring. The piano body is also provided with a control room, a plurality of through holes are formed between the control room and the key slot, the number of the through holes corresponds to that of the sliding slots, fixing devices are arranged in the through holes and used for fixing the sliding rods, the fixing devices are also electrically connected with control parts in the control room, the piano body is also provided with a display part which is electrically connected with the control parts, the display part can play videos or music during playing practice, and the display part can also present sitting posture requirements during playing on the display part for students to compare and learn; the invention can enable the piano trainee to more accurately master the playing rhythm in the playing practice process, more quickly find errors, do not need to compare and correct errors with the original edition after playing, can also learn in real time, and improves the learning efficiency and the learning quality.
During in-service use, the control part in the control room can be fixed the slide bar through controlling fixing device, when the student when the exercise is played, corresponding exercise song and real-time feedback are played on display component and key through control in the control part, when the student presses wrong key, the fixing device that the wrong key corresponds at this moment is fixed the slide bar, the student then can not press the key, only can press the key to, can avoid the student when playing the exercise, press wrong key and cause the exercise efficiency to reduce.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a piano practice device for teaching assistance according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a piano practice device for teaching assistance according to an embodiment of the present invention;
FIG. 3 is an enlarged partial view of FIG. 1 at A;
fig. 4 is a partially enlarged schematic view of a portion B in fig. 2.
Icon: 1-a piano body; 2-a key groove; 3-first key; 4-second key; 5-a slide bar; 6-a first spring; 7-a protective cover; 8-a first display screen; 9-a second display screen; 10-a third display screen; 11-a control room; 12-a control component; 13-a chute; 14-a clamping rod; 15-a second spring; 16-an electromagnet; 17-fixing the plate; 18-support seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "inside", "outside", etc. are used for indicating the orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention usually place when using, the present invention is only used for convenience of description and simplification of the description, but does not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operate, and thus, the present invention should not be construed as being limited.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Examples
Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of a piano practice device for assisting teaching according to an embodiment of the present invention; FIG. 2 is a schematic diagram of a piano practice device for teaching assistance according to an embodiment of the present invention; FIG. 3 is an enlarged view of a portion of FIG. 1 at A; fig. 4 is a partially enlarged schematic view of a portion B in fig. 2.
The embodiment of the application provides a piano practice device for assisting teaching, which comprises a piano body 1, wherein a key groove 2 is formed in the piano body 1, a plurality of first keys 3 and a plurality of second keys 4 are rotatably connected in the key groove 2, a plurality of sliding grooves 13 communicated with the key groove 2 are formed in the key groove 2, sliding rods 5 are respectively and slidably connected in the sliding grooves 13, the sliding rods 5 are respectively and rotatably connected with the first keys 3 and the second keys 4, first springs 6 sleeved on the sliding rods 5 are respectively connected between the first keys 3 and the second keys 4 and the key groove 2, a control chamber 11 is further formed in the piano body 1, a plurality of through holes communicated with the control chamber 11 and the key groove 2 are formed in the through holes, fixing devices are respectively arranged in the through holes, and a display component is further arranged on the piano body 1, the control room 11 is provided with a control part 12 electrically connected to the fixing device and the display part. This exercise device specifically includes piano body 1, keyway 2 has been seted up on piano body 1, the inside of keyway 2 is rotated and is connected a plurality of first keys 3 and second key 4, first key 3 and second key 4 correspond black key and white key on the piano respectively, 36 first keys 3 and 52 second keys 4 promptly, and design according to international standard, be provided with a plurality of spouts 13 that are linked together with keyway 2 in the inside of keyway 2, the quantity of spout 13 equals the quantity of first key 3 and second key 4 and, and spout 13 and first key 3 and 4 one-to-one of second key. All sliding connection has the slide bar 5 in the inside of every spout 13, the one end of keeping away from spout 13 at slide bar 5 rotates with every first key 3 and second key 4 and is connected, when first key 3 and second key 4 push down promptly, can make slide bar 5 slide in spout 13, in order to make first key 3 and second key 4 can resume to the normal position after pushing down, just set up first spring 6 between the tank bottom of first key 3 and keyway 2 and between the tank bottom of second key 4 and keyway 2, after first key 3 and second key 4 pushed down, can resume the normal position under the effect of spring. The piano body 1 is also provided with a control room 11, a plurality of through holes are formed between the control room 11 and the key slot 2, the number of the through holes corresponds to that of the sliding grooves 13, fixing devices are arranged in the through holes and used for fixing the sliding rods 5, the fixing devices are also electrically connected with a control part 12 in the control room 11, a display part electrically connected with the control part 12 is also arranged on the piano body 1, the display part can play videos or music during playing practice, and the display part can also present sitting posture requirements during playing on the display part for students to perform comparison learning; the invention can enable the piano trainee to more accurately master the playing rhythm in the playing practice process, more quickly find errors, do not need to compare and correct errors with the original edition after playing, can also learn in real time, and improves the learning efficiency and the learning quality.
