CN204834028U - Intelligent fender of exercise usefulness - Google Patents

Intelligent fender of exercise usefulness Download PDF

Info

Publication number
CN204834028U
CN204834028U CN201520519896.4U CN201520519896U CN204834028U CN 204834028 U CN204834028 U CN 204834028U CN 201520519896 U CN201520519896 U CN 201520519896U CN 204834028 U CN204834028 U CN 204834028U
Authority
CN
China
Prior art keywords
key
display module
circuit board
fender body
fender
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.)
Expired - Fee Related
Application number
CN201520519896.4U
Other languages
Chinese (zh)
Inventor
姜洪平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HANGZHOU LANHU MUSICAL INSTRUMENT Co Ltd
Original Assignee
HANGZHOU LANHU MUSICAL INSTRUMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HANGZHOU LANHU MUSICAL INSTRUMENT Co Ltd filed Critical HANGZHOU LANHU MUSICAL INSTRUMENT Co Ltd
Priority to CN201520519896.4U priority Critical patent/CN204834028U/en
Application granted granted Critical
Publication of CN204834028U publication Critical patent/CN204834028U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses an intelligent fender of exercise usefulness, including the fender body, electric piano keyboard on the fender body is including a plurality of keys, band number word MIDI interface and audio amplifier, a circuit board is installed to electricity piano keyboard's below, is equipped with the LED pilot lamp on the circuit board, and every key intermediate position is opened has printing opacity bar hole, and during every LED pilot lamp all dropped on the printing opacity bar hole of every key intermediate position, electric piano keyboard's root was equipped with a data display module bottom plate, be equipped with on the data display module bottom plate with electric piano keyboard on the corresponding data display module of every key, every data display module is connected with the circuit board, is provided with the host computer in the fender body, and the host computer is connected with circuit board, display screen and audio amplifier respectively. The utility model discloses utilize to set up and to set up data display module and LED pilot lamp come that carry out the location of the key and the gimmick is indicateed to the person of playing on the key, can make quick study of the person of playing and exercise piano, be worth the popularization.

