Yamaha Corporation

Akita Prefectural University

Eri Hirai

Kazuki Soga

Ichiro Osuga

Tatsuya Hiraku

Toshihisa Yamazaki

Ayumi Irisa

Yuichi Tadano

Hisaaki Mukai

Junnosuke Kaseda

Hidefumi Yamauchi

An object of the present invention is to provide a tone plate that can be increased in strength and that can produce the original sound of the material. A tone plateaccording to an aspect of the present invention includes: a surface layerhaving a striking surface; and a base layerthat is laminated directly or indirectly onto a face of the surface layeron the side opposite to the striking surface, wherein the surface layeris a layer of wood impregnated with resin, and the base layeris not impregnated with resin.

Tone plate and percussion instrument

An object of the present invention is to provide a tone bar woody material and a xylophone that are superior in acoustic characteristics and stable in quality. In the tone bar woody material of the present invention, at least a partial region of a surface layer of a wood material was impregnated with a resin composition, and the wood material comprises in the partial region, a plurality of pores each having an average diameter less than 1.2 times an average diameter of vessels in the wood material.

Tone bar woody material, tone bar percussion instrument, and production method of tone bar woody material

An acoustic material is provided which includes a plurality of wood veneers laminated via an adhesive, in which the veneer is impregnated with the adhesive, and the adjacent veneers are substantially in contact with one another. The adjacent veneers are impregnated with the adhesive in an amount of preferably no less than 1 g/mand no greater than 50 g/mper unit area in and around a boundary region of the adjacent veneers. The adhesive may be a water-soluble adhesive or a water-based emulsion adhesive. The veneer may be a rotary veneer, a sawn veneer or a sliced veneer. A musical instrument is further provided which includes a sound board, in which the acoustic material is used as the sound board.

Acoustic material and musical instrument

Growing community of inventors

Hamamatsu, Japan

Eri Hirai