In the time of in-service use, the control part 12 in the control room 11 can fix the slide bar 5 through controlling fixing device, when the student is in the exercise and plays, play corresponding exercise song and feed back on display component and key in real time in the control part 12, when the student presses wrong key, the fixing device that wrong key corresponded at this moment is with slide bar 5 fixed, the student then can not press the key, can only press the key to, can avoid the student when playing the exercise, press wrong key and cause the exercise efficiency to reduce.
In some embodiments of the present invention, the control unit 12 includes a controller disposed in the control room 11, a processor and a memory module, and the processor and the memory module are electrically connected to the controller.
In actual use, the control part 12 specifically comprises a controller, a processor and a storage module which are arranged in the control room 11, the controller, the storage module and the processor are electrically connected, the storage module can store the songs exercised by the piano, and the processor can perform corresponding data processing.
In some embodiments of the present invention, as shown in fig. 1 and 2, the display part includes a first display screen 8, a second display screen 9 and a third display screen 10 disposed on the piano body 1, and the first display screen 8, the second display screen 9 and the third display screen 10 are electrically connected to the control part 12.
During in service use, the display part is specifically for setting up first display screen 8, second display screen 9 and third display screen 10 on piano body 1, electric connection between these three display screens and the control part 12, and can with the control part 12 between realize real-time interaction, among these three display screens, first display screen 8 is the real-time interactive screen of touch, can accomplish the operation of selecting songs.
In some embodiments of the present invention, as shown in fig. 3 and 4, the plurality of fixing devices include a clamping rod 14 disposed in the through hole, a fixing plate 17 is disposed in the control chamber 11, an electromagnet 16 electrically connected to the controller is disposed on the fixing plate 17, the clamping rod 14 extends into the control chamber 11, a second spring 15 connected to an inner side wall of the control chamber 11 is sleeved on the clamping rod 14, and a groove matched with the clamping rod 14 is disposed on the sliding rod 5.
In practical use, the fixing device specifically comprises a clamping rod 14 arranged in the through hole, the clamping rod 14 can slide in the through hole, a fixing plate 17 is arranged in the control chamber 11, an electromagnet 16 is arranged on the fixing plate 17, the electromagnet 16 is electrically connected with the controller, the electromagnet 16 can attract the clamping rod 14 to slide, when the device is in operation, the controller controls the electromagnet 16 to be powered on and started in real time according to the real-time situation of a placed song, when the electromagnet 16 is started, the clamping rod 14 can be attracted to slide in the control chamber 11, the clamping rod 14 is used for fixing the sliding rod 5, a groove matched with the clamping rod 14 is arranged on the sliding rod 5, when the device is clamped, the sliding rod 5 cannot move, the corresponding key cannot be pressed down, when the electromagnet 16 is in operation, the clamping rod 14 is attracted to slide in the control chamber 11, the clamping is disengaged, the sliding rod 5 can slide, and the key can be pressed down, the second spring 15 is arranged on the clamping rod 14, and the clamping rod 14 can be pulled back towards the direction of the sliding rod 5 by the second spring 15 when the electromagnet 16 is not electrified, so that the clamping rod 14 fixes the sliding rod 5 again, and the keys cannot be pressed down when wrong keys are pressed, and the keys can be pressed down when correct keys are pressed.
In some embodiments of the present invention, as shown in fig. 1, a connecting rod is detachably connected to the piano body 1, and a support 18 is slidably connected to a free end of the connecting rod.