Description

A kind of Intelligent electric piano practised
Technical field
The utility model relates to electric music synthesis technical field, particularly relates to a kind of Intelligent electric piano practised.
Background technology
Fender (Electronicalpiano) is a kind of electrophonic musical instrument.It is that twentieth century six the seventies rises, the eighties is popular a kind of for replacing the musical instrument of piano in some occasion in early days to the nineties, its principle of sound is as on-off switch using keyboard, once press key, inner crystal oscillator is started working, produce the waveform of certain frequency, then through the amplification of frequency divider, send into loudspeaker sounding.And on June 13rd, 2014 application application number be 201420317977.1 " a kind of note suggestion device of fender ", its structure is the fingerboard with multiple key, the LED warning light corresponding respectively with described multiple key, the plane at wherein said LED warning light place is parallel with the plane at described multiple key place, play the player of predetermined qin spectrum, and respectively with described fingerboard, the detecting device that described LED warning light is connected with described player, described detecting device detects the state of described multiple key and carries out note prompting by described LED warning light according to testing result, this fender detects the state of the multiple keys in fingerboard according to detecting device, and carry out note prompting by LED warning light according to testing result, namely the note next will played is pointed out by LED warning light, if player plays correctly, then continue the next note of prompting, if player plays mistake, then the next one can not be pointed out, until player plays correctly, although what also can greatly reduce piano enters gate threshold, but be also all 88 standard steel piano key boards for fender, corresponding fingerboard can along with finger corresponding to the difference of the music score of Chinese operas, thus play out different songs, but existing fender does not have one to distinguish right-hand man, and distinguish the function of the upper different finger of right-hand man, so be necessary to make improvement to above-mentioned traditional electrical piano.
Utility model content
For deficiency of the prior art, the utility model provides a kind of Intelligent electric piano practised, be convenient to the right-hand man corresponding to using when player plays and the correspondence finger on right-hand man presses corresponding electric piano keyboard key, thus make player reach Fast Learning piano and be familiar with the object of qin spectrum.
To achieve these goals, technical solution adopted in the utility model is:
A kind of Intelligent electric piano practised, comprise fender body, electric piano keyboard on fender body includes multiple key, fender body is provided with the digital midi interface of band and audio amplifier, the below of described electric piano keyboard is provided with a circuit board, circuit board is provided with LED light, each key centre position has printing opacity bar hole, LED light on circuit board is corresponding with the printing opacity bar hole in each key centre position, each LED light all drops in the printing opacity bar hole in each key centre position, the root of electric piano keyboard is provided with a digital display module base plate, digital display module base plate is provided with the digital display module corresponding with each key on electric piano keyboard, described each digital display module is connected with circuit board, main frame is provided with in fender body, main frame respectively with circuit board, display screen is connected with audio amplifier, main frame is connected with the band numeral midi interface on fender body.
Described fender body is provided with input equipment interface, input equipment interface is connected with the main frame in fender body, be connected with external unit by this input equipment interface, be convenient to music score of Chinese operas pre-edit inner to fender, wherein input equipment interface can with external unit Internet connectivity.
Described display location is on fender body, make player can carry out by display screen the study that is conducive to, also the input of the music score of Chinese operas and the control of pattern can be carried out by display screen, the utility model also can show right-hand man's animation in display screen, instruct player to practise by the simulation right-hand man key played on screen, when the music score of Chinese operas starts to play, right-hand man will play according to the finger order set in the music score of Chinese operas, player is learnt convenient, Imitation Exercise is more directly perceived.
The utility model is connected with audio amplifier with circuit board, display screen respectively by main frame, because circuit board is provided with LED light, each LED light all drops in the printing opacity bar hole in each key centre position, the root of electric piano keyboard is provided with a digital display module base plate, digital display module base plate is provided with the digital display module corresponding with each key on electric piano keyboard, and described each digital display module is connected with circuit board.The music score of Chinese operas is inputted in advance in the main frame in fender, the music score of Chinese operas is shown by display screen, main frame controls the LED light on the circuit board under key corresponding to this music score of Chinese operas by the music score of Chinese operas, LED light light makes key luminous by the printing opacity bar hole that each key centre position has, thus prompting player presses corresponding key.And in display screen, include individual login button function and different mode capabilities, student individual center is entered by individual login button, and then can check that student practices the qin time, practice the music score of Chinese operas of qin, the collection of the music score of Chinese operas and number of times, such as altogether how long practice qin, this month, has practiced how many inferior data, thus better understand beginner's study condition, better to learn, main frame by information transmission good for pre-edit to the LED light on circuit board, circuit board is collected key and whether is pressed information transmission to main frame, main frame carries out control LED light again, main frame is connected with audio amplifier, when key is pressed, Host Detection is to signal, sound or other tone colors of piano is sent by audio amplifier, key has dynamics to respond to, the dynamics of player can be responded to, thus volume when automatically regulating key to play, the volume making audio amplifier send piano has dividing of height, wherein different patterns has normal play mode, by key pattern, error correction mode, reach a standard game mode etc., introduce normal play mode respectively below, by key pattern, error correction mode and the game mode that reaches a standard:
Normal play mode, the music score of Chinese operas sends to circuit board after host process, and circuit board can issue LED light on corresponding key and digital display module, and the music score of Chinese operas at this moment through setting can by normal speed forward, and student can according to luminescence and then exercise;
