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.

A transportable stringed keyboard instrument includes a lightweight sound-body formed of several layers with front plate and back plate of material of high modulus of elasticity like steel or higher, with a side plate of a material of high modulus of elasticity like steel or higher, bonded to various layers between front plate and back plate. A method of forming a lightweight sound-body includes a single press procedure, wherein the sound-body is formed with bending in opposite direction compared to bending forces due to the string load. An upright piano action is optimized for space reduction so that keys can be positioned closer to the strings and a rotatable action together with the keys form a separate unit for transportation, apart from the sound-body.

A transportable stringed keyboard instrument includes a lightweight sound-body formed of several layers with front plate and back plate of material of high modulus of elasticity like steel or higher, with a side plate of a material of high modulus of elasticity like steel or higher, bonded to various layers between front plate and back plate. A method of forming a lightweight sound-body includes a single press procedure, wherein the sound-body is formed with bending in opposite direction compared to bending forces due to the string load. An upright piano action is optimized for space reduction so that keys can be positioned closer to the strings and a rotatable action together with the keys form a separate unit for transportation, apart from the sound-body.

A vibration plate for a musical instrument includes: a plate-shaped vibration plate main body that has a deformation anisotropy property; a first elongated reinforcing member disposed on a first face of the vibration plate main body, and that projects outwardly from the first face and extends along the first face in a direction that prevents the vibration plate main body from deforming; and a second elongated reinforcing member disposed on a second face of the vibration plate main body, and that projects outwardly from the second face and extends along the second face in the direction that prevents the vibration plate main body from deforming. As viewed from a thickness direction of the vibration plate main body, at least part of the first elongated reinforcing member overlaps with at least part of the second elongated reinforcing member.

A vibration plate for a musical instrument includes: a plate-shaped vibration plate main body that has a deformation anisotropy property; a first elongated reinforcing member disposed on a first face of the vibration plate main body, and that projects outwardly from the first face and extends along the first face in a direction that prevents the vibration plate main body from deforming; and a second elongated reinforcing member disposed on a second face of the vibration plate main body, and that projects outwardly from the second face and extends along the second face in the direction that prevents the vibration plate main body from deforming. As viewed from a thickness direction of the vibration plate main body, at least part of the first elongated reinforcing member overlaps with at least part of the second elongated reinforcing member.

The present invention concerns soundboard apparatus for a musical instrument, the apparatus comprising a soundboard substrate formed of composite fibrous resin bonded material having a thickness of between 0.75 mm and 3 mm; and an outer layer formed of ultra-violet light blocking material having a thickness of between 0.5 and 0.9 mm. Further, the present invention relates to a method of forming a soundboard apparatus, the method comprising the steps of: bonding multiple layers of woven or straight stranded fibrous material in a resinous matrix to form a soundboard substrate, wherein the soundboard substrate is formed such that it is oversized with respect to final soundboard substrate dimensions; and finishing the soundboard substrate to form the final substrate, the finishing process being constrained to ensure that the final substrate dimensions are not compromised.

The present invention concerns soundboard apparatus for a musical instrument, the apparatus comprising a soundboard substrate formed of composite fibrous resin bonded material having a thickness of between 0.75 mm and 3 mm; and an outer layer formed of ultra-violet light blocking material having a thickness of between 0.5 and 0.9 mm. Further, the present invention relates to a method of forming a soundboard apparatus, the method comprising the steps of: bonding multiple layers of woven or straight stranded fibrous material in a resinous matrix to form a soundboard substrate, wherein the soundboard substrate is formed such that it is oversized with respect to final soundboard substrate dimensions; and finishing the soundboard substrate to form the final substrate, the finishing process being constrained to ensure that the final substrate dimensions are not compromised.

Piano pedal operating device for people with disabilities, which allows for said operation by pressure exerted by the back of a user, wherein said piano comprises a first, vertical axis that may move longitudinally operated by means of the right pedal; a second, transverse axis joined to the first axis; strings operated by means of keys, designed to produce sounds; and dampers operated by the second axis, designed to prolong or extinguish the sounds produced by the strings. The device comprises a magnet attached to the first axis; an electro-permanent suction cup placed above the magnet, which it attracts in order to move the dampers away from the strings; a cable that conducts an electric current to the electro-permanent suction cup, in order to annul its attraction over the magnet, and thus bring the dampers closer to the piano strings; and a switch designed to cut the current flow.

The invention relates to an instrument provided with an assembled soundboard. The nerve structures of the soundboard components are linked to the bass and middle registers on the one hand and the descant on the other hand and are positioned in a different angle with respect to the keyboard. The different positioning of the nerve structures contributes to an improved sound quality, a balanced volume and a warmer timbre. Moreover, such assembled soundboard offers a better resistance to changing weather conditions (i.e. cold and humidity).

The invention relates to an instrument provided with an assembled soundboard. The nerve structures of the soundboard components are linked to the bass and middle registers on the one hand and the descant on the other hand and are positioned in a different angle with respect to the keyboard. The different positioning of the nerve structures contributes to an improved sound quality, a balanced volume and a warmer timbre. Moreover, such assembled soundboard offers a better resistance to changing weather conditions (i.e. cold and humidity).