CN206460774U - A kind of multifunctional intellectual musical instrument - Google Patents
A kind of multifunctional intellectual musical instrument Download PDFInfo
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- CN206460774U CN206460774U CN201720160257.2U CN201720160257U CN206460774U CN 206460774 U CN206460774 U CN 206460774U CN 201720160257 U CN201720160257 U CN 201720160257U CN 206460774 U CN206460774 U CN 206460774U
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Abstract
The utility model discloses a kind of multifunctional intellectual musical instrument, including musical instrument body and terminal；Musical instrument body includes control board and audio amplifier, control board is provided with controller one, capacitive touch chip, touch-control matrix circuit, audio processing modules and bluetooth module, controller one is connected with capacitive touch chip, audio processing modules and bluetooth module respectively, touch-control matrix circuit is connected with capacitive touch chip, and audio amplifier is connected with audio processing modules；Musical instrument body is connected by bluetooth module with terminal wireless；Using the control board region provided with touch-control matrix circuit as Trackpad, Trackpad upper surface is printed on keys of musical instrument pattern, and Trackpad upper surface is provided with touch layer.The utility model, which provides scheme, realizes a variety of traditional instruments of simulation, improves musical instrument interesting.
Description
Technical field
The utility model is related to intelligent musical instrument technical field, more particularly to a kind of multifunctional intellectual musical instrument.
Background technology
Traditional instrument includes string pulling kind musical instrument, plays kind musical instrument, plays wind instruments kind musical instrument and hit kind musical instrument etc..People generally make
Expressed or rapped off with these traditional instruments emotion.But there are the following problems for these existing traditional instruments：Function is single, such as
Piano is only capable of using as piano, and guitar is only capable of using as guitar, so that it is dry as dust or even bored easily to produce user
Sensation.
Utility model content
In view of this, the utility model embodiment is expected to provide a kind of multifunctional intellectual musical instrument, happy to simulate a variety of tradition
Device, improves musical instrument interesting.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
The utility model discloses a kind of multifunctional intellectual musical instrument, including musical instrument body and terminal；The musical instrument body bag
Include control board and audio amplifier, the control board be provided with controller one, capacitive touch chip, touch-control matrix circuit,
Audio processing modules and bluetooth module, the controller one respectively with the capacitive touch chip, the audio processing modules
And the bluetooth module is connected, the touch-control matrix circuit is connected with the capacitive touch chip, the audio amplifier and the sound
Frequency processing module is connected；The musical instrument body is connected by the bluetooth module with the terminal wireless；The touch-control will be provided with
The control board region of matrix circuit is as Trackpad, and the Trackpad upper surface is printed on keys of musical instrument pattern, and described tactile
Control plate upper surface and be provided with touch layer.
Further, the musical instrument also includes the input unit that may be worn on finger；The input unit includes controller
2nd, attitude transducer and radio frequency module one, the controller two respectively with the attitude transducer and the radio frequency module
One connection；The control board is additionally provided with radio frequency module two, and the radio frequency module two is connected with the controller one；
The input unit passes through the radio frequency module one and the wireless connection of radio frequency module two with the musical instrument body.
Further, the musical instrument also includes blow gun；Controller three, gas pressure sensor are provided with the blow gun and is penetrated
Frequency RF modules three, the controller three is connected with the gas pressure sensor and the radio frequency module three respectively；The control
Circuit board processed is additionally provided with radio frequency module two, and the radio frequency module two is connected with the controller one；The blow gun and institute
State musical instrument body and pass through the radio frequency module three and the wireless connection of radio frequency module two.
Further, the control board is additionally provided with indicator lamp, and the indicator lamp is connected with the controller one.
Further, the audio processing modules include audio conversion module and power amplifier module；The audio conversion module point
It is not connected with the controller one and the power amplifier module, the power amplifier module is connected with the audio amplifier.
Further, the musical instrument body includes two audio amplifiers, and two audio amplifiers are separately positioned on the control electricity
The road plate left and right sides.
Further, the keys of musical instrument includes the main button of musical instrument, and the main button of musical instrument includes piano key and string.
Further, the keys of musical instrument also includes skill key, shift key and plays key.
Further, the control board is additionally provided with display screen, and the display screen is connected with the controller one.