By key pattern, the music score of Chinese operas sends to circuit board after host process, circuit board can issue LED light on corresponding key and digital display module, at this moment the music score of Chinese operas through setting lights one by one according to note on the music score of Chinese operas, as when first note pilot lamp lights, student will play, if student does not play, then the music score of Chinese operas also can not down be advanced in display screen, the light of LED light and digital display module is also always bright, until after student played, the music score of Chinese operas proceeds to next note, LED light on the key that next note is corresponding and digital display module glittering, student is reminded to play next note, next but one note is proceeded to again after next note completes, by that analogy, a upper note does not complete, just down do not carry out, be parked on that note always, until down carry out again after completing,
Error correction mode, wait the music score of Chinese operas in use to carry out according to predetermined speed, LED light on key in correspondence and digital display module synchronous flashing, student is reminded to press corresponding key, if student does not press or presses other key, then main frame automatically makes fork (making fork to be used for representing mistake) by display screen above this note, correctly knock, automatically play check mark (playing check mark to be used for representing correct), total how many note bullets mistake can be gone out by programming count after the music score of Chinese operas terminates, then score, and show the score of the top ten ranking list of this music score of Chinese operas and this music score of Chinese operas of top ten, error correction mode can playback, allow the place that student oneself can find out shortcomings,
Reach a standard game mode, by the music score of Chinese operas can be set in advance as closing in main frame, calculate according to the error rate of error correction mode and whether reach a standard, bullet is a wrong note then blood progress bar just reduces a bit, do not compete when blood and just finish, cross the first pass and then enter the second pass, then the 3rd close, by that analogy, and announce ranking list, obtain integration, seed can be bought with integration, to germination, leaf, buy the similar farms such as chicken and duck, all right accumulated point exchanging prize etc., as can ten close as one-level, one-level is excessively complete enters secondary, more larger toward senior degree-of-difficulty factor, thus improve the enthusiasm of study.
Fender of the present utility model has rhythm and tone color to select, can be selected by display screen, main frame connects display screen, the music score of Chinese operas of pre-edit is shown by display screen by main frame, wherein the form of the music score of Chinese operas is according to the format editing in teaching material, host setting goes out the order of right-hand man simultaneously, specify finger, speed etc., a guy's login button in display screen, collection button, speed regulates button, broadcast button, finger animation, tone color select button, opened file folder button, metronome button (namely tempo buttons), bent library button, ranking list button, waterfall bar button, interval button, cycle button, recording and playback button, video teaching button.LED light is set to when red and represents that left hand is played, and the bright expression right hand of the blue lamp of LED light is played, and sets thumb, forefinger, middle finger, the third finger, the corresponding numeral " 1,2,3,4,5 " of little finger of toe simultaneously.Such as according to music score and play and require that the next fingering needing note and the employing of playing is that while left hand thumb presses do sound, right hand forefinger presses la sound, LED light display now on the fender key that do sound is corresponding is red, and the digital display module corresponding with this fender key shows numeral " 1 ", and the LED light display blueness simultaneously on the fender key that la sound is corresponding, and show numeral " 2 " with this digital display module, instruction player uses right hand forefinger, thus the gimmick of player is pointed out, if wherein player plays mistake, then can not point out the digital display module on next key and LED light, until player is by correct key, if player plays correctly, then continue the next digital display module of prompting and LED light, thus can convenient player's Fast Learning and practicing on the piano, due to main frame being provided with display screen, also rhythm and the tone color of fender can be adjusted by the rhythm on main frame or display screen and tone color select button.
Accompanying drawing explanation
Fig. 1 is fender vertical view of the present utility model;
Fig. 2 is A place partial enlarged drawing in Fig. 1;
Fig. 3 is block diagram of the present utility model
Fig. 4 plays schematic diagram in the utility model display screen.
Embodiment
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of Intelligent electric piano practised, comprise fender body 1, electric piano keyboard 2 on fender body 1 includes multiple key 21, fender body 1 is provided with the digital midi interface of band and audio amplifier, the below of described electric piano keyboard 2 is provided with a circuit board, circuit board is provided with LED light 211, each key 21 centre position has printing opacity bar hole, LED light 211 on circuit board is corresponding with the printing opacity bar hole in each key 21 centre position, each LED light 211 all drops in the printing opacity bar hole in each key 21 centre position, the root of electric piano keyboard 2 is provided with a digital display module base plate, digital display module base plate is provided with the digital display module 212 corresponding with each key 21 on electric piano keyboard 2, described each digital display module 212 is connected with circuit board, main frame is provided with in fender body 1, main frame respectively with circuit board, display screen is connected with audio amplifier, main frame is connected with the band numeral midi interface on fender body 1.
Described fender body 1 is provided with input equipment interface, input equipment interface is connected with the main frame in fender body 1, be connected with external unit by this input equipment interface, be convenient to music score of Chinese operas pre-edit inner to fender, wherein input equipment interface can with external unit Internet connectivity.
Described display location is on fender body 1, make player can carry out by display screen the study that is conducive to, also the input of the music score of Chinese operas and the control of pattern can be carried out by display screen, the utility model also can show right-hand man's animation in display screen, player is instructed to practise by the simulation right-hand man key played on screen, when the music score of Chinese operas starts to play, right-hand man will play according to the finger order set in the music score of Chinese operas, player is learnt convenient, Imitation Exercise (as shown in Figure 4) more directly perceived.
