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Dive into the research topics where Toshiyuki Matsumura is active.

Publication


Featured researches published by Toshiyuki Matsumura.


Journal of the Acoustical Society of America | 1983

Sound absorbing structure

Toshiyuki Matsumura; Shuji Saiki

A sound absorbing panel structure is formed of a panel of sound absorbing material, such as a felt mat or fiberglass mat, and spaced apart, parallel strips of a decorative non-sound absorbing material attached to one side surface of the sound absorbing panel so that the sound absorbing panel is exposed in the area between the adjacent strips of decorative material.


Journal of the Acoustical Society of America | 2010

Piezoelectric acoustic transducer

Akiko Fujise; Toshiyuki Matsumura; Kazue Satoh


Archive | 2006

Electrokinetic electro-acoustic converter and electronic device

Toshiyuki Matsumura; Shuji Saiki; Sawako Kano; Koji Sano


Archive | 2006

ELECTRODYNAMIC ELECTROACOUSTIC TRANSDUCER AND ELECTRONIC DEVICE

Toshiyuki Matsumura; Shuji Matsushita.Ele.Ind Co Ltd Saiki; Sawako Kano; Koji Sano


Archive | 2008

MATERIAL FOR SPEAKER DEVICE AND A SPEAKER DEVICE USING IT

Yoshiharu Fukunishi; Takanori Kitamura; Kengo Tabata; Toshiyuki Matsumura; Shuji Saiki; Yoshimichi Kajihara; Satoshi Koura


Archive | 2006

Sound absorption structure body

Toshiyuki Matsumura; Shuji Saiki


Archive | 2007

Speaker, speaker device using the same and electronic apparatus and vehicle using the speaker

Masahide Sumiyama; Satoshi Koura; Yoshimichi Kajihara; Koji Sano; Kazuki Honda; Satoshi Itoh; Shuji Saiki; Toshiyuki Matsumura; Shinya Mizone


Archive | 2011

Piezoelectric speaker and piezoelectric speaker array

Akiko Fujise; Toshiyuki Matsumura


Archive | 2008

VIBRATION DEVICE AND ACOUSTIC SYSTEM

Mitsukazu Kuze; Shuji Saiki; Toshiyuki Matsumura


Archive | 2011

SPEAKER, HEARING AID, INNER-EAR HEADPHONE, PORTABLE INFORMATION PROCESSING DEVICE, AND AV DEVICE

Atsushi Sakaguchi; Shuji Saiki; Toshiyuki Matsumura

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