Portable piano with improved functionality

Abstract

The present invention relates to a portable piano with improved functionality, which can be carried on the shoulder to be played in order to form a combination of a digital piano and an accordion and a light weight and a small size, and can more conveniently play a musical instrument without being limited by places such as indoor or outdoor. The present invention for achieving this purpose is characterized by comprising: a keyboard unit (36) in which a plurality of keyboards are formed on one side of a main body in order to enable right-hand performance; a Bass unit (3) provided on the other side of the main body and comprising a plurality of buttons in order to achieve the sum sound played by the left hand; a keystroke sensing unit (3a, 36a) for sensing the pressing operation of each of the Bass unit (3) and the keyboard unit (36); a control unit (50) that transmits signals of the keystroke sensing units (3a, 36a); an electro-acoustic conversion unit (51) that converts the keystroke signal into sound by the control of the control unit (50); and a speaker (5) that emits the sound converted by the electro-acoustic conversion unit (51) to the outside.

Description

Technical Field

[0001] The present invention relates to a portable piano, and more particularly to a portable piano having an improved structure that improves portability and mobility by miniaturizing and lightening the structure of a digital piano. Background Art

[0002] Generally, a digital piano is also called an electronic piano. Unlike existing ordinary pianos that produce sounds by physically / mechanically striking the internal strings when pressing the keyboard, a digital piano is a musical instrument that produces electronic sounds by activating electric switches, and is a keyboard instrument that reproduces sounds almost similar to those of an ordinary piano.

[0003] Digital pianos use digital sounds stored in hardware, so they do not require adjustment and can be used in conjunction with other devices. They have built-in sounds that are different from those of ordinary pianos, as well as sounds of various instruments such as violins, drums, and saxophones, giving them a wide range of timbres. With these advantages, they are widely used as an alternative to ordinary pianos for education / learning, practice, or hobby.

[0004] However, since the piano in the prior art has a large size and volume, there is a problem in that it can only be performed in a specific place and is difficult to move and carry outdoors or to other places.

[0005] In addition, when playing the accordion, in order to inject air, it is necessary to pull the bellows with the left hand while playing, which is inconvenient. Moreover, due to the weight of about 12 to 18 kilograms, it is inconvenient to play. Summary of the invention

[0006] The present invention is proposed to improve the problems in the above-mentioned prior art, and its purpose is to provide an improved keyboard instrument structure, which has a small structure similar to an accordion in appearance, does not require bellows, can be carried freely, and can be played with both hands using keyboards and buttons.

[0007] In order to achieve the above-mentioned purpose, the portable piano of the present invention is characterized in that it includes: a keyboard part, which has a plurality of keyboards formed on one side of the main body to enable right-hand performance; a bass part, which is arranged on the other side of the main body and is composed of a plurality of buttons to achieve harmony played by the left hand; a keystroke sensing part, which forms a sense according to the respective pressing actions of the bass part and the keyboard part; a control part, which transmits the signal of the keystroke sensing part; an electro-acoustic conversion part, which converts the keystroke signal into sound under the control of the control part; and a speaker, which emits the sound converted by the electro-acoustic conversion part to the outside.

[0008] In addition, the present invention is characterized in that the speaker is located between the bass section and the keyboard section, and a bass octave adjustment section for adjusting the octave of the bass is provided on the bass section side, and a keyboard octave adjustment section for adjusting the octave of the keyboard sound is provided on the keyboard section side.

[0009] The portable piano of the present invention is designed to be a combination of a digital piano and an accordion in a light and compact size, so that the portable piano can be carried on the shoulder for performance and can be played more conveniently without being restricted by indoor or outdoor locations. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 1 is a plan view of the structure of a portable piano according to an embodiment of the present invention.

[0011] Figure 2 It is a left side structural diagram of a portable piano of the present invention.

[0012] Figure 3 It is a right side structural diagram of a portable piano of the present invention.

[0013] Figure 4 yes Figure 1 Detailed diagram of the left-hand bass section button functions in Section A.

[0014] Figure 5 yes Figure 2 Enlarged view of part B.

[0015] Figure 6 It is a block diagram of the driving part of the portable piano of the present invention.

[0016] Figure 7 It is a three-dimensional appearance diagram of the portable piano of the present invention.

[0017] Figure 8 and Fig. 9 FIG. 4 is a structural diagram of a portable piano according to another embodiment of the present invention. DETAILED DESCRIPTION

[0018] The embodiments of the present invention can be modified into various forms, and the scope of the present invention should not be interpreted as being limited to the embodiments described in detail below. The embodiments are provided to more fully explain the present invention to people with average knowledge in the industry.