Further, the touch layer is to be printed on the keys of musical instrument pattern on 3 D stereo film, the 3 D stereo film.
A kind of multifunctional intellectual musical instrument that the utility model embodiment is provided, including musical instrument body and terminal；Musical instrument body
Including control board and audio amplifier, control board is provided with controller one, capacitive touch chip, touch-control matrix circuit, sound
Frequency processing module and bluetooth module, controller one are connected with capacitive touch chip, audio processing modules and bluetooth module respectively,
Touch-control matrix circuit is connected with capacitive touch chip, and audio amplifier is connected with audio processing modules；Musical instrument body passes through bluetooth module
It is connected with terminal wireless；Using the control board region provided with touch-control matrix circuit as Trackpad, Trackpad upper surface is printed on
Keys of musical instrument pattern, and Trackpad upper surface is provided with touch layer.In this way, a variety of traditional instruments of simulation can be realized, musical instrument interest is improved
Taste, is easy to user to carry and use.
Brief description of the drawings
A kind of structural representation of the musical instrument body for multifunctional intellectual musical instrument that Fig. 1 provides for the utility model embodiment
One；
A kind of functional-block diagram for multifunctional intellectual musical instrument that Fig. 2 provides for the utility model embodiment；
A kind of structural representation of the musical instrument body for multifunctional intellectual musical instrument that Fig. 3 provides for the utility model embodiment
Two；
A kind of structural representation of the musical instrument body for multifunctional intellectual musical instrument that Fig. 4 provides for the utility model embodiment
Three；
A kind of structural representation of the musical instrument body for multifunctional intellectual musical instrument that Fig. 5 provides for the utility model embodiment
Four；
A kind of structural representation of the musical instrument body for multifunctional intellectual musical instrument that Fig. 6 provides for the utility model embodiment
Five；
A kind of structural representation of the musical instrument body for multifunctional intellectual musical instrument that Fig. 7 provides for the utility model embodiment
Six；
A kind of functional-block diagram of the input unit for multifunctional intellectual musical instrument that Fig. 8 provides for the utility model embodiment；
A kind of functional-block diagram of the blow gun for multifunctional intellectual musical instrument that Fig. 9 provides for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the utility model is further described.
A kind of structural representation of the musical instrument body for multifunctional intellectual musical instrument that Fig. 1 provides for the utility model embodiment
A kind of functional-block diagram for multifunctional intellectual musical instrument that one, Fig. 2 provide for the utility model embodiment, as shown in Figures 1 and 2,
The musical instrument includes musical instrument body 1 and terminal 2；Musical instrument body 1 includes control board 3 and audio amplifier 4, and control board 3 is set
There are controller 1, capacitive touch chip 302, touch-control matrix circuit 303, audio processing modules 304 and bluetooth module 305,
Controller 1 is connected with capacitive touch chip 302, audio processing modules 304 and bluetooth module 305 respectively, touch-control matrix
Circuit 303 is connected with capacitive touch chip 302, and audio amplifier 4 is connected with audio processing modules 304；Musical instrument body 1 passes through bluetooth mould
Block 305 and the wireless connection of terminal 2；Using the control board region provided with touch-control matrix circuit 303 as Trackpad, on Trackpad
Surface is printed on keys of musical instrument pattern, and Trackpad upper surface is provided with touch layer.
Specifically, as shown in figure 1, the musical instrument body 1 can include two audio amplifiers 4, two audio amplifiers 4 are separately positioned on control
The left and right sides of circuit board 3 processed.It is understood that application scenarios need in the case of, musical instrument body 1 or can include one
Individual audio amplifier 4, or more than two audio amplifiers 4 can be included.
Specifically, the controller 1 is microprocessor (Micro Processor Unit, MPU), or is numeral
Signal processor (Digital Signal Processor, DSP) etc..
Specifically, the capacitive touch chip 302 has close to inducing function, so that musical instrument body can be recognized
Go out whether user's finger has close to Trackpad；Capacitive touch chip 302 has pressing dynamics identification function, so that musical instrument
Body can identify that user's finger presses the dynamics of Trackpad, and such as when musical instrument body simulates piano, musical instrument body can be known
Do not go out the dynamics that user's finger presses piano key；Capacitive touch chip 302 also has multi-point touch function, so that happy
Device body can identify multi-point touch operation of the user's finger to Trackpad, such as when musical instrument body simulates piano, musical instrument sheet
Body can identify the piano key that synchronization user's finger is pressed.
