CN203721066U - Keyboard musical instrument auxiliary teaching aid - Google Patents
Keyboard musical instrument auxiliary teaching aid Download PDFInfo
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- CN203721066U CN203721066U CN201420094110.4U CN201420094110U CN203721066U CN 203721066 U CN203721066 U CN 203721066U CN 201420094110 U CN201420094110 U CN 201420094110U CN 203721066 U CN203721066 U CN 203721066U
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Abstract
The utility model belongs to the music teaching equipment technical field, and specially refers to a keyboard musical instrument auxiliary teaching aid comprising a long strip electronic music score display formed by a plurality of assemblies and a control assembly; each assembly comprises an electronic music score display and a key detection module used for detecting key motion states; mutually connected plug pieces are arranged on two sides of each assembly; the length of the assembled display is consistent with that of a music instrument key area; the display is placed in a root portion of the key and close to a key body portion; the control assembly comprises a main control system, a man-machine talk system formed by an LCD unit and a function selection key, an external storage system and a power supply system; the key detection module is arranged on a lower position on a backside of the electronic music score display, and close to an upper portion of the keys; an early learner using the teaching aid needs not to move eyes and only needs to pay attention to the key portion, and the early learner can fast play music with right rhythms, thereby greatly improving learning interest of the early learner.
Description
Technical field
The utility model belongs to instruments used for education manufacturing technology field, particularly the keyboard kind musical instrument such as piano, mellotron electronic instruction apparatus field.
Background technology
Music is the fine product of inner world, and it directes reach soul, and the emotion that bursts out makes people obtain the spiritual enjoyment that other things cannot bring.Along with improving constantly of people's living standard, people are also more and more higher to the demand of music.
Piano, mellotron, keyboard kind musical instrument, also entered into common people house, but want the song that uses these instrument playings beautiful, is not but a nothing the matter; Existing teaching, is all based upon on music theory knowledge and staff, and beginner is not easy introduction, and a lot of people have learned half a day, and a first song can bullet yet, will soon lose interest and the confidence of study.Know that interest is the best teacher of study, finally the ornaments of these musical instruments in just getting married.
The topmost problem that beginner faces is:
1, the obstacle of music score and music theory knowledge; Do not pass through the people of professional training, major part does not all have the identification of spectrogram ability of staff;
2, beginner's hand and eye can not well coordinate, and due to not through training, finger can not be played key fast, skillfully, accurately, and does not know that this points to play with that; Due to unskilled, in the time playing, see music score, just can not look after finger tapping key; Pay close attention to finger tapping key, just can not see the situation of music score; Especially as some person in middle and old age beginners or some amateurs, above situation is the most outstanding.
On market, also there is now a kind of aided education device of piano, notebook computer or panel computer are placed on piano music stand, show music score, the LED lamp of 2 different colours is also installed on each key, point out this bullet that key with light on and off, use the LED lamp of different colours to distinguish right-hand man.Gather the displacement of piano key by the range sensor being arranged on each key, and these displacement informations are uploaded to computing machine or panel computer, judge correcting errors of playing.This equipment has adopted the technology of two utility model patent propositions and has designed, and these two utility model patents are:
1, Piano Teaching servicing unit, application number: 201220127587.9;
2, the intelligent piano teaching device based on range sensor, application number: 201320353453.3.
There is following shortcoming with this aided education device of above-mentioned two Patent designs:
1. can only simply point out, not solve beginner's identification of spectrogram obstacle.
In this device, LED lamp on key seems the problem that can know pitch position on key of composing of failing to see that solved, but in melody, comprise dissimilar data message, such as pitch, the duration of a sound, rhythm, beat, also has playing technique etc., only, by those two the LED lamps on key, can not give the correct prompting of beginner.This mode can not well guide beginner to learn.LED lamp on key cannot effectively convert the information comprising in music score to instructional clues.Because the switch of single led lamp can only represent 2 data volumes, and the data message comprising in music score is very many, only depends on 2 data volumes effectively not point out.So his this mode does not well solve beginner's music score cognitive disorders.
2. prompting surge time is not provided.
