CN212276799U - Music score turning system for electric piano and pedal of electric piano - Google Patents
Music score turning system for electric piano and pedal of electric piano Download PDFInfo
- Publication number
- CN212276799U CN212276799U CN202022359349.8U CN202022359349U CN212276799U CN 212276799 U CN212276799 U CN 212276799U CN 202022359349 U CN202022359349 U CN 202022359349U CN 212276799 U CN212276799 U CN 212276799U
- Authority
- CN
- China
- Prior art keywords
- pedal
- circuit
- main control
- control circuit
- communication circuit
- 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.)
- Active
Links
Images
Abstract
The embodiment of the utility model discloses music score system is turned over to fender and fender footboard. The invention relates to the technical field of electric pianos, and aims to improve the consistency of musical performance. The electric piano comprises a pedal, a pedal switch circuit, a master control circuit and a communication circuit, wherein the input end of the pedal switch circuit is close to the pedal, the output end of the pedal switch circuit is connected with the input end of the master control circuit, the output end of the master control circuit is connected with the input end of the communication circuit, and the output end of the communication circuit is used for being connected with external electronic equipment. The utility model discloses can be applied to the occasion of fender in the interconnection of outside electronic equipment.
Description
Technical Field
The utility model relates to a piano playing technology especially relates to an electronic piano and electronic piano footboard turn over register for easy reference system.
Background
The existing electric piano can pre-store music scores of various types of music on electronic equipment by being connected with the electronic equipment, such as mobile equipment, and when the existing electric piano is played, the music score to be played is called and displayed on a display screen of the electronic equipment, and a user plays according to the displayed music score. Therefore, a user is not required to obtain the paper music score, convenience is brought to the user, the user can call the music score at any time, and required music is played through the displayed music score, so that the music experience of the user is greatly improved, and more users are attracted to perform the test.
However, in the case of playing music scores by connecting an electronic device with an electronic piano, because the size of a display screen of the electronic device is generally limited, the music score of a piece of music may need to be displayed on a plurality of display pages, that is, only a certain part of the music score may be displayed on a display screen page of the electronic device. Thus, when the user cannot fully recite the music score, the user needs to temporarily interrupt the performance to turn the page of the music score, which affects the consistency of the performance of the user
Disclosure of Invention
In view of this, the embodiment of the present invention provides an electric piano and an electric piano pedal music score turning system, which is convenient for improving the consistency of music performance.
In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:
in a first aspect, an embodiment of the present invention provides an electric piano, including: a pedal, a pedal switch circuit, a main control circuit and a communication circuit, wherein,
the input end of the pedal switch circuit is close to the pedal, the output end of the pedal switch circuit is connected with the input end of the main control circuit, the output end of the main control circuit is connected with the input end of the communication circuit, and the output end of the communication circuit is used for being connected with external electronic equipment;
the pedal switch circuit is used for switching on a hardware switch in the pedal switch circuit after the pedal is monitored to be pressed to a preset position through the position sensor;
the main control circuit is used for acquiring the on-off state of a hardware switch in the pedal switch circuit, and outputting a spectrum turning instruction to the communication circuit when the hardware switch is in the on state;
and the communication circuit is used for outputting the received spectrum turning instruction to the external electronic equipment.
Optionally, the pedal is a left pedal in an electric piano.
Optionally, the output end of the pedal switch circuit is connected with the main control circuit through a four-core wire.
Optionally, the communication circuit is a standard universal serial bus circuit, and is located on the same printed circuit board as the main control circuit, and the communication circuit is connected to an external electronic device through a communication cable.
In a second aspect, an embodiment of the present invention provides an electronic piano pedal music score turning system, this electronic piano pedal music score turning system includes: an electric piano and an electronic apparatus, wherein,
the electric piano includes: a pedal, a pedal switch circuit, a main control circuit and a communication circuit, wherein,
the input end of the pedal switch circuit is close to the pedal, the output end of the pedal switch circuit is connected with the input end of the main control circuit, the output end of the main control circuit is connected with the input end of the communication circuit, and the output end of the communication circuit is connected with external electronic equipment;
the pedal switch circuit is used for switching on a hardware switch in the pedal switch circuit after the pedal is monitored to be pressed to a preset position through the position sensor;
the main control circuit is used for acquiring the on-off state of a hardware switch in the pedal switch circuit, and outputting a spectrum turning instruction to the communication circuit when the hardware switch is in the on state;
and the communication circuit is used for outputting the received spectrum turning instruction to external electronic equipment connected with the communication circuit.
Optionally, the external electronic device is a tablet computer or a smart phone.
