Title:
VIBRATION EXCITER AND MUSICAL INSTRUMENT
Document Type and Number:
WIPO Patent Application WO/2016/017590
Kind Code:
A1
Abstract:
A vibration exciter comprising a vibration exciter main body and a vibrating body and generating sound by exciting a body to be excited, in a first direction. Resonance of plate springs caused by vibration of the vibrating body is suppressed, said plate springs being provided at a joint section of a coupling body that couples the vibrating body to the body to be excited. A vibration exciter 40 is provided that changes the natural frequency of a system including plate springs and a damping member 491, from the natural frequency of the plate springs by having the damping member fixed to the plate springs, said vibration exciter comprising: a vibration exciter main body 41; the vibrating body 44 provided so as to vibrate in the first direction relative to the vibration exciter main body; and the coupling body 45 that couples the vibrating body and the body 16 to be excited to each other and transmits the vibration of the vibrating body to the body to be excited. The coupling body comprises; an axis 46 extending between the vibrating body and the body to be excited; and the joint section 47 which permits slanting, in the first direction, of at least part of the axis. The joint section comprises spherical sections 473, 481, sockets 475, 483 into which part of the spherical sections are inserted, and plate springs 476, 484 that push the spherical sections into the sockets.
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Inventors:
KAWABATA TARO (JP)
SATOMI MASAYUKI (JP)
SATO SHIGEAKI (JP)
MATSUO YOSHIYA (JP)
SUMINO SHINJI (JP)
ISHII JUN (JP)
SATOMI MASAYUKI (JP)
SATO SHIGEAKI (JP)
MATSUO YOSHIYA (JP)
SUMINO SHINJI (JP)
ISHII JUN (JP)
Application Number:
PCT/JP2015/071263
Publication Date:
February 04, 2016
Filing Date:
July 27, 2015
Export Citation:
Assignee:
YAMAHA CORP (JP)
International Classes:
G10H1/32; G10C3/06; H04R7/04
Domestic Patent References:
| WO2014115482A1 | 2014-07-31 |
Foreign References:
| JP2011259251A | 2011-12-22 |
Attorney, Agent or Firm:
CHUBU PATENT OFFICE (JP)
Central patent business corporation international patent firm (JP)
Central patent business corporation international patent firm (JP)
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