Existing this equipment is by 88 key designs of piano, and that just has 88 groups of LED lamps, and melody is that many pitches organize together by certain way.In the time that beginner plays the musical instrument according to the LED light of existing equipment, will produce and can not find in time the problem of next pitch at which.And there is no surge time, and just need beginner in 88 keys, ceaselessly to look for the accurate location of next sound, this has just brought very large difficulty to beginner.Just because of do not offer the surge time of beginner's prompting, find in key mapping so beginner will be placed on whole notices, and do not have energy to remove to see music score.Therefore say that this equipment not can solve the trick matching problem that beginner faces.
3. there is no fingering prompt facility.
Fingering is very important for piano performance, and in the process of playing, beginner does not often know this with which finger is played, and existing this equipment does not have fingering prompt facility.
4. can not well impel beginner's bullet to pitch.
Existing this equipment judges by range sensor correcting errors that beginner plays, and this is just to one of the beginner prompting of correcting errors, and in the time of appearance mistake, the mistake that it can not correct beginner, and guide beginner then to make correct playing.
5. this equipment is poor for keyboard kind musical instrument versatility.
This equipment is that the piano of pressing 88 keys designs, and can only be used for piano.And other keyboard kind musical instruments such as similar 61 bonding electron qins, 54 bonding electron qins can not use.
6. must rely on host computer (computer or panel computer) and use, globality is poor.
Existing this equipment, can not independently use, and must rely on host computer could work, and so in use can produce very large inconvenience.If there is no computer, in order to use it, also purchase again a computer, if existing computer need to do other work, that this equipment just can not use.So existing this equipment is strong to host computer dependence, globality is poor.
7. portable poor.
Existing this equipment, presses 88 key piano designs, and piano keypad standard length is 137cm, and this equipment also has 137cm left and right, in mobile process, and meeting inconvenience very.And want use, also bring again a computer.So just greatly reduce portable performance.
8. energy consumption is high.
1) to use existing equipment, just must open computer or panel computer, can increase so a large amount of power consumptions, cause unnecessary waste.
2) existing equipment is by being arranged on the displacement of the range sensor collection key on each key, 88 keys just must be installed 88 range sensors, this mode itself is exactly a kind of waste, and this range sensor is made up of jointly a radiated element and a receiving element, in the time carrying out key detection, the radiated element of 88 range sensors must be opened, power consumption can be increased considerably like this.
Summary of the invention
The utility model object is to provide a kind of keyboard kind musical instrument aided education device, to reach:
1) music score, fingering are converted to more visual and understandable electronics light music score, solve beginner's identification of spectrogram obstacle.
2) solve prior art and can not effectively meet the trick matching problem that beginner faces.
3) provide multiple exercise mode, realize teaching purpose.
4) solve the problem that prior art can not work alone, globality is poor.
5) solve the poor problem of prior art versatility.
6) solve the portable poor problem of prior art.
7) solve the high problem of prior art energy consumption.
8) provide that a kind of instructional function is complete, really effective, easy and simple to handle, portable, the aided education device of environmental protection, low-power consumption.
Technical scheme: keyboard kind musical instrument aided education device, strip electronic music display screen and Control Component that it is combined by multicompartment form, the each assembly of described display screen includes electronic music display screen and for surveying the key detecting module of key operating state, each assembly left and right sides is shaped with interconnected connector, and the display screen length after multicompartment combination is consistent with musical instrument key section length, be placed on the root of key, near the position of body; Control Component is built-in with interactive system, external storage system, the electric power system that master control system, liquid crystal display and function selection key form, and the part electronic music display screen in corresponding key district and key detecting module; Key detecting module is arranged on the lower position at the electronic music display screen back side, near the top of key.
Described electronic music display screen has a row dual-colored LED light emitting diode above each key, in each row, comprise multiple dual-colored LED light emitting diodes, and on the top of this row dual-colored LED light emitting diode, be arranged with 5 monochromatic LED light emitting diodes by the orientation of 5 fingers.