When in actual use, can dismantle in the bottom position department of piano body 1 and be connected with the connecting rod, sliding connection supporting seat 18 on the one end of piano body 1 is kept away from to the connecting rod, and supporting seat 18 is used for practicing the stool that the piano was played as the student, and supporting seat 18 can reach height adjustment's effect, can carry out the playing of suitable height adjustment with better study piano according to the student of different height sizes.
In some embodiments of the present invention, as shown in fig. 1, the first display screen 8, the second display screen 9 and the third display screen 10 are hinged to the piano body 1.
During the in-service use, first display screen 8, second display screen 9 and third display screen 10 all articulate on piano body 1, and first display screen 8, second display screen 9 and third display screen 10 can carry out the adjustment of angle according to actual conditions on piano body 1 promptly to adapt to the actual exercise scene.
In some embodiments of the present invention, as shown in fig. 1, the piano body 1 is provided with a protective cover 7.
In actual use, set up protection casing 7 on piano body 1, protection casing 7 specifically is used for playing the effect of protection to first key 3 and second key 4 on keyway 2.
In some embodiments of the invention, a plurality of said first keys 3 and a plurality of said second keys 4 are provided with reference numerals.
During in-service use, all be provided with the reference numeral on every first key 3 and second key 4, the effect that sets up the reference numeral lies in can playing supplementary effect to the student's performance of learning the piano, and sets up the reference numeral and be convenient for the student carry out the exercise of playing more accurately according to the video teaching content in the display components.
In some embodiments of the present invention, the piano body 1 is provided with a non-slip mat.
When in actual use, set up the slipmat in the bottom of piano body 1, the setting of slipmat can be placed piano body 1 and take place to slide.
In some embodiments of the present invention, a cushion is disposed on the supporting seat 18.
In actual use, the seat cushion is arranged on the supporting seat 18, and the student can sit for a long time when practicing playing the piano, so that the seat cushion suitable for the long-term sitting of the student is also favorable for the learning emotion of the student.
The embodiment of the application provides a piano practice device for assisting teaching, which comprises a piano body 1, wherein a key groove 2 is formed in the piano body 1, a plurality of first keys 3 and a plurality of second keys 4 are rotatably connected in the key groove 2, a plurality of sliding grooves 13 communicated with the key groove 2 are formed in the key groove 2, sliding rods 5 are respectively and slidably connected in the sliding grooves 13, the sliding rods 5 are respectively and rotatably connected with the first keys 3 and the second keys 4, first springs 6 sleeved on the sliding rods 5 are respectively connected between the first keys 3 and the second keys 4 and the key groove 2, a control chamber 11 is further formed in the piano body 1, a plurality of through holes communicated with the control chamber 11 and the key groove 2 are formed in the through holes, fixing devices are respectively arranged in the through holes, and a display component is further arranged on the piano body 1, the control room 11 is provided with a control part 12 electrically connected to the fixing device and the display part. This exercise device specifically includes piano body 1, keyway 2 has been seted up on piano body 1, the inside of keyway 2 is rotated and is connected a plurality of first keys 3 and second key 4, first keys 3 and second key 4 are corresponding black key and white key on the piano respectively, 36 first keys 3 and 52 second keys 4 promptly, and design according to international standard, be provided with a plurality of spouts 13 that are linked together with keyway 2 in the inside of keyway 2, the quantity of spout 13 equals the quantity of first keys 3 and second keys 4 and, and spout 13 and first keys 3 and second keys 4 one-to-one. All sliding connection has the slide bar 5 in the inside of every spout 13, the one end of keeping away from spout 13 at slide bar 5 rotates with every first key 3 and second key 4 and is connected, when first key 3 and second key 4 push down promptly, can make slide bar 5 slide in spout 13, in order to make first key 3 and second key 4 can resume to the normal position after pushing down, just set up first spring 6 between the tank bottom of first key 3 and keyway 2 and between the tank bottom of second key 4 and keyway 2, after first key 3 and second key 4 pushed down, can resume the normal position under the effect of spring. The piano body 1 is also provided with a control room 11, a plurality of through holes are formed between the control room 11 and the key slot 2, the number of the through holes corresponds to that of the sliding grooves 13, fixing devices are arranged in the through holes and used for fixing the sliding rods 5, the fixing devices are also electrically connected with a control part 12 in the control room 11, a display part electrically connected with the control part 12 is also arranged on the piano body 1, the display part can play videos or music during playing practice, and the display part can also present sitting posture requirements during playing on the display part for students to perform comparison learning; the invention can enable the piano trainee to more accurately master the playing rhythm in the playing practice process, more quickly find errors, do not need to compare and correct errors with the original edition after playing, can also learn in real time, and improves the learning efficiency and the learning quality.
