MUSICAL INSTRUMENT HAVING MULTIPLE SOUND BOARDS

Abstract

A musical instrument, which is one of musical instruments generating a sound using a sound board, the musical instrument designed to generate resonance of abundant and various sounds by separating a resonance space into several parts by simultaneously using several sound boards to one musical instrument, to enable a magnificent and wide-spectrum performance such as an orchestra as one musical instrument by implementing a high-level sound effect required when playing the musical instrument, such as not only an increase of a volume, but generation of an individual tone, depth of a sound, and a stereoscopic sense of a sound by applying various and new elements to each of several sound boards.

Claims

1. A musical instrument, which is one of musical instruments generating a sound using a sound board, the musical instrument designed to generate resonance of abundant and various sounds by separating a resonance space into several parts by simultaneously using several sound boards to one musical instrument, to enable a magnificent and wide-spectrum performance such as an orchestra as one musical instrument by implementing a high-level sound effect required when playing the musical instrument, such as not only an increase of a volume, but generation of an individual tone, depth of a sound, and a stereoscopic sense of a sound by applying various and new elements to each of several sound boards.

2. The musical instrument of claim 1, wherein an inclined sound board (4) is formed to be inclined rather than parallel with another sound board, so a sound wave smoothly travels and resonates while being mixed well with a sound wave from the another sound board, whereby an individual tone is generated and a sound effect is improved; and the inclined sound board is diagonally formed across a resonance space in the musical instrument, whereby the area of the sound board increases to be able to increase the volume of the musical instrument.

3. The musical instrument of claim 1, wherein a reduced sound board (5) reduced in size by forming a sound board smaller than another sound board rather than the same in size such that a portion of the sound board resonates a sound and the other portion transmits a sound, whereby the flow of a sound wave in the musical instrument is diversified, a tone is changed, and resonance is improved; and the sound board can be easily vibrated because the weight of the sound board is small, thereby being able to make a performance easy.

4. The musical instrument of claim 1, wherein since it is required to maximally amplify and transmit vibration energy of a forward sound board to a next sound board in order to generate sound simultaneously from sound boards through one plucking in a musical instrument designed with several sound boards, partition ribs are disposed inside and are covered with a thin cover plate to seal a space, whereby a sound amplifier having a structure that can increase a resonance effect because the space is divided into several rectangular resonance spaces by the partition ribs; and a three-dimensional bridge (8) with a sound amplifier designed to maximally transmit vibration of an amplified sound to the next sound board without a loss of energy is formed in a sound board to be able to generate a synergy effect when transmitting vibration of a sound by integrating a rectangular three-dimensional bridge that is hollow to reduce weight and is efficient to transmit vibration.

5. The musical instrument of claim 1, wherein a three-dimensional sound board is formed to be able to generate a strong and stereoscopic tone, which is generated from a sound board formed by integrating two sound boards into one sound board using partition ribs, and to be able to a resonance effect and a volume through a set of many rectangular closed resonance spaces formed by the partition ribs.

6. The musical instrument of claim 1, wherein, in a bridge that transmits a sound by connecting a series of sound boards to be able to generate a sound by receiving vibration energy simultaneously from several sound boards, a three-dimensional bridge (7) is formed in a hollow type to reduce weight using a thin and light material to minimize reduction of vibration energy, is formed in a rectangular three-dimensional shape that is efficient to transmit vibration energy, and is continuously formed in a vertical direction on each sound board using a bridge core made of a rigid and light material right under a portion where string are held of a sound board to directly transmit sound vibration.

7. The musical instrument of claim 1, wherein a trumpet-type resonance pipe (18) is formed in a sound board and a sound hole so that a sound wave is enlarged and a volume is increased by diffraction of a sound wave when a sound travels by forming a sound movement pipe like a cone for cheering having a narrow inlet and a wide outlet for a sound in a movement path when a sound resonated in a forward resonance space travels to a next resonance space.

8. The musical instrument of claim 1, wherein a method of attaching a protruding frame to the rear surface of a sound board (bracing) is used for musical instruments generating a sound by employing sound boards in order to tune the musical instruments, but a series of concave grooves is engraved on a sound board and is covered with a thin and light plate, whereby the space is sealed (minus bracing), whereby a groove (21) of a sound board is formed a the edge and the center of a sound board to be able to reduce the weight of the sound board, increase the rigidity, increase the resonance effect, make it possible to easily tune the musical instrument, increase a volume, and make a performance easy.

Description

DESCRIPTION OF DRAWINGS

[0023] FIG. 1 is a cross-sectional perspective view showing variously configured internal structure of a musical instrument according to the present invention.

[0024] FIG. 2 is a cross-sectional perspective view showing the inside of a musical instrument of the related art.

[0025] FIG. 3 is a structural cross-sectional view of a musical instrument according to the present invention.

[0026] FIG. 4 is a sound waveform view illustrating the principle of stereology of sound.

[0027] FIG. 5 is a cross-sectional view and a plan view of a three-dimensional bridge 8 with a sound amplifier according to the present invention.

[0028] FIG. 6 is view showing an installation position of a sound amplifier 17 according to the present invention in a musical instrument.

[0029] FIG. 7 is a cross-sectional perspective view of a three-dimensional bridge 7 in which the structure of the three-dimensional bridge 7 is enlarged.

[0030] FIG. 8 is a perspective view of a trumpet-type resonance pipe 18 formed in a sound board (A) and a perspective view of a trumpet-type resonance pipe 18 formed in a sound hole 9 (B).

[0031] FIG. 9 is a plan view and a cross-sectional view of a groove 21 of a sound board formed in a sound board.

[0032] FIG. 10 is a picture showing various types of examples of the groove 21 of a sound board.

[0033] FIG. 11 is a cross-sectional view showing an example of a violin-group instrument according to the present invention.

[0034] FIG. 12 is a front and rear structural view of an existing piano sound board.

[0035] FIG. 13 is a structural view showing a front (A and C) and a rear (B and D) of a piano sound board designed with a plurality of sound boards according to the present invention.

DESCRIPTION OF REFERENCE NUMERALS

[0036] 1. sound board

[0037] 2. side plate

[0038] 3. rear plate

[0039] 4. inclined sound board

[0040] 5. reduced sound board

[0041] 6. bridge

[0042] 7. three-dimensional bridge

[0043] 8. three-dimensional bridge with sound amplifier

[0044] 9. sound hole

[0045] 10. fingerboard

[0046] 11. hill

[0047] 12: head

[0048] 13. spool

[0049] 14. bridge core

[0050] 15. frame

[0051] 16. rib

[0052] 17. sound amplifier

[0053] 18. trumpet-type resonance pipe

[0054] 19. neck

[0055] 20. I-type connection bridge

[0056] 21. groove of sound board (minus bracing)

[0057] 22. sound post

[0058] 23. three-dimensional sound board

[0059] 24. upper neck

[0060] 25. sound channel hole

[0061] 26. cover plate