Described key detection system is made up of infrarede emitting diode, light-strip, infrared receiving diode, simulating signal control circuit, light-strip is that optical material is not being needed to the surface coverage reflecting coating of printing opacity, on light-strip, need the reservation photic zone, place of printing opacity, increase dentation line in bottom surface, light-strip photic zone, infrarede emitting diode is positioned on light-strip and provides light source for light-strip, by the guiding of light-strip, survey stable luminous environment is provided for key, each key top is provided with infrared receiving diode and gathers the variation of the infrared light in key region, and the power of this light is changed to the analog signals that converts change in voltage to, the AD A/D conversion system of these signals being sent into master control system by simulating signal control circuit carries out software analysis, be used for judging whether key is played.
Described master control system is to be mainly made up of MCU micro controller unit, and major function is according to all devices in this device of system program control; Interactive system is made up of jointly liquid crystal display and function selection key, and major function is, according to function selection key feedack, to understand user's intention, and system information is informed to user by liquid crystal display; Master control system connects DATA CON, MOSI, SCLK, the CS interface of liquid crystal display, for controlling and sending data to liquid crystal display.Utilize one group of 8 IO mouth of micro controller unit to connect button composition function selection key; Storage system is selected exterior storage, for example common SD card memory, and master control system is connected with SD card by SPI communication interface, the data in read memory; Electronic music display screen system is to be made up of row control chip, row control chip, triode, monochromatic LED lamp, dual-colored LED lamp.Master control system connects row control chip and row control chip by IO port, by controlling row control chip and row control chip, realizes the light on and off of controlling LED lamp; Key analytic system is made up of resistance, infrared receiving diode, infrarede emitting diode, analog switch chip, triode.Master control system is connected with analog switch chip by IO port, by control simulation switch chip, can select any road infrared receiving diode, and simulating signal is sent into master control system; Electric power system is made up of battery and voltage stabilizing chip, and major function is to provide power supply to whole system.
Described electronic music display screen can adopt LCDs or electronic ink screen to replace LED display.
The beneficial effects of the utility model:
1) electronic music display screen has been removed the identification of spectrogram obstacle of beginner for music score completely.
2) this structure of directly placing electronic music display screen on key, solve the matching problem of beginner's hand and eye completely, beginner need not shift sight, only need to pay close attention to key position, just can make beginner play out fast the melody of correct rhythm, improve greatly beginner's learning interest.
3) adopt electronic music to show and this combination of key detecting function, pass through master control system, multiple mode of learning including free schema, exercise mode, paragraph repeat exercise mode, left hand exercise mode, right hand exercise mode, right-hand man's while exercise mode just can be provided, convenient beginner's study, has realized teaching purpose.
4) this device adopts modular design, simple in structure, combined and instant, by the combination of module, the switching that can realize between the keyboard kind musical instrument such as piano, mellotron is used, and improved greatly versatility and portability, and main modular can be reused, user is in the time changing musical instrument, only need to change one or two module in this device and just can continue to use, reduced user's expenditure, reduced the waste bringing to society because of duplication of production.
5) this device good integrity, does not need to depend on other equipment and just can work alone.
6) in this device, do not have directly to use common LED to shield as electronic music display screen, but creationary simplification, retain electronic music and show necessary LED light emitting diode, remaining LED light emitting diode all saves, in the situation that not affecting Presentation Function, reduce the unnecessary wasting of resources.
7) key is surveyed and need to, with secondary light source for key identification provides a stable luminous environment, if light source emitter part is installed on each key, will be brought serious burden to system power dissipation, must greatly shorten system effective working time.This device utilizes light-strip, by limited light source, reasonably be dispersed on each key, can provide a stable luminous environment for key identification, so just need on each key, ballistic device be installed, only the several ballistic devices of needs just can meet the needs of system, have reduced greatly the power consumption of system, ensure again the needs that key is surveyed, and extended the time of system operation.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model electronic music display screen Local map.
Fig. 3 is the utility model key detecting module structural representation.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is the utility model system chart.
Fig. 6 is for realizing a kind of circuit theory diagrams of the present utility model.
