CN206039957U - Projection piano guides system - Google Patents
Projection piano guides system Download PDFInfo
- Publication number
- CN206039957U CN206039957U CN201620748467.9U CN201620748467U CN206039957U CN 206039957 U CN206039957 U CN 206039957U CN 201620748467 U CN201620748467 U CN 201620748467U CN 206039957 U CN206039957 U CN 206039957U
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- Prior art keywords
- piano
- projection
- projector
- guidance system
- communication module
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- 238000004364 calculation method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000013497 data interchange Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- 239000008280 blood Substances 0.000 description 1
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- 230000033764 rhythmic process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model provides a projection piano guides system, be used for guiding the piano key, at least, including camera of projection (1) and fixing device (2), camera of projection (1) is fixed on piano (3) through fixing device (2), camera of projection (1) is including a central processing unit (11), photo genesis ware (12), memory (13), short range communication module (14), photo genesis ware (12) is connected in a central processing unit (11), memory (13) and short range communication module (14), under a work state, the projection area of camera of projection (1) suits with the total length of piano key (31), camera of projection (1) will become the projection of shadow image information on piano key (31). The utility model discloses a show into the shadow image on the piano key, make the person of playing according to the performance of guiding the system implementation piano. Play and guide ware convenient to use, easy operation, can bring the person of playing good assist effect, have high commercial value.
Description
Technical field
This utility model is related to projection field, especially a kind of projection piano director, in particular it relates to a kind of projection
Formula piano guidance system and control method.
Background technology
Projector be it is a kind of can by the equipment on image or VIDEO PROJECTION to curtain, can by different interfaces with count
Calculation machine, VCD, DVD, BD, game machine, DV etc. are connected and play corresponding video signal.Projector is widely used in family, office
Room, school and public place of entertainment, it is different according to working method, there are the different types such as CRT, LCD, DLP.
The image-forming principle of projector has been divided into following several, respectively tri- rifles of CRT projection for currently available technology
Instrument, LCD projector, DLP projector, laser projection etc., what is be most widely used in existing market is LCD projector.
And piano is a kind of keyboard instrument from western classical music.By 88 keys (52 white keys, 36 black keys)
Constitute with metallic cord soundboard.Range scope is wide, from A2 (27.5Hz) to c5 (4186Hz), almost includes complete in Musical System
Portion's musical sound.
Piano is commonly used to the performance such as solo, ensemble, accompaniment, and composition and music of rehearsing are very convenient.Player is by pressing
Key on lower keyboard, affects the gavel that enclose carpet inside piano, taps then steel wire string and sends sound.
In current prior art, often through the modes such as laser by music score or note be projected in piano key or
Blank space, but as laser easily hinders eye and cost of manufacture is more expensive, can not bring player it is good play experience, and in bullet
When playing, in addition it is also necessary to which music score or note are thought deeply, it is adapted to those players for having certain understanding to staff.
And under existing conditions, a people for just having contacted piano is cannot not to be instructed by other people and directly be started
Piano, need first to learn staff, be familiar with how playing etc., process is sufficiently complex, and one kind being capable of root
The prompting beaten on piano according to projector is so as to directly carrying out a kind of projection piano guidance system of piano performance and corresponding
Ground control method.
Utility model content
For in prior art, one kind does not play guidance system, a kind of projection piano guidance system, for piano
Key is guided, and at least including projector 1 and fixing device 2, the projector 1 is detachable by the fixing device 2
It is fixed on the piano 3, wherein,
The projector 1 includes CPU 11, photogenerator 12, memorizer 13, and near-field communication module 14 is described
CPU 11 connects the photogenerator 12, the memorizer 13 and near-field communication module 14, wherein,
Under in working order, the drop shadow spread of the projector 1 is adapted with the total length of piano key 31, the projection
Device 1 will be into shadow visual information projection on piano key 31.
Preferably, also including an intelligent terminal 4, the intelligent terminal 4 and 14 connecting communication of near-field communication module.