Specifically, the touch-control matrix circuit 303 includes M X-direction circuit and N number of Y direction circuit, and M and N are whole
Number；The matrix circuit that M and N value can be connected according to capacitive touch chip is set；M X-direction circuit and N number of Y-axis
The respective pins connection of direction line and capacitive touch chip.
It should be noted that, in actual applications, the capacitive touch chip 302 can for IQS550, GSL1680 or
The chips such as GT5688.In actual applications, according to different design requirements, musical instrument body 1 can set different number of electric capacity
Formula touch chip 302, sets different number of touch-control matrix circuit 303 accordingly, so as to design various sizes of touch
Control plate.
For example, the capacitive touch chip 302 of the musical instrument body 1 uses IQS550 chips, and the chip can connect
It is that 15, M is ten that the touch-control matrix circuit connect is multiplied by ten rows, i.e. N for 15 row, and corresponding resolution ratio is multiplied by 1000 for 1500,
The level of musical instrument body 1 sets gradually three capacitive touch chips 302, then the touch-control matrix circuit of musical instrument body 1 is four
15 row are multiplied by ten rows, and corresponding resolution ratio is multiplied by 1000 for 4500.
Specifically, the keys of musical instrument includes the main button of musical instrument, and the main button of musical instrument includes piano key and string.Accordingly
Ground, as shown in figure 3, the Trackpad upper surface is printed on the black key 5 of piano and the pattern of white key 6 of piano, is pressed so as to simulate piano
Key；As shown in figure 4, Trackpad upper surface is also printed on the pattern of string 7, so as to simulate the string of Chinese zither, the string of violin, guitar
String etc.；Trackpad upper surface is also printed on the pattern of grade mark line 8 of guitar, so as to simulate the grade of guitar.Certainly, touch-control
Plate can also directly simulate a bulging drum surface, or Trackpad is divided into different zones according to the above-mentioned pattern being printed on, so that
The drum surface of different number drums is simulated, as shown in figure 5, Trackpad is divided into two regions in left and right, to simulate two bulging drum surfaces
9.Certainly, as shown in figure 5, Trackpad can also be divided into different zones by Trackpad according to the above-mentioned pattern being printed on, so as to simulate
The aperture blowing 10 of blowing instrument.
Further, the keys of musical instrument can also include skill key.Correspondingly, as shown in figure 1, the Trackpad upper surface
The pattern of skill key 11 is also printed on, four skill keys 11 are specifically printed on.Certainly, the number of the skill key 11 can be according to actual design
Demand is set, and can either be set five skill keys 11 or can be set three skill keys 11 etc..Specifically, can be with
The different technological informations of musical instrument body institute analog instruments are inputted by touching different skill keys 11, such as urheen, which quivers, bends skill, urheen
Ricochet skill, guitar sweeps string skill etc..The skill operation carried out so as to analog subscriber to traditional instrument.
Further, the keys of musical instrument can also include shift key.Specifically, the shift key be divided into the first shift key and
Second shift key.Correspondingly, as shown in figure 1, the Trackpad upper surface is also printed on the first shift key 12 and the second shift key 13
Pattern.It should be noted that, musical instrument body can not one to one simulation traditional instrument when, can be caused by shift key on Trackpad
The main button of musical instrument being printed on can simulate the different key strings of traditional instrument with timesharing；As shown in figure 3, being printed on ten on Trackpad
Piano black key 5 and 14 piano white keys 6, that is, be printed on two groups of piano keys, can be by first shift key 12 that horizontally slips, will
The key that this group of button is organized as piano difference, such as the key of piano small character group, the key of one group of small character, or piano small character
Two groups key, key of three groups of small character etc.；As shown in figure 4, six roots of sensation string 7 is printed on Trackpad, can be by sliding up and down
Second shift key 13, the string that this group of string is organized as Chinese zither difference, such as six roots of sensation string on Chinese zither or lower six roots of sensation string
Deng.So as to the key string of more preferable simulation traditional instrument.
