CN109300456A - A kind of piano automatic page turning device - Google Patents
A kind of piano automatic page turning device Download PDFInfo
- Publication number
- CN109300456A CN109300456A CN201811212937.XA CN201811212937A CN109300456A CN 109300456 A CN109300456 A CN 109300456A CN 201811212937 A CN201811212937 A CN 201811212937A CN 109300456 A CN109300456 A CN 109300456A
- Authority
- CN
- China
- Prior art keywords
- piano
- piano frame
- screw
- page turning
- downside
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10G—REPRESENTATION OF MUSIC; RECORDING MUSIC IN NOTATION FORM; ACCESSORIES FOR MUSIC OR MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR, e.g. SUPPORTS
- G10G7/00—Other auxiliary devices or accessories, e.g. conductors' batons or separate holders for resin or strings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D9/00—Bookmarkers; Spot indicators; Devices for holding books open; Leaf turners
- B42D9/04—Leaf turners
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
The invention discloses a kind of piano automatic page turning devices, including piano frame, qin composes bracket, rotating electric machine, rotation axis, protective shell, the qin spectrum bracket is provided on front side of the piano frame, the piano frame is bolted with qin spectrum bracket, radiator-grid is provided on rear side of the piano frame, the radiator-grid is connected by screw to the piano frame, power supply adaptor is provided with for one jiao on rear side of the piano frame, the power supply adaptor is connected by screw to the piano frame, the rotating electric machine is provided on the upside of the piano frame, the rotating electric machine is bolted with the piano frame, the rotation axis is provided on front side of the rotating electric machine.Beneficial effect is: the piano automatic page turning device structure is simple, easy to use, practical, it is provided with air pump and sucker, qin can be composed and carry out automatic page turning, save manpower, it is provided with speech recognition device and encoder, speech recognition device can be made to identify music score, carry out page turning in specific position.
Description
Technical field
The present invention relates to piano fields, more particularly to a kind of piano automatic page turning device.
Background technique
Piano is one of western classical music keyboard instrument, there is the laudatory title of " king of musical instrument ".By 88 (52, key
White key, 36 black keys) and metallic cord soundboard composition.The close Europe Christopher benefit of Italian bar Toro was invented in 1709
Piano.Piano range scope almost enumerates the whole musical sounds in Musical System from A0 (27.5Hz) to C8 (4186Hz), is to remove
The most wide musical instrument of range other than pipe organ.Piano is commonly used to the performance such as solo, ensemble, accompaniment, composition and rehearsal music ten
It is convenient to divide.Player is by affecting the gavel that enclose carpet inside piano, then tapping steel wire string by the key on lower keyboard
It makes a sound.Piano needs the nursing of timing, and the tone color to guarantee it is constant.It needs to carry out music score during piano performance at present
Page turning influences whether playing procedure in page turning, very troublesome.
Summary of the invention
The object of the invention is that a kind of piano automatic page turning device is provided to solve the above-mentioned problems, the present invention
Structure is simple, can automatic turning music.
