Title:
ELECTROMECHANICAL CONVERTER, MICROPHONE, AND METHOD FOR MANUFACTURING ELECTROMECHANICAL CONVERTER
Document Type and Number:
WIPO Patent Application WO/2011/021341
Kind Code:
A1
Abstract:
A microphone (100) is provided with: a vibrating membrane (2), which has a first surface and a second surface that is on the reverse side of the first surface, and which has a first vibrating region (6) and a second vibrating region (7) that is disposed at the periphery of the first vibrating region (6); a fixed membrane (3) disposed to face the first surface of the vibrating membrane (2); and a netlike frame body (8), which is disposed, as a reinforcing section, in the first vibrating region (6) on the second surface of the vibrating membrane. Vibration of the vibrating membrane (2) is converted into electric signals by means of a capacitor composed of the vibrating membrane (2) and the fixed membrane (3).
Inventors:
TOMITA YOSHIHIRO
Application Number:
PCT/JP2010/004200
Publication Date:
February 24, 2011
Filing Date:
June 24, 2010
Export Citation:
Assignee:
PANASONIC CORP (JP)
TOMITA YOSHIHIRO
TOMITA YOSHIHIRO
International Classes:
H04R19/04; H04R31/00
Foreign References:
| JP2007104641A | 2007-04-19 | |||
| JP2008085507A | 2008-04-10 | |||
| JPS5538739A | 1980-03-18 | |||
| JPS5775099A | 1982-05-11 |
Attorney, Agent or Firm:
NII, Hiromori (JP)
New house extensive 守 (JP)
New house extensive 守 (JP)
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