Preferably, also including a server 5, the server 5 respectively with the intelligent terminal 4 and the near-field communication
Module 14 is wireless to be connected.
Preferably, the near-field communication module 14 includes bluetooth module, WiFi module or NFC module.
Preferably, also including an external plug 6, the external plug 6 is arranged on the projector 1.
Preferably, also including a USB interface 7, the USB interface 7 connects the CPU 11.
Preferably, also including a sound transducer 8, the sound transducer 8 connects the CPU 11.
Preferably, the fixing device 2 is flexible metal, and the projector 1 is fixed in 2 one end of the fixing device, another
Terminal sucker, clip or support fix the piano.
This utility model by arranging projector of the projectable on key on piano, and by into the aobvious of shadow image
Show so that player can carry out correspondingly key into shadow image and play according to described, this utility model also by intelligence eventually
Control is realized at end, by server obtain it is newest play resource, realize playing scoring, this utility model by sound transducer
Different from other piano directors, which is shown the continuous image played, and the change control by pattern on piano key
The rhythm that system is played, makes the people of the piano that has no ear for music completely, is ignorant of realize piano according to the guidance system
Play.
Description of the drawings
By reading the detailed description made to non-limiting example with reference to the following drawings, other spies of the present utility model
Levy, objects and advantages will become more apparent upon：
Fig. 1 is illustrated according to a specific embodiment of the present utility model, the overall structure for playing guidance system
Schematic diagram；
Fig. 2 is illustrated according to first embodiment of the present utility model, the modular structure schematic diagram of the piano guidance system；
And
Fig. 3 is illustrated according to second embodiment of the present utility model, the module link topology of the piano guidance system.
Specific embodiment
It is in order to preferably make the technical solution of the utility model clearly show, new to this practicality below in conjunction with the accompanying drawings
Type is described further.
Fig. 1 is illustrated according to a specific embodiment of the present utility model, the overall structure for playing guidance system
Schematic diagram, it will be appreciated by those skilled in the art that described play guidance system for being shown as shadow pattern on piano key, so that
Player is guided, and realizes playing, and further, is had one kind to penetrate on key by laser in the prior art, and is shown
Go out the technical scheme of note or music score, but in this utility model, we are realized by special control method need not
The technical scheme of beautiful movement can be ejected using music score, make one melodious qin can also be ejected from not in contact with the people for crossing piano
Sound.
Further, as shown in figure 1, the guidance system at least includes projector 1 and fixing device 2, the projection
Device 1 is detachably secured on the piano 3 by the fixing device 2, it will be appreciated by those skilled in the art that under in working order,
The drop shadow spread of the projector 1 is adapted with the total length of piano key 31, and the projector 1 will be into shadow visual information projection
On piano key 31.Different pianos is different, but the width that all keys are added up on each different piano should
It is identical, therefore the projector needs the image after the projection is all covered on the key, needs to projector
The height of angle and projector setting towards key is adjusted.
The projector 1 is LCD projectors, CRT projectors etc. in prior art, be one kind can by image or
The equipment shown to target location by VIDEO PROJECTION, the projector have the advantages that low cost, small volume, can be by fixing
Device 2 is detachably mounted on piano.
The fixing device 2 is flexible metal, and further, the fixing device 2 can be realized in the presence of manpower
Bending, rotation, torsion etc., but after the fixing device 2 bends, rotates, reversing, external force will be unable to make the fixed dress again
2 deformation are put, the fixing device 2 is similar to the handset mounting in currently available technology.
Further, the projector 1 is fixed in 2 one end of the fixing device, and the mode of the fixation is for being connected together, spiral shell
Stricture of vagina connection, riveting, bonding are welded, and the other end fixes piano by a sucker, and the sucker utilizes physicss' pressure principle
The absorption that can be fastened is on the piano, and in other examples, the fixation between the other end and the piano is also
Can fix for clip or support is fixed, these do not affect the technical solution of the utility model, will not be described here.