[0019] Therefore, the shapes of the components shown in the drawings may be exaggerated in order to emphasize a clearer description. It should be noted that in each of the drawings, the same components are shown with the same reference numerals. In addition, the detailed description of the functions and components of the related known technologies that may obscure the gist of the present invention may be omitted.

[0020] First, a portable piano according to an embodiment of the present invention is constructed as follows Figures 1 to 6 shown.

[0021] The appearance of the portable piano in this embodiment is similar to that of an accordion, and includes: a keyboard section 36, which is provided with a plurality of keyboards on one side of the main body to enable right-hand performance; a bass section 3, which is arranged on the other side of the main body and is composed of a plurality of buttons to enable chords played by the left hand; keystroke sensing sections 3a, 36a, which sense the pressing actions of the bass section 3 and the keyboard section 36 respectively; a control section 50, which transmits signals from the keystroke sensing sections 3a, 36a; an electroacoustic conversion section 51, which converts the keystroke signal into sound under the control of the control section 50; a speaker 5, which emits the sound converted by the electroacoustic conversion section 51 to the outside; and a power supply section (not shown) for supplying operating power.

[0022] Hereinafter, specific embodiments of the present invention will be examined in detail with reference to the accompanying drawings.

[0023] It can be confirmed that the speaker 5 is located between the bass section 3 and the keyboard section 36, and a bass octave adjustment section 4 for adjusting the octave of the bass is provided on one side of the bass section 3, and a keyboard octave adjustment section 35 for adjusting the octave of the keyboard sound is provided on one side of the keyboard section 36. The bass octave adjustment section 4 can be set to a four-octave range and can be provided separately from the keyboard octave adjustment section 35.

[0024] In addition, preferably, the bass part 3 and the keyboard part 36 are formed in a left-right symmetrical shape with the speaker 5 as a reference, and are arranged on an inclined surface at a certain angle so that keystrokes can be easily achieved by the right hand and the left hand respectively.

[0025] In particular, the 48 buttons of the bass section 3 are arranged in the form of six rows, with the first row 3a and the second row 3b being single-note buttons, the third row 3c being triad buttons, the fourth row 3d being diminished triad buttons, the fifth row 3e being seventh-chord buttons, and the sixth row 3f being ninth-chord buttons.

[0026] In addition, preferably, a mode change button 2 is provided on one side of the bass section 3 so that selective performance can be performed in accordion mode or keyboard mode, and in order to adjust the pitch by semitones, a semitone chord section 8 consisting of 12 buttons is provided on one side of the keyboard section 36, and ring sections 60 for connecting shoulder straps are respectively formed on both sides of the main body.

[0027] On the other hand, the bend tone switch 1 in this embodiment has the function of bending the sound from the original tone upward or downward, the microphone volume control 6 and the instrument volume adjustment 7 use the upper and lower volume control buttons to respectively perform the function of adjusting the microphone or the overall volume, the button of the speed tone setting part 11 can quickly set the performance tone, the tone setting part 12 can freely select the desired tone while retaining 255 tones from 1 to 255, the demonstration music 12 button can select multiple songs stored in the internal storage for appreciation, the speed control button 14 can set the speed through the arrow buttons, the insert / synchronize button 15 automatically inserts an interlude by pressing the [insert] button after the rhythm starts, and the [synchronize] button ize)] the rhythm stops, at this time, pressing any right-hand keyboard can simultaneously perform rhythm accompaniment, the rhythm button 17 performs the function of starting the rhythm, the reset button 18 is converted to the accordion mode through the factory initialization setting, the metronome button 21 adopts the metronome mode, and there are 6 built-in (1 / 4, 2 / 4, 3 / 4, 4 / 4, 3 / 8, 6 / 8) beats for selection, and the wireless transmission 22 button can match the wireless transmitter signal without touching the connecting cable, the chord sub-button 23 can set the chord suitable for playing through the chord mode buttons 1 to 7, and the sustain 24 button can achieve the sustain (portamento) effect, and the tremolo 25 button can achieve the tremolo (trill) timbre.

[0028] The effects of using the portable piano of the present invention constructed as described above will be examined.

[0029] The portable piano of the present invention is played by carrying the shoulder straps on both shoulders in a manner similar to an accordion by connecting the shoulder straps to the rings 60 provided on both sides of the main body, and the keyboard and bass can be played by both hands at the same time.

[0030] In other words, by pressing the keys of the keyboard section 36 with the right hand and playing in a piano manner, the 48 buttons of the bass section 3 are pressed with the left hand to play chords, thereby achieving performance of multiple tones.