The present invention through the following technical solutions to achieve the above objectives:
A kind of piano automatic page turning device, including piano frame, qin compose bracket, rotating electric machine, rotation axis, protective shell, institute
It states and is provided with the qin spectrum bracket on front side of piano frame, the piano frame is bolted with qin spectrum bracket, the piano
It is provided with radiator-grid on rear side of frame, the radiator-grid is connected by screw to the piano frame, one jiao of setting on rear side of the piano frame
There is power supply adaptor, the model that the power supply adaptor uses is ATT--15W-1208A, the power supply adaptor and the steel
Qin frame is connected by screw to, and the rotating electric machine is provided on the upside of the piano frame, and the rotating electric machine and the piano frame are logical
It crosses and is bolted, the rotation axis is provided on front side of the rotating electric machine, the rotating electric machine and the rotation axis pass through shaft coupling
Device connection, the rotation axis front side are provided with the protective shell, and the protective shell and the rotation axis are welded, in the protective shell
Portion is provided with air pump, and the protective shell is bolted with the air pump, is provided with rotating bar on the downside of the protective shell, described
Protective shell and the rotating bar are welded, and the rotating bar is internally provided with tracheae, the tracheae and the air pump and is connected by screw thread
It connects, the pipe is provided with solenoid valve, and the solenoid valve is connected by screw to the tracheae, sets on rear side of the rotating bar
It is equipped with connecting rod, the rotating bar and the connecting rod are welded, and are provided with sucker, the connecting rod and institute on rear side of the connecting rod
It states sucker to be connected through a screw thread, the piano frame is internally provided with control box, and the piano frame and the control box pass through bolt
Connection, the control box are internally provided with controller, and the model that the controller uses is SPC-STW-26A1, the control box
It is connected by screw to the controller, is provided with processor on rear side of the controller, the model that the processor uses is
MT6516, the processor are connected by screw to the control box, are provided with speech recognition device on the downside of the controller, described
The model that speech recognition device uses is SNEWFLY-YYS-1, and institute's speech recognizer is connected by screw to the control box, institute
It is provided with encoder on the downside of speech recognizer, the model that the encoder uses is K130-T6C1024BQ60, the coding
Device is connected by screw to the control box, is provided with memory on the downside of the processor, the model that the memory uses is
TVS-882ST2, the memory are connected by screw to the control box, are provided with temperature sensor on the downside of the memory,
The model that the temperature sensor uses is PT100, and the temperature sensor is connected by screw to the control box, the temperature
It is provided with radiator fan on the downside of degree sensor, the radiator fan is connected by screw to the control box, and the qin composes bracket
Downside is provided with cover board, the cover board and the piano frame by rotation connection, and the cover board downside is provided with key.
It is preferred: to be provided with support plate on the downside of the key, the key is connected by a snap with the support plate, described
Support plate is bolted with the piano frame.
So set, being bolted makes good fixing effect between the support plate and the piano frame, stability is strong.
Preferred: the support plate two sides are provided with backplate, and the support plate is bolted with the backplate.
It is easily installed and dismantles so set, being bolted, good fixing effect.
Preferred: the backplate side is provided with control panel, and the backplate is connected by screw to the control panel.
So set, screw connection is easily installed and dismantles, stability is strong, easy to use.
It is preferred: control key to be provided with above the control panel, the control panel is connected by a snap with the control key.
So set, snapping connection makes to be easily installed between the control panel and the control key in disassembly.
It is preferred: to be provided with support column on the downside of the support plate, the support plate is bolted with the support column.
So set, being bolted makes good fixing effect between the support plate and the support column.
Preferred: the piano frame lower front is provided with foot pedal, and the foot pedal and the piano frame pass through buckle
Connection.
So set, snapping connection makes to be easily installed between the foot pedal and the piano frame in disassembly.
Preferred: piano frame bottom is provided with foot pad, and the piano frame is connect with the foot pad by viscose glue.
So set, viscose glue connection keeps stability between the piano frame and the foot pad strong.
Preferred: the processor is connect with institute's speech recognizer and the temperature sensor by conducting wire.
So set, the processor plays the role of handling institute's speech recognizer and the temperature sensor.
It is preferred: the controller and the processor, the radiator fan, the rotating electric machine, the air pump, described
Solenoid valve, the encoder, the power supply adaptor, the memory and the control key are connected by conducting wire.
So set, the controller plays the control processor, radiator fan, the rotating electric machine, described
The effect of air pump, the solenoid valve, the encoder and the memory.