Fig. 2 illustrated according to first embodiment of the present utility model, the modular structure schematic diagram of the piano guidance system,
Specifically, the projector 1 includes CPU 11, photogenerator 12, memorizer 13, and near-field communication module 14 is described
CPU 11 connects the photogenerator 12, the memorizer 13 and near-field communication module 14.
Control unit of the CPU 11 for the projector, for realizing the transmitting-receiving control of information, data,
The photogenerator 12 is used for producing pattern, image, and the memorizer 13 is used for the video to be played of memory buffers and dispatches from the factory
When default video to be played, pattern, image, the near-field communication module 14 be used for receive from third-party control command with
And information to be played, the third party can be an intelligent terminal or far-end server, these concrete realities that will be described below
It is further described in applying mode.
It will be appreciated by those skilled in the art that the near-field communication module 14 is preferably bluetooth, the near-field communication module 14
Data interchange is realized with an intelligent terminal by bluetooth, further, the near-field communication module 14 is also provided with wifi,
The Internet is linked into by the wifi, further, the near-field communication module 14 can also be NFC module etc., here
It will not go into details.
Further, the projection piano guidance system also includes an external plug 6, and the external plug 6 is arranged on
On the projector 1, the external plug 6 in the projection piano guidance system all parts provide electric energy,
The external plug 6 connects the CPU 11, photogenerator 12, memorizer 13, near-field communication module 14 etc..
Further, the projection piano guidance system also includes a USB interface 7, the connection of the USB interface 7 institute
State CPU 11.The USB interface 7 is used for matching USB data line or USB flash disk etc. storage device, it is possible to achieve USB flash disk
With the data interchange of the projection piano guidance system.
Further, also including a sound transducer 8, the sound transducer 8 connects the CPU 11, institute
State sound transducer 8 for receive the sound that sends from piano playing, the sound can pass through by the sound transducer 8
The audio-frequency information is converted to data message by analog-digital converter, and further, in such embodiments, the central authorities are processed
Unit 11 is preferably analyzed to the data message, and the data message can be compared with a standardized data message
Right, the standardized data message is standards of grading, and then according to the situation of comparison, provides last scoring.
It will be appreciated by those skilled in the art that in a preferred embodiment, the projection piano guidance system is described
Under the control of CPU 11, video information to be played is got by near-field communication module 14 or USB interface 7,
And the video information is preferably stored or is buffered in the memorizer 13, further, the CPU control
Make the photogenerator 12 and light is produced according to the video information in the memorizer 13, further, the light for producing is thrown
On piano key, player is played in real time shadow according to the light of the generation, and the sound transducer receives the sound
Sound, and the sound is passed to into CPU, sound described in the central processing unit for processing, and be given and finally comment
Point.
Fig. 3 illustrated according to second embodiment of the present utility model, the module link topology of the piano guidance system,
As shown in figure 3, the projector, intelligent terminal and server is figure 3 illustrates, and in such embodiments, described Fig. 3
Reflect a kind of by the intelligent terminal control projector, and by the server, obtained information to be played
Complete topology figure.
Further, the piano guidance system also includes an intelligent terminal 4, and the intelligent terminal 5 is logical with the short range
News 14 connecting communication of module, it will be appreciated by those skilled in the art that the intelligent terminal passes through bluetooth with the near-field communication module 14
Connection, is preferably provided with an APP on the intelligent terminal 4, the APP is adapted with the projector, specifically, described
Playlist is provided with APP, is provided with that species is various, the various piano performance song that song differs in the playlist,
When player can select any of which song, the intelligent terminal to be additionally provided with marking system by preference, can be according to upper
Sound transducer in stating obtains sound, and calculates fraction by CPU, finally by the near-field communication
Module obtains the fraction, and then is displayed on APP.