Further, as shown in Figures 1 and 2, the control board 3 is additionally provided with display screen 306, display screen 306 and control
Device 1 processed is connected., can be with when changing the string key that the main button of musical instrument that is printed on is simulated on Trackpad by shift key
The affiliated group of string key that the main button of musical instrument is currently simulated is shown by display screen 306, such as piano is simulated in musical instrument body
When, display screen 306 shows small character group, one group of small character, i.e., the key that the main button of musical instrument is currently simulated is the qin of piano small character group
The key of key, one group of small character.So as to facilitate user to carry out music playing.
Further, the keys of musical instrument can also include playing key.Correspondingly, as shown in figure 4, the Trackpad upper surface
Also it is printed on and plays the pattern of key 14, is specifically printed on six and plays key 14.It should be noted that, as shown in figure 4, being printed on the six roots of sensation on Trackpad
String 7, stops operation in the simulation of user's left hand, and institute's opsition dependent close to string right-hand member when, due to the remaining space of string right-hand member
It is smaller, it is not easy to the simulation of user's right hand and plays the string, now can the string is corresponding to play key 14, imitating shell by touching
Dial the string.Consequently facilitating user plays string.
Specifically, the touch layer is to be printed on keys of musical instrument pattern on 3 D stereo film, 3 D stereo film.Specifically, such as
Shown in Fig. 6,3 D stereo film 15 is arranged on the upper surface of Trackpad 16.So that the keys of musical instrument pattern being printed on Trackpad
Display effect more three-dimensional, it is user-friendly.It should be noted that, the touch layer or can be overlay,
Or can also be transparency glass plate etc..
Further, as shown in Fig. 2 the control board 3 is additionally provided with indicator lamp 307, indicator lamp 307 and controller one
301 connections.Specifically, as shown in fig. 7, indicator lamp 307 is set respectively at crosspoint 17 that can be in figure, this is used in user
When the musical instrument that embodiment is provided carries out music playing so that musical instrument body can point out user current desired by indicator lamp
The key or string pressed.So that not understanding the user of musical instrument music theory, the musical instrument that the present embodiment can also be used to be provided enters
Row music playing.
Specifically, as shown in Fig. 2 the audio processing modules 304 include audio conversion module 308 and power amplifier module 309；
Audio conversion module 308 is connected with controller 1 and power amplifier module 309 respectively, and audio amplifier 4 is connected with power amplifier module 309.Its
In, digital audio file can be converted into analogue audio frequency file by audio conversion module 308.
Specifically, the terminal 2 can be mobile phone or tablet personal computer etc..Terminal 2 can show that instrument type sets interface,
User can be needed by the interface setting musical instrument body 1 simulate musical instrument, such as set instrument type as piano, guitar, violin,
Urheen, drum or flute etc..Terminal 2 can store melody file, and when user uses 1 playing music of musical instrument body, terminal 2 can be with
Corresponding melody file is sent to musical instrument body 1, the audio processing modules 304 of musical instrument body 1 are handled this document,
The audio amplifier 4 of musical instrument body 1 plays the file after the processing.
It should be noted that, the terminal 2 can be also used for simulating the bow of string pulling kind musical instrument.Specifically, three are provided with terminal 2
Axle gyroscope, the three-axis gyroscope can measure the angle value of terminal current pose, and different angle values can represent user's drawing
Different strings.So that the musical instrument that the present embodiment is provided can more preferable simulation string pulling kind musical instrument.
Further, as shown in figure 8, the multifunctional intellectual musical instrument can also include the input unit that may be worn on finger
18；Or the bow of the input unit 18 simulation string pulling kind musical instrument can be used.Specifically, the input unit 18 includes controller
2 1801, attitude transducer 1802 and radio frequency module 1, controller 2 1801 is respectively with attitude transducer 1802 and penetrating
Frequency RF modules 1 are connected；As shown in Fig. 2 control board 3 is additionally provided with radio frequency module 2 310, radio frequency module two
310 are connected with controller 1；Input unit 18 passes through radio frequency module 1 and radio frequency module two with musical instrument body 1
310 wireless connections.Specifically, the attitude transducer 1802 can measure the angle value of input unit current pose, different
Angle value can represent user and draw different strings.So that the musical instrument that the present embodiment is provided can more preferable simulation string pulling class
Musical instrument.