In the time of in-service use, the control part 12 in the control room 11 can fix the slide bar 5 through controlling fixing device, when the student is in the exercise and plays, play corresponding exercise song and feed back on display component and key in real time in the control part 12, when the student presses wrong key, the fixing device that wrong key corresponded at this moment is with slide bar 5 fixed, the student then can not press the key, can only press the key to, can avoid the student when playing the exercise, press wrong key and cause the exercise efficiency to reduce.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. 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. A piano practice device for assisting teaching is characterized by comprising a piano body, wherein a key slot is arranged on the piano body, a plurality of first keys and a plurality of second keys are rotatably connected inside the key groove, a plurality of sliding grooves communicated with the key groove are formed inside the key groove, sliding rods are slidably connected inside the sliding grooves, the sliding rods are respectively rotatably connected with the first keys and the second keys, first springs sleeved on the sliding rods are connected between the first keys and the second keys and the key groove, the piano body is also provided with a control chamber, a plurality of communicated through holes are arranged between the control chamber and the key slot, a fixing device is arranged in each through hole, still be equipped with the display part on the piano body, be equipped with in the control room with fixing device with display part electric connection's control unit.
2. A teaching aid piano practice device as claimed in claim 1, wherein the control unit includes a controller, a processor and a memory module disposed within the control room, the processor and the memory module being electrically connected to the controller.
3. The piano practice device of claim 1, wherein the display unit comprises a first display screen, a second display screen and a third display screen, the first display screen, the second display screen and the third display screen are disposed on the piano body, and the first display screen, the second display screen and the third display screen are electrically connected to the control unit.
4. The piano practice device for assisting teaching of claim 1, wherein the plurality of fixing devices comprise clamping rods arranged in the through holes, fixing plates are arranged in the control chamber, electromagnets electrically connected with the controller are arranged on the fixing plates, the clamping rods extend to the inside of the control chamber, second springs connected with the inner side wall of the control chamber are sleeved on the clamping rods, and grooves matched with the clamping rods are formed in the sliding rods.
5. A teaching aid piano practice device as claimed in claim 1, wherein a connecting rod is detachably connected to the piano body, and a support is slidably connected to a free end of the connecting rod.
6. A teaching aid piano practice device as claimed in claim 3, wherein the first, second and third display screens are hinged to the piano body.
7. A teaching aid piano practice device as claimed in claim 1, wherein a protective cover is provided on the piano body.
8. A teaching aid piano practice device as claimed in claim 1, wherein a plurality of said first keys and a plurality of said second keys are provided with a reference numeral.
9. A piano practice device for assisting teaching as claimed in claim 1, wherein a non-slip mat is provided on the piano body.
10. A teaching aid piano practice device as claimed in claim 5, wherein a cushion is provided on the support base.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210483807.XA CN114708769A (en) | 2022-05-05 | 2022-05-05 | Piano exercise device of supplementary teaching |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210483807.XA CN114708769A (en) | 2022-05-05 | 2022-05-05 | Piano exercise device of supplementary teaching |
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| CN211555185U (en) * | 2019-07-11 | 2020-09-22 | 陈思宇 | Piano playing correction device |
| CN211319467U (en) * | 2019-11-13 | 2020-08-21 | 洛阳李玲教育科技有限公司 | Piano with supplementary teaching function |
| CN211878796U (en) * | 2020-03-23 | 2020-11-06 | 莆田学院 | Intelligent auxiliary learning device for piano |
| CN112489528A (en) * | 2020-12-14 | 2021-03-12 | 潍坊科技学院 | Fingering auxiliary exercise device for music teaching |
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