Preferably, the piano guidance system also include a server 5, the server 5 respectively with the intelligent terminal 4
And the 14 wireless connection of near-field communication module, in such embodiments, when player selects any of the above-described by preference
After song, the APP preferably obtains the information to be played of the song from server, and downloads on APP, further,
The information to be played is passed to the projector so as to realize playing, and another by near-field communication module by the APP
In individual preferred embodiment, the near-field communication module preferably accesses the Internet by wireless network, and the projector can be with
Directly the information to be played is obtained from server, be provided with that species is various, the letter to be played that song differs on the server
Breath is selected for player, and the server can also be constantly updated Qu Ku, meet the different demands of player.
Further, it will be appreciated by those skilled in the art that under in working order, the CPU is received and read and treats
Broadcast information, the information to be played come from USB interface, intelligent terminal, memorizer or server etc., then, it is described in
The information to be played is sent to the photogenerator and produces image by Central Processing Unit, and the image is incident upon the piano
On key, player guides according to the image and is played, and further, the sound transducer is received and sent from piano
Sound, the sound transducer will be transferred to the CPU, the CPU after the sound transcoding
Transcoding information is calculated, and is drawn result of calculation and the result of calculation is projected in key mapping.
Above specific embodiment of the utility model is described.It is to be appreciated that this utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make various modifications or modification within the scope of the claims,
This has no effect on flesh and blood of the present utility model.
Claims (8)
1. a kind of projection piano guidance system, for guiding to piano key, it is characterised in that at least including projector
(1) and fixing device (2), projector (1) is detachably secured on the piano (3) by the fixing device (2),
Wherein,
Described projector (1) includes CPU (11), photogenerator (12), memorizer (13), near-field communication module
(14), described CPU (11) connect photogenerator (12), the memorizer (13) and near-field communication module
(14), wherein,
Under in working order, the drop shadow spread of projector (1) is adapted with the total length of piano key (31), the projection
Device (1) will be into shadow visual information projection on piano key (31).
2. guidance system according to claim 1, it is characterised in that also including an intelligent terminal (4), the intelligent terminal
(4) with near-field communication module (14) connecting communication.
3. guidance system according to claim 2, it is characterised in that also including a server (5), server (5)
Wirelessly it is connected with the intelligent terminal (4) and the near-field communication module (14) respectively.
4. guidance system according to any one of claim 1 to 3, it is characterised in that near-field communication module (14)
Including any one in following communication module or appoint it is various：
Bluetooth module；
WiFi module；Or
NFC module.
5. guidance system according to claim 4, it is characterised in that also including an external plug (6), the external plug
(6) it is arranged on the projector (1).
6. the guidance system according to claim 1 or 2 or 3 or 5, it is characterised in that also including a USB interface (7), described
USB interface (7) connects CPU (11).
7. guidance system according to claim 6, it is characterised in that also including a sound transducer (8), the sound are passed
Sensor (8) connects CPU (11).
8. the guidance system according to claim 1 or 2 or 3 or 5 or 7, it is characterised in that described fixing device (2) are soft
Property metal, fixing device (2) one end fixes projector (1), and the other end is fixed by any one in following device
The piano：
- sucker；
- clip；Or
- support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620748467.9U CN206039957U (en) | 2016-07-15 | 2016-07-15 | Projection piano guides system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620748467.9U CN206039957U (en) | 2016-07-15 | 2016-07-15 | Projection piano guides system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206039957U true CN206039957U (en) | 2017-03-22 |
Family
ID=58311513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620748467.9U Expired - Fee Related CN206039957U (en) | 2016-07-15 | 2016-07-15 | Projection piano guides system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206039957U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957424A (en) * | 2016-07-15 | 2016-09-21 | 邵松 | Projection-type piano guidance system and control method |
-
2016
- 2016-07-15 CN CN201620748467.9U patent/CN206039957U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957424A (en) * | 2016-07-15 | 2016-09-21 | 邵松 | Projection-type piano guidance system and control method |
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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 |
Granted publication date: 20170322 Termination date: 20210715 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| DD01 | Delivery of document by public notice |
Addressee: Wang Chuchen Document name: Patent Right Termination Notice |
|
| DD01 | Delivery of document by public notice |