The embodiment of the utility model provides a music score system is turned over to fender and fender footboard plays the in-process at the user, when the definite music score turns over the page or leaf that needs to carry out, through stepping on the footboard, triggers to electronic equipment output and turns over the music score instruction to electronic equipment can carry out the music score operation according to turning over the music score instruction, and the music score that is about to play shows the visible area of electronic equipment screen, the user of being convenient for browses and plays the music score line, avoids needing to interrupt the situation of playing in order to carry out the music score and turn over the page or leaf temporarily to be convenient for promote the continuity of musical performance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an electric piano according to an embodiment of the present invention;
fig. 2 is the utility model discloses an electronic piano footboard music score system structure sketch map.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is the utility model discloses an electronic piano schematic structure. Referring to fig. 1, the electric piano 100 includes: the electronic device comprises a pedal 101, a pedal switch circuit 102, a main control circuit 103 and a communication circuit 104, wherein the input end of the pedal switch circuit 102 is close to the pedal 101, the output end of the pedal switch circuit 102 is connected with the input end of the main control circuit 103, the output end of the main control circuit 103 is connected with the input end of the communication circuit 104, and the output end of the communication circuit 104 is used for being connected with external electronic equipment; the pedal switch circuit 102 is used for switching on a hardware switch in the pedal switch circuit 102 after the pedal is monitored to be pressed down to a preset position through a position sensor, and switching off the hardware switch in the pedal switch circuit 102 when the pedal is retracted and leaves the preset position; the position sensor in the pedal switch circuit is used as the input end of the pedal switch circuit, can be a proximity switch or a Hall sensor and the like, and is arranged at a position close to the pedal.
The main control circuit 103 is used for acquiring the on-off state of a hardware switch in the pedal switch circuit 102, and outputting a spectrum turning instruction to the communication circuit 104 when the hardware switch is in the on state; and the communication circuit 104 is used for outputting the received spectrum turning instruction to the external electronic equipment. The external electronic equipment can execute the page turning operation according to the page turning instruction.
According to the electric piano provided by the embodiment, in the playing process of a user, when the music score page turning is determined to be required, the pedal is stepped down, and the music score turning instruction is triggered to be output to the electronic equipment, so that the electronic equipment can execute the music score turning operation according to the music score turning instruction, namely, the music score to be played is displayed in the visible area of the screen of the electronic equipment, the user can browse and play the music score line conveniently, the situation that the playing is required to be interrupted temporarily to perform the music score page turning is avoided, and the consistency of the music playing is improved conveniently.
In order to simulate a grand piano, a conventional electric piano is generally provided with three pedals respectively corresponding to a mute function, a post-mute function and a sustain function of the electric piano, wherein a left pedal in the electric piano is also called a soft pedal for realizing the mute function of the electric piano, and when a user steps on the electric piano, the volume of the electric piano is reduced and the tone and the color of the electric piano are changed to be soft, namely the left pedal plays a bass in the electric piano. However in practical application, because the left pedal is used seldom in the performance of the electric piano, therefore, preferably, the embodiment of the utility model provides a left pedal for turning over the pedal of register for easy reference chooses the left pedal of the mute function, utilize the left pedal to realize the music book promptly and turn over the register for easy reference function, can furthest reduce the influence to the user performance, the user steps on the left pedal, can play the mute simultaneously and turn over the function of register for easy reference, promptly on the basis of current electric piano, with the left pedal pass through pedal switch circuit, master control circuit and communication circuit be connected with electronic equipment can, receive the information of left pedal output, this information can be the same with the information that forms the mute function, also can be different. Of course, in practical application, the function of turning the music score can be realized by using other two pedals in the electronic piano, or by using other components except the pedals in the electronic piano. That is, the pedal may be any pedal on an existing electric piano, or may be a pedal separately provided for turning pages.
The embodiment of the utility model provides an in, preferably, the hardware switch in the pedal switch circuit 102 is in the normally-open state to can set up when the hardware switch breaks off, the level of pedal switch circuit 102 output is the high level, and after the hardware switch is closed, the level of pedal switch circuit 102 output is the low level. Of course, in practical application, also can set up when the hardware switch is disconnected, the level of footboard switch circuit 102 output is the low level, and after the hardware switch was closed, the level of footboard switch circuit 102 output was the high level, the embodiment of the utility model provides a limit this.
The embodiment of the utility model provides an in, when the user steps on the footboard, the hardware switch that triggers in the pedal switch circuit 102 is closed, wherein, the hardware switch includes but is not limited to: metal complementary oxide tubes, field effect transistors, diodes, etc.