Compared with prior art, beneficial effects of the present invention are as follows:
1, the piano is simple, easy to use, practical with automatic page turning device structure;
2, it is provided with air pump and sucker, qin can be composed and carry out automatic page turning, save manpower;
3, it is provided with speech recognition device and encoder, speech recognition device can be made to identify music score, turned in specific position
Page.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of overall structure diagram of piano automatic page turning device of the present invention;
Fig. 2 is a kind of schematic view of the front view of piano automatic page turning device of the present invention;
Fig. 3 is a kind of power supply adaptor positional structure schematic diagram of piano automatic page turning device of the present invention;
Fig. 4 is a kind of right view schematic diagram of internal structure of piano automatic page turning device of the present invention;
Fig. 5 is a kind of rotating bar schematic diagram of internal structure of piano automatic page turning device of the present invention;
Fig. 6 is a kind of overlooking structure diagram of piano automatic page turning device of the present invention;
Fig. 7 is a kind of circuit structure flow diagram of piano automatic page turning device of the present invention.
The reference numerals are as follows:
1, piano frame;2, qin composes bracket;3, rotating electric machine;4, rotation axis;5, protective shell;6, air pump;7, rotating bar;8, even
Extension bar;9, sucker;10, box is controlled;11, controller;12, processor;13, speech recognition device;14, control panel;15, control key;
16, foot pedal;17, support column;18, support plate;19, backplate;20, key;21, cover board;22, foot pad;23, tracheae;24, electromagnetism
Valve;25, encoder;26, memory;27, power supply adaptor;28, radiator fan;29, temperature sensor;30, radiator-grid.
Specific embodiment
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be further explained below with reference to the attached drawings:
As shown in Fig. 1-Fig. 7, a kind of piano automatic page turning device, including piano frame 1, qin spectrum bracket 2, rotating electric machine 3,
Rotation axis 4, protective shell 5 are provided with qin spectrum bracket 2 on front side of piano frame 1, and qin spectrum bracket 2 is played a supporting role, piano frame 1 and qin
Spectrum bracket 2 is bolted, and is provided with radiator-grid 30 on rear side of piano frame 1, and radiator-grid 30 plays heat dissipation effect, radiator-grid 30 with
Piano frame 1 is connected by screw to, and 1 one jiao of rear side of piano frame is provided with power supply adaptor 27, and power supply adaptor 27 is used to be powered, electricity
Source adapter 27 is connected by screw to piano frame 1, and rotating electric machine 3 is provided on the upside of piano frame 1, and rotating electric machine 3 provides power,
Rotating electric machine 3 is bolted with piano frame 1, and rotation axis 4 is provided on front side of rotating electric machine 3, and rotation axis 4 plays transmission and makees
With rotating electric machine 3 is connect with rotation axis 4 by shaft coupling, and protective shell 5 is provided on front side of rotation axis 4, and protective shell 5 plays protection
Effect, protective shell 5 and rotation axis 4 are welded, and protective shell 5 is internally provided with air pump 6, and air pump 6 is used to be evacuated, protective shell 5 and air pump 6
It is bolted, rotating bar 7 is provided on the downside of protective shell 5, rotating bar 7 plays booster action, and protective shell 5 and rotating bar 7 are welded
It connects, rotating bar 7 is internally provided with tracheae 23, and tracheae 23 is used to gas transmission, and tracheae 23 is connected through a screw thread with air pump 6, in tracheae 23
Portion is provided with solenoid valve 24, and solenoid valve 24 controls gas disengaging, and solenoid valve 24 is connected by screw to tracheae 23, after rotating bar 7
Side is provided with connecting rod 8, and connecting rod 8 plays connection function, and rotating bar 7 and connecting rod 8 are welded, and is provided with suction on rear side of connecting rod 8
Disk 9, sucker 9 are used to page turning, and connecting rod 8 is connected through a screw thread with sucker 9, and piano frame 1 is internally provided with control box 10, piano frame
1 is bolted with control box 10, and control box 10 is internally provided with controller 11, and control box 10 and controller 11 pass through screw
It connects, processor 12 is provided on rear side of controller 11, processor 12 is connected by screw to control box 10, sets on the downside of controller 11
It is equipped with speech recognition device 13, speech recognition device 13 is used to identify that voice, speech recognition device 13 are connected by screw to control box 10,
Encoder 25 is provided on the downside of speech recognition device 13, encoder 25 is connected by screw to control box 10, sets on the downside of processor 12
It is equipped with memory 26, memory 26 is used to store information, and memory 26 is connected by screw to control box 10,26 downside of memory
It is provided with temperature sensor 29, temperature sensor 29 is used to detect temperature, and temperature sensor 29 and control box 10 are connected by screw
It connects, radiator fan 28 is provided on the downside of temperature sensor 29, radiator fan 28 is used to radiate, and radiator fan 28 and control box 10 are logical
Screw connection is crossed, is provided with cover board 21 on the downside of qin spectrum bracket 2, cover board 21 plays a protective role, and cover board 21 and piano frame 1 are by turning
It is dynamic to connect, key 20 is provided on the downside of cover board 21.