The utility model is connected with audio amplifier with circuit board, display screen respectively by main frame, because circuit board is provided with LED light 211, each LED light 211 all drops in the printing opacity bar hole in each key 21 centre position, the root of electric piano keyboard 2 is provided with a digital display module base plate, digital display module base plate is provided with the digital display module 212 corresponding with each key 21 on electric piano keyboard 2, and described each digital display module 212 is connected with circuit board.The music score of Chinese operas is inputted in advance in the main frame in fender, the music score of Chinese operas is shown by display screen, main frame controls the LED light 211 on the circuit board under key corresponding to this music score of Chinese operas 21 by the music score of Chinese operas, LED light 211 light makes key 21 luminous by the printing opacity bar hole that each key centre position has, thus prompting player presses corresponding key 21.And in display screen, include individual login button function and different mode capabilities, student individual center is entered by individual login button, and then can check that student practices the qin time, practice the music score of Chinese operas of qin, the collection of the music score of Chinese operas and number of times, such as altogether how long practice qin, this month, has practiced how many inferior data, thus better understand beginner's study condition, better to learn, main frame by information transmission good for pre-edit to the LED light 211 on circuit board, circuit board is collected key 21 and whether is pressed information transmission to main frame, main frame carries out control LED light 211 again, main frame is connected with audio amplifier, when key 21 is pressed, Host Detection is to signal, sound or other tone colors of piano is sent by audio amplifier, key 21 has dynamics to respond to, the dynamics of player can be responded to, thus volume when automatically regulating key to play, the volume making audio amplifier send piano has dividing of height, wherein different patterns has normal play mode, by key pattern, error correction mode, reach a standard game mode etc., introduce normal play mode respectively below, by key pattern, error correction mode and the game mode that reaches a standard:
Normal play mode, the music score of Chinese operas sends to circuit board after host process, and circuit board can issue LED light 211 on corresponding key and digital display module 212, and the music score of Chinese operas at this moment through setting can by normal speed forward, and student can according to luminescence and then exercise;
By key pattern, the music score of Chinese operas sends to circuit board after host process, circuit board can issue LED light 211 on corresponding key 21 and digital display module 212, at this moment the music score of Chinese operas through setting lights one by one according to note on the music score of Chinese operas, as when first note pilot lamp lights, student will play, if student does not play, then the music score of Chinese operas also can not down be advanced in display screen, the light of LED light 211 and digital display module 212 is also always bright, until after student played, the music score of Chinese operas proceeds to next note, LED light 211 on the key 21 that next note is corresponding and digital display module 212 glittering, student is reminded to play next note, next but one note is proceeded to again after next note completes, by that analogy, a upper note does not complete, just down do not carry out, be parked on that note always, until down carry out again after completing,
Error correction mode, wait the music score of Chinese operas in use to carry out according to predetermined speed, LED light 211 on key in correspondence and digital display module 212 synchronous flashing, student is reminded to press corresponding key, if student does not press or presses other key, then main frame automatically makes fork (making fork to be used for representing mistake) by display screen above this note, correctly knock, automatically play check mark (playing check mark to be used for representing correct), total how many note bullets mistake can be gone out by programming count after the music score of Chinese operas terminates, then score, and show the score of the top ten ranking list of this music score of Chinese operas and this music score of Chinese operas of top ten, error correction mode can playback, allow the place that student oneself can find out shortcomings,
Reach a standard game mode, by the music score of Chinese operas can be set in advance as closing in main frame, calculate according to the error rate of error correction mode and whether reach a standard, bullet is a wrong note then blood progress bar just reduces a bit, do not compete when blood and just finish, cross the first pass and then enter the second pass, then the 3rd close, by that analogy, and announce ranking list, obtain integration, seed can be bought with integration, to germination, leaf, buy the similar farms such as chicken and duck, all right accumulated point exchanging prize etc., as can ten close as one-level, one-level is excessively complete enters secondary, more larger toward senior degree-of-difficulty factor, thus improve the enthusiasm of study.
Fender of the present utility model has rhythm and tone color to select, can be selected by display screen, main frame connects display screen, the music score of Chinese operas of pre-edit is shown by display screen by main frame, wherein the form of the music score of Chinese operas is according to the format editing in teaching material, host setting goes out the order of right-hand man simultaneously, specify finger, speed etc., a guy's login button in display screen, collection button, speed regulates button, broadcast button, finger animation, tone color select button, opened file folder button, metronome button (namely tempo buttons), bent library button, ranking list button, waterfall bar button, interval button, cycle button, recording and playback button, video teaching button.LED light 211 is set to when red and represents that left hand is played, and the bright expression right hand of the blue lamp of LED light 211 is played, and sets thumb, forefinger, middle finger, the third finger, the corresponding numeral " 1,2,3,4,5 " of little finger of toe simultaneously.Such as according to music score and play and require that the next fingering needing note and the employing of playing is that while left hand thumb presses do sound, right hand forefinger presses la sound, LED light display now on the fender key that do sound is corresponding is red, and the digital display module corresponding with this fender key shows numeral " 1 ", and the LED light display blueness simultaneously on the fender key that la sound is corresponding, and show numeral " 2 " with this digital display module, instruction player uses right hand forefinger, thus the gimmick of player is pointed out, if wherein player plays mistake, then can not point out the digital display module 212 on next key and LED light 211, until player is by correct key, if player plays correctly, then continue the next digital display module 212 of prompting and LED light 211, thus can convenient player's Fast Learning and practicing on the piano, due to main frame being provided with display screen, also rhythm and the tone color of fender can be adjusted by the rhythm on main frame or display screen and tone color select button.As shown in Figure 4, the utility model also can show right-hand man's animation in display screen, player is instructed to practise by the simulation right-hand man key played on screen, when the music score of Chinese operas starts to play, right-hand man will play according to the finger order set in the music score of Chinese operas, player is learnt convenient, Imitation Exercise is more directly perceived.
The utility model utilizes to be arranged on and key 21 arranges digital display module 212 and LED light 211 carries out note to player and gimmick is pointed out, and player can be made independently to practise under the guidance not having teacher, structure simply, be worthy to be popularized.
More than show and describe ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (3)