Figure number explanation:
The white key of 1-1 piano, 1-2 piano black key, 1-3D assembly, 1-4B assembly, 1-5 exterior storage SD card, the excuse of 1-6 exterior storage, 1-7 find pleasure in general display screen, 1-13 support, 1-14 key detecting module, 1-15 support, 1-16E assembly, 1-17F assembly, 1-18 Tenon for your selection key, 1-8A assembly, 1-9 liquid crystal display, the excuse of 1-10 power supply, 1-11C assembly, 1-12 electronics and press plug-in unit, 1-19 battery.
2-1 fingering shows last LED in first LED, 2-3 mono-row in LED, 2-2 mono-row.
3-3 leaded light dentation line, 3-4 infrarede emitting diode, 3-5 light-strip photic zone, 3-6 light-strip, the anti-bar light of 3-7 leaded light coating, 3-8 infrared receiving diode.
Embodiment
As shown in Figure 1, realizing aided education device of the present utility model is a strip electronic music display screen 1-12 who is combined by multicompartment, display screen length after combination is consistent with musical instrument key section length, can be placed on the root of key, near the position of body, support and lay with support 1-13, the dead ahead that makes electronic music display screen is player's direction.On electronic music display screen, can show the luminous point symbolic information of electronic music, for prompting operation person.This structure and use-pattern can be by electronic music display screen and keys, are placed in same visual zone, and beginner does not need to divert sb.'s attention, and just can obtain music-book information, well solved beginner's trick matching problem.
Electronic music display screen 1-12 is not an overall device, but combined by connector 1-18 by multiple strip electronic music display screen components.Assembly comprises A assembly 1-8, B assembly 1-4, C assembly 1-11, D assembly 1-3, E assembly 1-16, F assembly 1-17.Wherein A assembly 1-8 is the core control component of this device, assembly is built-in master control system, interactive system (liquid crystal display 1-9, function selection key 1-7), external storage system 1-5, electric power system 1-10, also have A assembly part electronic music display screen and the key detecting module 1-14 in corresponding key district; And other assemblies only comprised they part electronic music display screen and the key detecting module in corresponding key district.Wherein when A assembly, B assembly, F assembly together time, just can be given 54 keys, the keyboard kind musical instrument use of standard key by connector combination.For example: 54 bonding electron qins.In the time that A assembly, B assembly, E assembly are combined, just can give 61 keys, the keyboard kind musical instrument of standard key uses.For example: 61 strong mellotrons.In the time that A assembly, B assembly, C assembly, D assembly are combined, just can give 88 keys, the keyboard kind musical instrument of standard key uses.For example: piano, fender etc.This device has solved by the mode of parts assembling, and the versatility problem between different keyboard kind musical instruments has improved the portability of this device simultaneously.
As shown in Figure 2, this electronic music display screen is the LED screen through special transformation, different with existing LED screen, the LED light emitting diode on this music score display screen be not close-packed arrays together; Only above each key, there is a row dual-colored LED light emitting diode 2-3 to 2-3, in each row, comprise multiple dual-colored LED light emitting diodes, and on the top of this row dual-colored LED light emitting diode, be arranged with 5 monochromatic LED light emitting diodes by the orientation of 5 fingers and show LED2-1 as fingering; Remaining place of screen does not have LED lamp.
The corresponding row dual-colored LED light emitting diode of pitch information in music score, pitch lights since first LED2-2 light emitting diode listing, according to the broadcasting speed of melody, light moves down, in the time moving to last column, the namely place of close key is exactly the key that prompting operation person need to press prompting now.Pitch in melody shows from top to bottom, falls on key, just needs the regular hour, and the length of time is determined by the quantity of the LED light emitting diode in every row; Had this time period, where operator just can know next pitch in advance, the time that a buffering is provided and prepares to operator; LED light emitting diode number in each row should not also should not very little, be wasted too much too much, and surge time is too short very little.
In each row, a bright lamp just represents duration of these pitch needs, in the time of continuous bright 3 lamps, just represents 3 durations of these pitch needs, like this, just can show the duration of a sound and rhythm by the mode of continuous bright light.
By controlling the brightness of LED light emitting diode of pitch prompting, can show the strong or weak relation of sound.