In the present embodiment, support plate 18 is provided on the downside of key 20, key 20 is connected by a snap with support plate 18, support
Plate 18 is bolted with piano frame 1, and being bolted makes good fixing effect between support plate 18 and piano frame 1, and stability is strong.
In the present embodiment, 18 two sides of support plate are provided with backplate 19, and support plate 18 is bolted with backplate 19, bolt
Connection is easily installed and dismantles, good fixing effect.
In the present embodiment, 19 side of backplate is provided with control panel 14, and backplate 19 is connected by screw to control panel 14, screw
Connection is easily installed and dismantles, and stability is strong, easy to use.
In the present embodiment, control panel 14 is provided with control key 15 above, and control panel 14 is connected by a snap with control key 15,
Snapping connection makes to be easily installed between control panel 14 and control key 15 in disassembly.
In the present embodiment, support column 17 is provided on the downside of support plate 18, support plate 18 is bolted with support column 17,
Being bolted makes good fixing effect between support plate 18 and support column 17.
In the present embodiment, 1 lower front of piano frame is provided with foot pedal 16, foot pedal 16 and piano frame 1 and is connected by buckle
It connects, snapping connection makes to be easily installed between foot pedal 16 and piano frame 1 in disassembly.
In the present embodiment, 1 bottom of piano frame is provided with foot pad 22, and piano frame 1 is connect with foot pad 22 by viscose glue, and viscose glue connects
Connecing keeps stability between piano frame 1 and foot pad 22 strong.
In the present embodiment, processor 12 is connect with speech recognition device 13 and temperature sensor 29 by conducting wire, processor 12
Play the role of handling speech recognition device 13 and temperature sensor 29.
In the present embodiment, controller 11 and processor 12, rotating electric machine 3, air pump 6, solenoid valve 24, are compiled radiator fan 28
Code device 25, power supply adaptor 27, memory 26 are connected with control key 15 by conducting wire, controller 11 play control processor 12,
The effect of radiator fan 28, rotating electric machine 3, air pump 6, solenoid valve 24, encoder 25 and memory 26.
Working principle: when carrying out piano performance, music score is put into above qin spectrum bracket 2, under the effect of controller 11, voice
Identifier 13 can identify music score, when play to will page turning when, rotating electric machine 3 start, air pump 6 starting, so that sucker 9 is picked up pleasure
Spectrum, then realizes automatic page turning, and encoder 25 can control page turning position, and when it is completed, air pump 6 stops working, and inhales
Disk 9 and music score separate, easy to use, save manpower, and temperature sensor 29 can detecte internal temperature, when temperature is high, heat dissipation
28 pairs of fan internal progress radiating treatments, radiator-grid 30 promotes heat dissipation, highly-safe.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.
