Title:
SPEAKER DEVICE
Document Type and Number:
Japanese Patent JP2011097297
Kind Code:
A
Abstract:
To provide a speaker device that causes less deformation even when an external force is applied to a piezoelectric film.
The speaker device 10 includes a film diaphragm 20 formed by a film 21 as a base material and for vibrating the film 21 to generate sound, and a support mechanism 50 for supporting the film diaphragm 20. The support mechanism 50 is provided with a structure 54. The structure 54 faces one side of the film diaphragm 20 at a distance enough to flexibly restore deformation caused by the external force.
Inventors:
SAKAMOTO YOSHIO
Application Number:
JP2009248303A
Publication Date:
May 12, 2011
Filing Date:
October 28, 2009
Export Citation:
Assignee:
J & K CAR ELECTRONICS CORP
International Classes:
H04R17/00; H04R1/02; H04R1/24
Domestic Patent References:
| JPS55141897A | 1980-11-06 | |||
| JPS6446399A | 1989-02-20 | |||
| JPS63181099U | 1988-11-22 | |||
| JPS6142185U | 1986-03-18 |
Attorney, Agent or Firm:
Iat International Patent Business Corporation
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