Each dual-colored LED light emitting diode, can have four kinds of states, for example: bluish-green dual-colored LED light emitting diode, a kind of state is blue, can represent harmony prompting, needs left hand to play; A kind of state is green, can represent melody prompting, needs the right hand to play; One is entirely to go out, and can represent rest; One is while opening, according to the mixing rule of coloured light, just to there will be cyan when bluish-green simultaneously, and just representative need to be played continuously.Just can be by the theme in music score, harmony, rest, double hit Informational Expression out by these four kinds of states.
When each pitch prompting moves to last column, the i.e. place of close key, master control system, according to the fingering information in electronic music, is opened on each row dual-colored LED light emitting diode, the monochromatic LED light emitting diode of arranging by 5 finger orientation, gives beginner a fingering prompting.This electronic music display screen shows the main informations such as the pitch comprising in music score, the duration of a sound, rhythm, beat, theme, harmony, double hit, fingering by light signal.This light signal is very directly perceived and understandable, has formed a kind of perfect electronic music display system, has solved beginner's identification of spectrogram obstacle, has improved prompting efficiency, and it has increased surge time and fingering prompting.
As shown in Figure 3,4, at the lower position at the electronic music display screen back side of this device all component, near the top of key, key detecting module 1-14 is installed, for surveying key operating state.
Key detection system is made up of infrarede emitting diode 3-4, light-strip 3-6, infrared receiving diode 3-8, simulating signal control circuit.
Optical material is processed into the shape needing by light-strip 3-6, not needing the surface coverage reflecting coating 3-7 of printing opacity, increases reflectivity.On light-strip, need reservation photic zone, the place 3-5 of printing opacity, increase dentation line 3-3 in bottom surface, light-strip photic zone, utilize optical material (for example: PS polystyrene PC polycarbonate PMMA poly-methyl methacrylate have another name called acrylic, organic glass) high reflectivity and the characteristic of extinction not, the light that reflection sends from light source, in the time that light is mapped to the dentation line of bottom surface, light-strip photic zone, reflected light can spread in all angles, then destroy conditioned reflex, penetrated the place that guiding needs by light-strip photic zone; Only need to adjust the quantity of dentation line and the size of adjustment light-strip photic zone, just can well guide limited light source.With there being two infrarede emitting diodes that light source is provided on each assembly, survey stable luminous environment is provided for key.
The infrared receiving diode of installing by each key top, gather the variation of the infrared light in key region, and the power of this light is changed to the analog signals that converts change in voltage to, the AD A/D conversion system of these signals being sent into master control system by simulating signal control circuit carries out software analysis, is used for judging whether key (comprising Bai Jian 1-1 and black key 1-2) is played.This mode, need to be on each key mounting distance sensor or optoelectronic switch, only need a light-strip and infrared receiving diode just can realize work, cut the waste, and reduced energy consumption greatly.
This device circuit is made up of jointly master control system, interactive system, storage system, electronic music display screen system, key analytic system, electric power system, as shown in Figure 5,6.Master control system is to be mainly made up of MCU micro controller unit, and major function is according to all devices in this device of system program control.
Interactive system is made up of jointly liquid crystal display and function selection key, and major function is, according to function selection key feedack, to understand user's intention, and system information is informed to user by liquid crystal display.Master control system connects DATA CON, MOSI, SCLK, the CS interface of liquid crystal display, for controlling and sending data to liquid crystal display.Utilize one group of 8 IO mouth of micro controller unit to connect button composition function selection key.Storage system is selected exterior storage, for example common SD card memory, and master control system is connected with SD card by SPI communication interface, the data in read memory.
Electronic music display screen system is to be made up of row control chip, row control chip, triode, monochromatic LED lamp, dual-colored LED lamp.Master control system connects row control chip and row control chip by IO port, by controlling row control chip and row control chip, realizes the light on and off of controlling LED lamp.
Key analytic system is made up of resistance, infrared receiving diode, infrarede emitting diode, analog switch chip, triode.Master control system is connected with analog switch chip by IO port, by control simulation switch chip, can select any road infrared receiving diode, and simulating signal is sent into master control system.
Electric power system is made up of battery and voltage stabilizing chip, and major function is to provide power supply to whole system.