As an alternative embodiment, the output terminal of the pedal switch circuit 102 is connected to the main control circuit 103 through a four-core wire.
As an alternative embodiment, the main control circuit 103 includes a microcontroller, and the microcontroller is configured to collect the hardware switch state information in the pedal switch circuit 102, and control the communication circuit 104 to send a music turning instruction to an external electronic device, such as an IPAD (tablet personal computer) or a smartphone, when the switch state is switched from the off state to the on state.
In the embodiment of the present invention, for better connecting the external electronic device (IPAD) and transmitting the spectrum turning instruction, the communication Circuit 104 can be set to the standard Universal Serial Bus (USB, Universal Serial Bus) Circuit, and is on the same Printed Circuit Board (PCB, Printed Circuit Board) with the main control Circuit 103, and is connected through the USB Bus. Of course, in practical applications, the microcontroller in the main control circuit 103 may also be connected to the communication circuit 104 by using a bus manner other than the USB bus.
Preferably, the communication circuit 104 is connected to an external IPAD via a communication cable, such as a MIDI cable.
In the embodiment of the present invention, as an optional embodiment, the communication circuit 104 is described as the MIDI subclass of the standard USB audio class device according to the USB 2.0 universal protocol requirement. Thus, when connected to the IPAD, it is automatically recognized by the IPAD as a standard MIDI device, enabling communication between the communication circuit 104 and the IPAD to follow the standard USB MIDI device class protocol.
In the embodiment of the present invention, as an optional embodiment, the main control circuit 103 includes: a collecting unit, a judging unit, and an information output unit (not shown in the figure), wherein,
the acquisition unit is used for acquiring the on-off state of a hardware switch in the pedal switch circuit 102 and outputting the acquired on-off state information to the judgment unit;
the judging unit is used for judging whether the hardware switch is in the on state or not according to the received on-off state information, and if so, the information output unit is informed;
and the information output unit is used for generating a spectrum turning instruction according to the notification output by the judging unit and outputting the spectrum turning instruction to the communication circuit.
Fig. 2 is the utility model discloses an electronic piano footboard music score system structure sketch map. Referring to fig. 2, the electric piano pedal music score turning system includes: an electric piano 100 and an electronic apparatus 200, wherein the electric piano 100 is the electric piano described in any of the foregoing embodiments, and may include: the electronic device comprises a pedal 101, a pedal switch circuit 102, a main control circuit 103 and a communication circuit 104, wherein the input end of the pedal switch circuit 102 is close to the pedal 102, the output end of the pedal switch circuit 102 is connected with the input end of the main control circuit 103, the output end of the main control circuit 103 is connected with the input end of the communication circuit 104, and the output end of the communication circuit 104 is connected with an external electronic device 200; the pedal switch circuit 102 is used for switching on a hardware switch in the pedal switch circuit after monitoring that the pedal is pressed down to a preset position through the position sensor, and switching off the hardware switch in the pedal switch circuit when the pedal is retracted and leaves the preset position; in the embodiment of the utility model provides an in, the output of pedal switch circuit 102 is connected with master control circuit 103 through the four-core line.
The main control circuit 103 is used for acquiring the on-off state of a hardware switch in the pedal switch circuit 102, and outputting a spectrum turning instruction to the communication circuit when the hardware switch is in the on state;
in the embodiment of the utility model, the music score instruction is musical instrument digital interface information. When the pedal is pressed, the content of the transmitted MIDI information is 0x0B 0x 67N, wherein N is larger than 63; when the pedal is released, the transmitted MIDI information content is 0x0B 0x 67N, where N is less than 64.
And the communication circuit is used for outputting the received music score turning instruction to external electronic equipment connected with the communication circuit so that the external electronic equipment executes music score turning operation according to the music score turning instruction, namely, the visible area of the screen of the electronic equipment is adjusted by the music score to be played.
The embodiment of the utility model provides an in, communication circuit is in on the same printed circuit board with master control circuit.
Preferably, the communication circuit is connected to the electronic device through a MIDI cable.
The piano pedal music score turning system provided by the embodiment triggers the output of a music score turning instruction to the electronic equipment by stepping on the pedal when the user determines that the music score needs to be turned during playing, so that the electronic equipment can execute music score turning operation according to the music score turning instruction, namely, the music score to be played is displayed in a visible area of a screen of the electronic equipment, the user can browse and play the music score line conveniently, the situation that the user needs to interrupt playing temporarily to turn the music score is avoided, and the continuity of music playing can be improved.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. An electric piano, comprising: a pedal, a pedal switch circuit, a main control circuit and a communication circuit, wherein,
the input end of the pedal switch circuit is close to the pedal, the output end of the pedal switch circuit is connected with the input end of the main control circuit, the output end of the main control circuit is connected with the input end of the communication circuit, and the output end of the communication circuit is used for being connected with external electronic equipment;
the pedal switch circuit is used for switching on a hardware switch in the pedal switch circuit after the pedal is monitored to be pressed to a preset position through the position sensor;
the main control circuit is used for acquiring the on-off state of a hardware switch in the pedal switch circuit, and outputting a spectrum turning instruction to the communication circuit when the hardware switch is in the on state;
and the communication circuit is used for outputting the received spectrum turning instruction to the external electronic equipment.