Claims (10)
1. a kind of piano automatic page turning device, it is characterised in that: compose bracket (2), rotating electric machine including piano frame (1), qin
(3), rotation axis (4), protective shell (5), piano frame (1) front side are provided with qin spectrum bracket (2), the piano frame (1)
It is bolted with qin spectrum bracket (2), is provided with radiator-grid (30), the radiator-grid on rear side of the piano frame (1)
(30) it is connected by screw to the piano frame (1), is provided with power supply adaptor (27), institute for one jiao on rear side of the piano frame (1)
It states power supply adaptor (27) to be connected by screw to the piano frame (1), is provided with the electric rotating on the upside of the piano frame (1)
Machine (3), the rotating electric machine (3) are bolted with the piano frame (1), are arranged on front side of the rotating electric machine (3)
It states rotation axis (4), the rotating electric machine (3) is connect with the rotation axis (4) by shaft coupling, is set on front side of the rotation axis (4)
It is equipped with the protective shell (5), the protective shell (5) and the rotation axis (4) are welded, and the protective shell (5) is internally provided with gas
It pumps (6), the protective shell (5) is bolted with the air pump (6), is provided with rotating bar on the downside of the protective shell (5)
(7), the protective shell (5) and the rotating bar (7) are welded, and the rotating bar (7) is internally provided with tracheae (23), the tracheae
(23) it is connected through a screw thread with the air pump (6), the tracheae (23) is internally provided with solenoid valve (24), the solenoid valve (24)
It is connected by screw to, is provided with connecting rod (8) on rear side of the rotating bar (7), the rotating bar (7) and institute with the tracheae (23)
Connecting rod (8) welding is stated, is provided with sucker (9) on rear side of the connecting rod (8), the connecting rod (8) passes through with the sucker (9)
It is threadedly coupled, the piano frame (1) is internally provided with control box (10), and the piano frame (1) passes through with the control box (10)
It is bolted, the control box (10) is internally provided with controller (11), and the control box (10) and the controller (11) are logical
Screw connection is crossed, is provided with processor (12) on rear side of the controller (11), the processor (12) and the control box (10)
Be connected by screw to, be provided with speech recognition device (13) on the downside of the controller (11), institute's speech recognizer (13) with it is described
Control box (10) is connected by screw to, and is provided with encoder (25) on the downside of institute's speech recognizer (13), the encoder (25)
It is connected by screw to the control box (10), is provided with memory (26), the memory on the downside of the processor (12)
(26) it is connected by screw to the control box (10), is provided with temperature sensor (29) on the downside of the memory (26), it is described
Temperature sensor (29) is connected by screw to the control box (10), is provided with radiation air on the downside of the temperature sensor (29)
It fans (28), the radiator fan (28) is connected by screw to the control box (10), is provided on the downside of qin spectrum bracket (2)
Cover board (21), the cover board (21) and the piano frame (1) are provided with key by rotation connection, cover board (21) downside
(20)。
2. a kind of piano automatic page turning device according to claim 1, it is characterised in that: set on the downside of the key (20)
Be equipped with support plate (18), the key (20) is connected by a snap with the support plate (18), the support plate (18) with it is described
Piano frame (1) is bolted.
3. a kind of piano automatic page turning device according to claim 2, it is characterised in that: support plate (18) two sides
It is provided with backplate (19), the support plate (18) is bolted with the backplate (19).
4. a kind of piano automatic page turning device according to claim 3, it is characterised in that: backplate (19) side is set
It is equipped with control panel (14), the backplate (19) is connected by screw to the control panel (14).
5. a kind of piano automatic page turning device according to claim 4, it is characterised in that: the control panel (14) is above
It is provided with control key (15), the control panel (14) is connected by a snap with the control key (15).
6. a kind of piano automatic page turning device according to claim 5, it is characterised in that: on the downside of the support plate (18)
It is provided with support column (17), the support plate (18) is bolted with the support column (17).
7. a kind of piano automatic page turning device according to claim 6, it is characterised in that: piano frame (1) bottom
Front side is provided with foot pedal (16), and the foot pedal (16) is connected by a snap with the piano frame (1).