Specifically, the controller 2 1801 can be MPU or be DSP；The attitude transducer 1802 can be three
Axle gyroscope, or be nine axle MEMS (Micro-Electro-Mechanical System, microelectromechanical systems) sensings
Device, nine axle MEMS sensors include three-axis gyroscope, three axis accelerometer and three axle electronic compass.
Further, as shown in figure 9, the multifunctional intellectual musical instrument can also include blow gun 19；The blow gun can be used for mould
Intend traditional blowing instrument blow gun.Specifically, be provided with the blow gun 19 controller 3 1901, gas pressure sensor 1902 and
Radio frequency module 3 1903, controller 3 1901 is connected with gas pressure sensor 1902 and radio frequency module 3 1903 respectively；
As shown in Fig. 2 control board 3 is additionally provided with radio frequency module 2 310, radio frequency module 2 310 connects with controller 1
Connect；Blow gun 19 passes through radio frequency module 3 1903 and the wireless connection of radio frequency module 2 310 with musical instrument body 1.Specifically, it is described
Controller 3 1901 can be MPU or be DSP.Specifically, the controller 3 1901 of blow gun can be by the gas pressure of blow gun
Force snesor 1902 judges whether user has progress to play wind instruments operation.So that the musical instrument that the present embodiment is provided can be preferably
Kind musical instrument is played wind instruments in simulation.
The multifunctional intellectual musical instrument operation principle that the utility model embodiment is provided is as follows：
Terminal 2, for setting the instrument type for needing musical instrument body to simulate；It is additionally operable to send corresponding melody to musical instrument body
File；Or it is additionally operable to receive the string information of user's input.
The Trackpad 16 of musical instrument body, the touch operation for receiving user.The capacitive touch chip of musical instrument body
302, the touch location for determining touch operation.The controller 1 of musical instrument body, for determining user according to touch location
The playing information of input；Playing information can include the key string letter for the main key-press input of musical instrument that user passes through musical instrument body
Breath, user is by the technological information of skill key input, and user is passed through by changing the key string transitional information of key input, user
That plays key input plays information；It is additionally operable to send playing information to terminal by the bluetooth module of musical instrument body；Receiving terminal
The melody file of transmission, and the melody file is sent to the audio processing modules of musical instrument body.The audio frequency process of musical instrument body
Module 304, for the melody file to be converted into analog signal, is amplified to the analog signal, and by the simulation after amplification
Signal is transmitted to the audio amplifier of musical instrument body.The audio amplifier 4 of musical instrument body, for playing the analog signal after the amplification, that is, plays and uses
The melody that family is played.
The controller 1 of musical instrument body, can be also used for controlling indicator lamp corresponding to musical instrument body key or string
Light on and off.Allow user to press corresponding key according to the prompting of indicator lamp or play corresponding string, so that needed for completing it
Playing music.The display screen 306 of musical instrument body, for showing that the main button of musical instrument currently simulates string or the affiliated group of key.
Input unit 18, for receive user's input its draw string information, and the string information is sent to musical instrument
Body.Blow gun 19, for judging whether user has progress to play wind instruments operation, and will determine that result is sent to musical instrument body.
So as to realize the multifunctional intellectual musical instrument provided by the present embodiment, a variety of traditional instruments, such as piano, Ji are simulated
He, violin, urheen, drum or flute etc., it is interesting to improve musical instrument, is easy to user to carry and use.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations, and protection domain of the present utility model is with right
It is required that being defined.
Claims (10)
1. a kind of multifunctional intellectual musical instrument, it is characterised in that including musical instrument body and terminal；The musical instrument body includes control electricity
Road plate and audio amplifier, the control board are provided with controller one, capacitive touch chip, touch-control matrix circuit, audio frequency process
Module and bluetooth module, the controller one respectively with the capacitive touch chip, the audio processing modules and the indigo plant
Tooth module is connected, and the touch-control matrix circuit is connected with the capacitive touch chip, the audio amplifier and the audio frequency process mould
Block is connected；The musical instrument body is connected by the bluetooth module with the terminal wireless；The touch-control matrix circuit will be provided with
Control board region as Trackpad, the Trackpad upper surface is printed on keys of musical instrument pattern, and the Trackpad upper table
Face is provided with touch layer.
