Motoharu Shimizu
Hitachi
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Publication
Featured researches published by Motoharu Shimizu.
Journal of the Acoustical Society of America | 1984
Osamu Fujita; Noriaki Goshi; Shinya Okayasu; Motoharu Shimizu; Nobuo Kakinuma
A magnetic circuit for a loudspeaker characterized in a substantially rectangular parellelepiped yoke provided with a hollow penetrating two opposed lateral faces thereof has a substantially rectangular parallelepiped sintered magnet mounted therein of a specified size and composition and having a recoil permeance coefficient from 1.0 to 1.2, a polepiece connected to the top surface of said parallelepiped sintered magnet forms a magnetic air gap with the end of a through hole formed in the top face of said rectangular yoke for a movable coil.
Archive | 1989
Motoharu Shimizu
Archive | 1982
Motoharu Shimizu; Noriyuki Noda; Yoshihiro Noguchi
Archive | 1984
Motoharu Shimizu
Archive | 2008
Mitsutoshi Natsumeda; Yoshinori Takayama; Motoharu Shimizu
Archive | 1994
Motoharu Shimizu; Motohisa Hasegawa
Journal of the Acoustical Society of America | 2003
Motoharu Shimizu; Hiroyuki Daichoh
Archive | 2008
Mitsutoshi Natsumeda; Yoshinori Takayama; Motoharu Shimizu
Archive | 1991
Atsushi Tagaya; Motoharu Shimizu
Archive | 1995
Motoharu Shimizu