Above-mentioned teaching appliance body implementation process:
1), by music score or MIDI file, together convert a kind of electronic music file that can be decoded by this device to together with the fingering information of each pitch.
2) the electronic music file of having changed is saved in the memory device such as SD card or TF card, USB flash disk.Memory device is connected on this device.
3) by the interactive system on this device, facility information is fed back on the liquid crystal display in this device.
4) master control system of this device, by interactive system, makes master control system understand user's intention, changes the broadcast state of melody or the selection of melody song according to user's intention.
5) according to user's selection by the electronic music information of having changed in memory device, the LED screen (electronic music display screen) of the special transformation of a kind of process by being erected at key top shows.
6) for beginner, the skill level of different people, this device provides multiple teaching pattern according to user's selection, and free schema, exercise mode, left hand exercise mode, right hand exercise mode, right-hand man simultaneously exercise mode, paragraph repeat exercise mode.
Liberty pattern, after being exactly the selected good song of operator, master control system by electronic music display screen, moves down demonstration by the electronic music of song.Any response is done in the action of operator not being played to key in the process of playing, only according to selected broadcasting speed by complete electronic music finishing playing.This pattern, mainly for more skilled operator, is only given prompting of operator, and remaining freely brings into play performance by operator, does not interfere midway.
So-called exercise mode, mainly for the beginner of firm left-hand seat, when electronic music starts to play, each pitch is fallen the place of close key, when namely needing to play, master control system is opened key detection system, whether master control system analysis operation person has correctly played that pitch, if do not had, electronic music keeps current demonstration, stop moving down demonstration, what wait operator was correct plays this pitch; When operator has correctly played this pitch, electronic music continues to move down demonstration.
So-called left-handed mode is exactly the harmony information indicating that only shows melody on electronic music display screen, the harmony part of the exercise melody that user can be independent.
So-called right-handed mode is exactly the melodic information prompting that only shows melody on electronic music display screen, the melody part of the exercise melody that user can be independent.
So-called right-hand man simultaneously exercise mode is exactly to open melody and the harmony information indicating of melody simultaneously, and person easy to use practises both hands and plays.
It is exactly optional any a section in melody that so-called paragraph repeats exercise mode, repeats to show that section of music-book information point out on electronic music display screen, and person easy to use, for a certain section of unskilled melody, repeats.
Claims (5)
1. keyboard kind musical instrument aided education device, strip electronic music display screen and Control Component that its feature is combined by multicompartment form, the each assembly of described display screen includes electronic music display screen and for surveying the key detecting module of key operating state, each assembly left and right sides is shaped with interconnected connector, and the display screen length after multicompartment combination is consistent with musical instrument key section length, be placed on the root of key, near the position of body; Control Component is built-in with interactive system, external storage system, the electric power system that master control system, liquid crystal display and function selection key form, and the part electronic music display screen in corresponding key district and key detecting module; Key detecting module is arranged on the lower position at the electronic music display screen back side, near the top of key.
2. keyboard kind musical instrument aided education device according to claim 1, it is characterized in that described electronic music display screen has a row dual-colored LED light emitting diode above each key, in each row, comprise multiple dual-colored LED light emitting diodes, and on the top of this row dual-colored LED light emitting diode, be arranged with 5 monochromatic LED light emitting diodes by the orientation of 5 fingers.
3. keyboard kind musical instrument aided education device according to claim 1, is characterized in that described key detection system is made up of infrarede emitting diode, light-strip, infrared receiving diode, simulating signal control circuit, light-strip is that optical material is not being needed to the surface coverage reflecting coating of printing opacity, on light-strip, need the reservation photic zone, place of printing opacity, increase dentation line in bottom surface, light-strip photic zone, infrarede emitting diode is positioned on light-strip and provides light source for light-strip, by the guiding of light-strip, survey stable luminous environment is provided for key, each key top is provided with infrared receiving diode and gathers the variation of the infrared light in key region, and the power of this light is changed to the analog signals that converts change in voltage to, the AD A/D conversion system of these signals being sent into master control system by simulating signal control circuit carries out software analysis, be used for judging whether key is played.