1. the Intelligent electric piano practised, comprise fender body, electric piano keyboard on fender body includes multiple key, fender body is provided with the digital midi interface of band and audio amplifier, it is characterized in that, the below of described electric piano keyboard is provided with a circuit board, circuit board is provided with LED light, each key centre position has printing opacity bar hole, LED light on circuit board is corresponding with the printing opacity bar hole in each key centre position, each LED light all drops in the printing opacity bar hole in each key centre position, the root of electric piano keyboard is provided with a digital display module base plate, digital display module base plate is provided with the digital display module corresponding with each key on electric piano keyboard, described each digital display module is connected with circuit board, main frame is provided with in fender body, main frame respectively with circuit board, display screen is connected with audio amplifier, main frame is connected with the band numeral midi interface on fender body.
2. a kind of Intelligent electric piano practised as claimed in claim 1, it is characterized in that, described fender body is provided with input equipment interface, and input equipment interface is connected with the main frame in fender body.
3. a kind of Intelligent electric piano practised as claimed in claim 1, it is characterized in that, described display location is on fender body.
CN201520519896.4U 2015-07-17 2015-07-17 Intelligent fender of exercise usefulness Expired - Fee Related CN204834028U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520519896.4U CN204834028U (en) 2015-07-17 2015-07-17 Intelligent fender of exercise usefulness