2. The electric piano according to claim 1, wherein said pedal is a left pedal in an electric piano.
3. The electric piano according to claim 1, wherein an output terminal of said pedal switch circuit is connected to a main control circuit through a four-core wire.
4. The electric piano of claim 1, wherein said communication circuit is a standard universal serial bus circuit and is located on the same printed circuit board as said main control circuit, said communication circuit being connected to external electronic equipment through a communication cable.
5. The utility model provides an electronic piano footboard music score system that turns over which characterized in that, this electronic piano footboard music score system that turns over includes: an electric piano and an electronic apparatus, wherein,
the electric piano includes: a pedal, a pedal switch circuit, a main control circuit and a communication circuit, wherein,
the input end of the pedal switch circuit is close to the pedal, the output end of the pedal switch circuit is connected with the input end of the main control circuit, the output end of the main control circuit is connected with the input end of the communication circuit, and the output end of the communication circuit is connected with external electronic equipment;
the pedal switch circuit is used for switching on a hardware switch in the pedal switch circuit after the pedal is monitored to be pressed to a preset position through the position sensor;
the main control circuit is used for acquiring the on-off state of a hardware switch in the pedal switch circuit, and outputting a spectrum turning instruction to the communication circuit when the hardware switch is in the on state;
and the communication circuit is used for outputting the received spectrum turning instruction to external electronic equipment connected with the communication circuit.
6. The electric piano pedal music score system of claim 5, wherein the external electronic device is a tablet computer or a smartphone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022359349.8U CN212276799U (en) | 2020-10-20 | 2020-10-20 | Music score turning system for electric piano and pedal of electric piano |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022359349.8U CN212276799U (en) | 2020-10-20 | 2020-10-20 | Music score turning system for electric piano and pedal of electric piano |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212276799U true CN212276799U (en) | 2021-01-01 |
Family
ID=73871105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022359349.8U Active CN212276799U (en) | 2020-10-20 | 2020-10-20 | Music score turning system for electric piano and pedal of electric piano |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212276799U (en) |
-
2020
- 2020-10-20 CN CN202022359349.8U patent/CN212276799U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3075809U (en) | Karaoke microphone | |
| US20150350032A1 (en) | Remote access for mobile devices | |
| CN101739374B (en) | Signal transmission path selecting and apply the electronic installation of this circuit | |
| CN102547173B (en) | Television remote control method and television device | |
| JPH08234957A (en) | Apparatus and method for generation of keystroke data accompanied by voice recognition | |
| CN103558916A (en) | Man-machine interaction system, method and device | |
| WO2022116297A1 (en) | Method and apparatus for generating vibration effect, and terminal device and storage medium | |
| CN105573585A (en) | Information display method and terminal | |
| CN212276799U (en) | Music score turning system for electric piano and pedal of electric piano | |
| CN103714028B (en) | The method of information processing and electronic equipment | |
| CN105302287A (en) | Electronic device and electronic method of starting specific functions | |
| WO2023206907A1 (en) | Information display method and apparatus, computer readable storage medium, and electronic device | |
| CN206226724U (en) | A kind of loudspeaker box testing device | |
| CN205320230U (en) | Multimedia equipment | |
| CN111045641B (en) | Electronic terminal and voice recognition method | |
| US20020132212A1 (en) | Multi-functional portable information learning device | |
| CN2864801Y (en) | Mouse | |
| CN209030351U (en) | A kind of television terminal with interpretative function | |
| CN1892620A (en) | System and method for displaying music playing device information through displaying device | |
| CN113272891A (en) | Musical performance system, musical performance mode setting method, and musical performance mode setting device | |
| KR20210037054A (en) | Digital piano system works with mobile devices | |
| CN209447532U (en) | A kind of floor sheet controller | |
| CN2515724Y (en) | Device for displaying selecting single phonetic function on liquid crystal display screen | |
| CN204066712U (en) | A kind of smart bluetooth electronic keyboard system | |
| CN101930410A (en) | Input-output control unit and electronic musical instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |