Title:
音響変換装置及び音響変換装置の組立方法
Document Type and Number:
Japanese Patent JP5447216
Kind Code:
B2
Abstract:
An acoustic conversion device includes: a driving unit including magnets, a yoke, a coil, a vibrating portion, and an armature fixed to the yoke; a diaphragm unit including a holding frame fixed to the driving unit, with one face as a first-joint face jointed to the driving unit, and the other face as a second-joint face, a resin film adhered to the holding frame, a diaphragm held on the holding frame, and a beam portion propagating vibration from the vibrating portion to the diaphragm; and a storage unit including a case body for storing the driving unit and diaphragm unit; with the driving unit and diaphragm unit being stored in the case body, the case body being pressed against and deforming a sealing agent loaded in the second-joint face, from a side facing the second-joint face, thereby sealing each gap between the case body, cover body, and holding frame.
Inventors:
Tsutomu Nagumo
Koji Matsuda
Yukio Tono
Takeshi Hara
Takahiro Suzuki
Takayuki Ishii
Kenji Hiraiwa
Koji Matsuda
Yukio Tono
Takeshi Hara
Takahiro Suzuki
Takayuki Ishii
Kenji Hiraiwa
Application Number:
JP2010137897A
Publication Date:
March 19, 2014
Filing Date:
June 17, 2010
Export Citation:
Assignee:
ソニー株式会社
International Classes:
H04R11/02; H04R31/00
Domestic Patent References:
| JP2002027598A | ||||
| JP48013441B1 | ||||
| JP2004263841A |
Attorney, Agent or Firm:
Masanobu Iwata