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520519896.4U CN204834028U (en) 2015-07-17 2015-07-17 Intelligent fender of exercise usefulness

Publications (1)

Publication Number Publication Date
CN204834028U true CN204834028U (en) 2015-12-02

Family

ID=54691601

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520519896.4U Expired - Fee Related CN204834028U (en) 2015-07-17 2015-07-17 Intelligent fender of exercise usefulness

Country Status (1)

Country Link
CN (1) CN204834028U (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105913829A (en) * 2016-03-03 2016-08-31 小叶子(北京)科技有限公司 Piano and piano playing repeat system
CN106846941A (en) * 2017-02-21 2017-06-13 临沂大学 A kind of intelligent music tutoring system
CN107025901A (en) * 2017-04-05 2017-08-08 宁多夫(上海)教育科技有限公司 A kind of virtual piano
CN107068125A (en) * 2017-03-31 2017-08-18 北京小米移动软件有限公司 Musical instrument control method and device
CN107767849A (en) * 2017-11-16 2018-03-06 江门市星望教育科技有限公司 A kind of teaching electronic piano
CN109243247A (en) * 2018-11-29 2019-01-18 北京电影学院 A kind of music teaching Multi-functional exercising apparatus and training method
CN110111643A (en) * 2019-05-20 2019-08-09 平顶山学院 A kind of Piano Teaching fingering training device
CN111932982A (en) * 2020-08-06 2020-11-13 河南广播电视大学 Show light projection formula exercise fender
CN112331022A (en) * 2020-10-27 2021-02-05 郑州大学 Piano information processing method

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105913829A (en) * 2016-03-03 2016-08-31 小叶子(北京)科技有限公司 Piano and piano playing repeat system
CN106846941A (en) * 2017-02-21 2017-06-13 临沂大学 A kind of intelligent music tutoring system
CN107068125A (en) * 2017-03-31 2017-08-18 北京小米移动软件有限公司 Musical instrument control method and device
CN107025901A (en) * 2017-04-05 2017-08-08 宁多夫(上海)教育科技有限公司 A kind of virtual piano
CN107767849A (en) * 2017-11-16 2018-03-06 江门市星望教育科技有限公司 A kind of teaching electronic piano
CN109243247A (en) * 2018-11-29 2019-01-18 北京电影学院 A kind of music teaching Multi-functional exercising apparatus and training method
CN110111643A (en) * 2019-05-20 2019-08-09 平顶山学院 A kind of Piano Teaching fingering training device
CN111932982A (en) * 2020-08-06 2020-11-13 河南广播电视大学 Show light projection formula exercise fender
CN112331022A (en) * 2020-10-27 2021-02-05 郑州大学 Piano information processing method

Similar Documents

Publication Publication Date Title
CN204834028U (en) Intelligent fender of exercise usefulness
CN106991995B (en) Constant-name keyboard digital video-song musical instrument with stepless tone changing and key kneading and tone changing functions
CN106205280A (en) A kind of Interactive Dynamic colour shape meaning is released spectral method and is played teaching apparatus with musical instrument
US4321853A (en) Automatic ear training apparatus
CN108140369A (en) Music score, system and method
US9652994B1 (en) Piano learning guidance system
CN203325261U (en) Electronic music score
JPS61254991A (en) Electronic musical instrument
CN204732011U (en) A kind of smart electronics drum being convenient to practise
CN106981282A (en) A kind of piano performance key reminding method and system
CN204375397U (en) A kind of intelligent piano with auxiliary exercise function
CN109599008A (en) Musical instrument exercising auxiliary device
CN104200801A (en) Violin instrument
JP2001246155A (en) Device and method for musical game, and recording medium
CN100538560C (en) Electronic beat sound-calibrator and control method thereof
CN206516344U (en) The control device and system of fender
CN107067876B (en) Split type split type color grouping electronic music book controlled by organ sound and device
CN202871136U (en) Intelligent electronic keyboard
CN112908092A (en) Music teaching device and teaching method
CN108182928A (en) A kind of electronic organ plays prompt system and electronic organ
CN202339703U (en) Electronic organ with LCD (Liquid Crystal Display) playing guiding device
CN205609199U (en) Piano teaching board
CN113963601A (en) Rhythm video-song visualization method, system and device
CN111627409B (en) Teaching auxiliary system for piano playing
CN210515761U (en) Auxiliary device for practicing musical instrument

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151202

Termination date: 20190717