8. a kind of piano automatic page turning device according to claim 7, it is characterised in that: piano frame (1) bottom
It is provided with foot pad (22), the piano frame (1) is connect with the foot pad (22) by viscose glue.
9. a kind of piano automatic page turning device according to claim 8, it is characterised in that: the processor (12) and institute
Speech recognizer (13) is connected with the temperature sensor (29) by conducting wire.
10. a kind of piano automatic page turning device according to claim 9, it is characterised in that: the controller (11) with
The processor (12), the radiator fan (28), the rotating electric machine (3), the air pump (6), the solenoid valve (24), institute
Encoder (25), the power supply adaptor (27), the memory (26) is stated to connect with the control key (15) by conducting wire.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811212937.XA CN109300456A (en) | 2018-10-18 | 2018-10-18 | A kind of piano automatic page turning device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811212937.XA CN109300456A (en) | 2018-10-18 | 2018-10-18 | A kind of piano automatic page turning device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109300456A true CN109300456A (en) | 2019-02-01 |
Family
ID=65157178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811212937.XA Pending CN109300456A (en) | 2018-10-18 | 2018-10-18 | A kind of piano automatic page turning device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109300456A (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205311124U (en) * | 2016-01-28 | 2016-06-15 | 河南理工大学万方科技学院 | Piano musical instrument register for easy reference automatic page turning device |
CN107187236A (en) * | 2017-07-04 | 2017-09-22 | 颜飙 | A kind of automatic turning page piano music stand |
CN206628262U (en) * | 2017-03-21 | 2017-11-10 | 华东交通大学 | A kind of piano of means capable of automatic page turning |
-
2018
- 2018-10-18 CN CN201811212937.XA patent/CN109300456A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205311124U (en) * | 2016-01-28 | 2016-06-15 | 河南理工大学万方科技学院 | Piano musical instrument register for easy reference automatic page turning device |
CN206628262U (en) * | 2017-03-21 | 2017-11-10 | 华东交通大学 | A kind of piano of means capable of automatic page turning |
CN107187236A (en) * | 2017-07-04 | 2017-09-22 | 颜飙 | A kind of automatic turning page piano music stand |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108806651A (en) | A kind of teaching electronic piano | |
CN109300456A (en) | A kind of piano automatic page turning device | |
CN201025577Y (en) | A sound picker device with voltage increase circuit | |
JP2009288317A (en) | Pickup device and electric stringed instrument | |
ES2744443T3 (en) | Device for tuning an organ pipe | |
CN207962492U (en) | A kind of novel stage lamp | |
CN209571222U (en) | A kind of music intelligent prompt Musical instrument for playing | |
CN205900077U (en) | Pedal modulation konghou | |
CN108790462B (en) | Piano music score turning system | |
JP5232532B2 (en) | controller | |
CN209543905U (en) | A kind of anti-fracture guitar string | |
CN203571355U (en) | Tablet personal computer support | |
CN209560852U (en) | A kind of city planning model device | |
CN208920205U (en) | Wall-hanging air conditioner indoor unit | |
CN107481580A (en) | A kind of multi-functional musical instrument teaching player | |
CN209103582U (en) | A kind of vocal music auxiliary breath exercise device | |
CN207008984U (en) | The empty net medium all-in-one of cloud computer | |
JP2009288318A5 (en) | ||
CN108749389B (en) | Paper suction unit in piano music score turning system | |
CN209840348U (en) | Oxygen supply terminal with humidifying function | |
CN208491067U (en) | A kind of novel music school bag | |
CN205754805U (en) | A kind of sensor that amplifies for musical instrument | |
CN211479633U (en) | Double-sound integrated four-ear Huqin | |
CN208985432U (en) | A kind of vocal music exercising auxiliary device | |
CN207729403U (en) | Can darkening the Lamp with ceiling fan with sound equipment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190201 |
|
RJ01 | Rejection of invention patent application after publication |