[0031] In particular, with respect to 48 chords played by the bass section 3, the entire chord can be converted into 12 stages in the form of semitone increase or decrease by using the bass octave adjustment section 4 button, so that all types of chords can be played.

[0032] In addition, the chords played by the bass section 3 can be separated one by one by the chord-parting button 23, thereby showing the advantage of being able to play with more diverse timbres. For example, in the case of a C chord, three notes of do / mi / so can be heard at the same time. If the chord-parting button 23 is pressed, the chords can be separated one by one like do, so, do, mi, so.

[0033] In addition, the sound played by the right-hand keyboard section 36 is octave-adjusted by the keyboard octave adjustment section 35, and the entire keyboard sound can be raised or lowered by one scale, thereby generating a performance sound.

[0034] Therefore, the portable piano of the present invention is to form a light and small size that combines a digital piano and an accordion, so that it can be carried on the shoulder for performance, and is not restricted by indoor or outdoor places, so that the instrument can be played more conveniently.

[0035] In particular, compared with existing accordions, the advantage is that there is no need to pull the bellows, and the weight is 2.6 to 3 kilograms, which is lighter than the accordion, so women or elementary school students can also use it easily.

[0036] In addition, it is apparent that although specific embodiments of the present invention have been described and illustrated above, the portable piano structure of the present invention may be implemented in many variations by those skilled in the art.

[0037] For example, in the above embodiments, the number of keyboards and buttons is specifically described and illustrated, but the number of keyboards and the arrangement of buttons may be different. Figure 8 and Fig. 9 It is manufactured in various forms as shown in .

[0038] In addition, when the left-hand bass part 3 presses the scattered chords, major, minor, seventh chords, diminished seventh chords, and scattered chords are stored. Just press a desired chord button and you can easily play them in a row. It can also be set to remember five timbres and arrange them near the right-hand keyboard part 36. When playing, arrange the desired timbre arrangement in advance, which makes it easier to play.

[0039] Therefore, the modified embodiments described above should not be understood solely from the technical idea or scope of the present invention, and the modified embodiments described above should be included in the patent claims of the present invention.

[0040] Industrial Applicability

[0041] Compared with existing accordions, its advantages are that it does not require bellows, and weighs 2.6 to 3 kilograms, which is lighter than an accordion, so it can be easily used by women or elementary school students.

Claims

1. A portable piano with improved functionality, characterized in that: include: A keyboard part (36) is formed with a plurality of keyboards on one side of the main body in order to enable right-handed playing; The bass part (3) is arranged on the other side of the main body and is composed of a plurality of buttons for realizing harmony played by the left hand; A keystroke sensing unit (3a, 36a) which senses the pressing actions of the bass unit (3) and the keyboard unit (36); A control unit (50) that transmits a signal from the keystroke sensing unit (3a, 36a); An electroacoustic conversion unit (51) converts a keystroke signal into sound under the control of a control unit (50); The speaker (5) emits the sound converted by the electroacoustic conversion unit (51) to the outside.

2. The portable piano with improved functionality according to claim 1, characterized in that: The speaker (5) is located between the bass part (3) and the keyboard part (36), and a bass octave adjustment part (4) for adjusting the octave of the bass is provided on one side of the bass part (3), and a keyboard octave adjustment part (35) for adjusting the octave of the keyboard sound is provided on one side of the keyboard part (36).

3. The portable piano with improved functionality according to claim 2, characterized in that: The bass part (3) and the keyboard part (36) are formed into a left-right symmetrical shape with the speaker (5) as a reference, and are arranged on an inclined surface with a certain angle so that keystrokes can be easily achieved by the right hand and the left hand respectively.

4. The portable piano with improved functionality according to claim 1, characterized in that: The 48 buttons of the bass part (3) are arranged in six rows, with the first row (3a) and the second row (3b) being single-note buttons, the third row (3c) being triad buttons, the fourth row (3d) being diminished triad buttons, the fifth row (3e) being seventh-chord buttons, and the sixth row (3f) being ninth-chord buttons.

5. The portable piano with improved functionality according to claim 1, characterized in that: A mode change button (2) is provided on one side of the bass section (3) so that selective performance can be performed in accordion mode or keyboard mode.

6. The portable piano with improved functionality according to claim 1, characterized in that: In order to adjust the pitch by semitones, a semitone chord part (8) consisting of 12 buttons is arranged on one side of the keyboard part (36).

7. The portable piano with improved functionality according to claim 1, characterized in that: Rings (60) for connecting shoulder straps are respectively formed on both sides of the main body.

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