4. keyboard kind musical instrument aided education device according to claim 1, is characterized in that described master control system is to be mainly made up of MCU micro controller unit, and major function is according to all devices in this device of system program control; Interactive system is made up of jointly liquid crystal display and function selection key, and major function is, according to function selection key feedack, to understand user's intention, and system information is informed to user by liquid crystal display; Master control system connects DATA CON, MOSI, SCLK, the CS interface of liquid crystal display, for controlling and sending data to liquid crystal display.Utilize one group of 8 IO mouth of micro controller unit to connect button composition function selection key; Storage system is selected exterior storage, for example common SD card memory, and master control system is connected with SD card by SPI communication interface, the data in read memory; Electronic music display screen system is to be made up of row control chip, row control chip, triode, monochromatic LED lamp, dual-colored LED lamp.Master control system connects row control chip and row control chip by IO port, by controlling row control chip and row control chip, realizes the light on and off of controlling LED lamp; Key analytic system is made up of resistance, infrared receiving diode, infrarede emitting diode, analog switch chip, triode.Master control system is connected with analog switch chip by IO port, by control simulation switch chip, can select any road infrared receiving diode, and simulating signal is sent into master control system; Electric power system is made up of battery and voltage stabilizing chip, and major function is to provide power supply to whole system.
5. keyboard kind musical instrument aided education device according to claim 1 and 2, is characterized in that described electronic music display screen can adopt LCDs or electronic ink screen to replace LED display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420094110.4U CN203721066U (en) | 2014-03-03 | 2014-03-03 | Keyboard musical instrument auxiliary teaching aid |
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| CN201420094110.4U CN203721066U (en) | 2014-03-03 | 2014-03-03 | Keyboard musical instrument auxiliary teaching aid |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105096690A (en) * | 2015-09-06 | 2015-11-25 | 广东小天才科技有限公司 | Method and device for playing piano pieces |
| CN105243920A (en) * | 2015-10-30 | 2016-01-13 | 广州乐弥信息科技有限公司 | Keyboard musical instrument playing guidance system and teaching method |
| CN105427707A (en) * | 2016-01-07 | 2016-03-23 | 中国人民解放军装甲兵工程学院 | Musical instrument studying assisting system based on LED prompt |
| CN106098034A (en) * | 2016-07-29 | 2016-11-09 | 福建珠江埃诺教育管理有限公司 | Piano intelligence key shelves device of pressing |
| CN107067876A (en) * | 2016-12-23 | 2017-08-18 | 广州丰谱信息技术有限公司 | The Spliced type colour packet electronic music and device of a kind of sound of musical instrument control split |
| CN114566078A (en) * | 2022-03-11 | 2022-05-31 | 牡丹江师范学院 | Teaching aid convenient for music teaching and teaching method thereof |
-
2014
- 2014-03-03 CN CN201420094110.4U patent/CN203721066U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105096690A (en) * | 2015-09-06 | 2015-11-25 | 广东小天才科技有限公司 | Method and device for playing piano pieces |
| CN105243920A (en) * | 2015-10-30 | 2016-01-13 | 广州乐弥信息科技有限公司 | Keyboard musical instrument playing guidance system and teaching method |
| CN105427707A (en) * | 2016-01-07 | 2016-03-23 | 中国人民解放军装甲兵工程学院 | Musical instrument studying assisting system based on LED prompt |
| CN106098034A (en) * | 2016-07-29 | 2016-11-09 | 福建珠江埃诺教育管理有限公司 | Piano intelligence key shelves device of pressing |
| CN107067876A (en) * | 2016-12-23 | 2017-08-18 | 广州丰谱信息技术有限公司 | The Spliced type colour packet electronic music and device of a kind of sound of musical instrument control split |
| CN107067876B (en) * | 2016-12-23 | 2020-07-14 | 广州丰谱信息技术有限公司 | Split type split type color grouping electronic music book controlled by organ sound and device |
| CN114566078A (en) * | 2022-03-11 | 2022-05-31 | 牡丹江师范学院 | Teaching aid convenient for music teaching and teaching method thereof |
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