2. musical instrument according to claim 1, it is characterised in that the musical instrument also includes may be worn on the input dress on finger
Put；The input unit include controller two, attitude transducer and radio frequency module one, the controller two respectively with the appearance
State sensor and the radio frequency module one are connected；The control board is additionally provided with radio frequency module two, the radio frequency
Module two is connected with the controller one；The input unit and the musical instrument body pass through the radio frequency module one and described
The wireless connection of radio frequency module two.
3. musical instrument according to claim 1, it is characterised in that the musical instrument also includes blow gun；It is provided with the blow gun
Controller three, gas pressure sensor and radio frequency module three, the controller three respectively with the gas pressure sensor and
The radio frequency module three is connected；The control board is additionally provided with radio frequency module two, the radio frequency module two and institute
State the connection of controller one；The blow gun passes through the radio frequency module three and the nothing of radio frequency module two with the musical instrument body
Line is connected.
4. musical instrument according to claim 1, it is characterised in that the control board is additionally provided with indicator lamp, the finger
Show that lamp is connected with the controller one.
5. musical instrument according to claim 1, it is characterised in that the audio processing modules include audio conversion module and work(
Amplification module；The audio conversion module is connected with the controller one and the power amplifier module respectively, the audio amplifier and the work(
Amplification module is connected.
6. musical instrument according to claim 1, it is characterised in that the musical instrument body includes two audio amplifiers, two institutes
State audio amplifier and be separately positioned on the control board left and right sides.
7. musical instrument according to claim 1, it is characterised in that the keys of musical instrument includes the main button of musical instrument, the musical instrument
Main button includes piano key and string.
8. musical instrument according to claim 7, it is characterised in that the keys of musical instrument also includes skill key, shift key and bullet
Dial key.
9. musical instrument according to claim 1, it is characterised in that the control board is additionally provided with display screen, described aobvious
Display screen is connected with the controller one.
10. musical instrument according to claim 1, it is characterised in that the touch layer is 3 D stereo film, the 3 D stereo
The keys of musical instrument pattern is printed on film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720160257.2U CN206460774U (en) | 2017-02-22 | 2017-02-22 | A kind of multifunctional intellectual musical instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720160257.2U CN206460774U (en) | 2017-02-22 | 2017-02-22 | A kind of multifunctional intellectual musical instrument |
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| Publication Number | Publication Date |
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| CN206460774U true CN206460774U (en) | 2017-09-01 |
Family
ID=59690696
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| CN201720160257.2U Active CN206460774U (en) | 2017-02-22 | 2017-02-22 | A kind of multifunctional intellectual musical instrument |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109313884A (en) * | 2018-08-01 | 2019-02-05 | 深圳配天智能技术研究院有限公司 | The analog machine of plucked instrument |
| CN111128098A (en) * | 2019-12-30 | 2020-05-08 | 休止符科技深圳有限公司 | Hand-wearing type intelligent musical instrument and playing method thereof |
| CN111739484A (en) * | 2020-07-23 | 2020-10-02 | 广州羽角乐器有限公司 | Freely assembled zither |
| CN114035696A (en) * | 2021-11-16 | 2022-02-11 | 汇顶科技(成都)有限责任公司 | Touch detection method, touch pad and electronic equipment |
-
2017
- 2017-02-22 CN CN201720160257.2U patent/CN206460774U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109313884A (en) * | 2018-08-01 | 2019-02-05 | 深圳配天智能技术研究院有限公司 | The analog machine of plucked instrument |
| CN111128098A (en) * | 2019-12-30 | 2020-05-08 | 休止符科技深圳有限公司 | Hand-wearing type intelligent musical instrument and playing method thereof |
| CN111739484A (en) * | 2020-07-23 | 2020-10-02 | 广州羽角乐器有限公司 | Freely assembled zither |
| CN114035696A (en) * | 2021-11-16 | 2022-02-11 | 汇顶科技(成都)有限责任公司 | Touch detection method, touch pad and electronic equipment |
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